HomeMy WebLinkAboutRES.1147.02-05-1996 �
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BILL NO. 96-71 RESOLUTION NO. ' � '+ i
A RESOLUTION AUTHORIZING THE CITY MANAGER TO
EXECUTE A MEMORANDUM OF UNDERSTANDING WITH THE
FEDERAL AVIATION ADMINISTRATION ACCEPTING AN
OPERATIONS AND MAINTENANCE MANUAL FOR THE
CONTROL TOWER AT THE CAPE GIRARDEAU REGIONAL
AIRPORT
BE IT RESOLVED BY THE COUNCIL OF THE CITY OF CAPE GIRARDEAU,
MISSOURI, AS FOLLOWS:
ARTICLE 1. The City Manager, for and on behalf of the City of
Cape Girardeau, Missouri, is hereby authorized to execute a
Memorandum of Understanding between the Federal Aviation
Administration and Cape Girardeau, Missouri, accepting an
Operations and Maintenance Manual for the CGI air traffic control
tower at the Cape Girardeau Regional Airport. A copy of said
Memorandum of Understanding is attached to this Resolution and made
a part hereof.
PASSED AND ADOPTED THI S ��i�= DAY OF ' f ���;�r:�,.i:, ; , 19 -'C�' .
,�:,
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. �
A. . Spradi ng, III, Ma o
ATTEST:
� � �^; r' �
Gayle . Conrad
Deputy City Clerk
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MEMOfZANUUM OF UNDERSIANDING
BETWEEN THE
FEDERAL AVIATION ADMINISTRATION
AND
City of Cape Girardeau. MO
In accordance with the requirements of the applicable provisions of the
Federal Aviation Act of 1958 and the attached Operations and Maintenance
Manual (OMM) .
The City of Cape Girardeau herby accepts the attached OMM as approved by
the Federal Aviation Administration (FAA) , for the operation and
maintenance of the CGI Airport Traffic Control Tower (ATCT) at the Cape
Girardeau Regional Airport .
The undersigned agree to operate and maintain the above facility in
accordance with all applicable FAA requirements , standards and criteria
governing such a facility, including those requirements contained in FAA
Advisory Circular 90-93 and the attached OMM.
At any time that the person(s) ident� fied as the maintenance technician(s)
in the OMM no longer performs the functions indicated, the undersigned
shall notify the FAA within 10 working days .
The undersigned agree that noncompliance with the above requirements will
be grounds for the cancellation of FAA approval for the facility.
With regard to any liability which may arise from the use and/or the
operation of this facility. eacf� party expressly agrees that it shall be
solely and exclusively liable for the negligence of its own agents or
employees . in accordance with applicable law. and that neither party looks
to the other to save or hold it harmless for the consequences of any
negligence on the part of one of its own agents or employees .
Signature:
(Owner or Designated Representative) (Date)
Signature: ���/�;
(FAA Representative) (Date)
Attachment: Non-Federal ATCT Operations and Maintenance Manual
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OPERATIONS AND MAINTENANCE MANU/�L
FOR
CGI
AIRPORT TRAFFIC CONTROL TOWER
Cape Girardaau, rSO. Re�ional Airport
This manual is prepared to fulfill the requirements of FAA Advisory
Circular 90-93 and Section 606 of the Federal Aviation Act of 1958.
Minimum facility equipment performance standards and tolerances for
facility maintenance are incorporated herein as Attachment 3 to this
manual .
Operations and Maintenance Manual Approved:
��� ���—
(Federa viation Administration Representative) (Date)
1
l
TABLE OF CONTENTS
Page No.
Part I . Operational Requirements 3
Part II . Maintenance Requirements 8
Part III . Aircraft Accident/Incident Procedure 11
Attachment l . List of or Applicable Sections of Federal 12
Regulations and Advisories covering ATCT
Operation
Attachment 2. P�on-Federal Facility Data 13
Attachment 3. Facility Equipment Performance Standards 18
and Tolerances
Attachment 4. Technical Performance Record Forms 23
Attachment 5. Revision Index 24
2
,
Part I
OPFRATIONAL REQUIREMENlS
The following requirements must be met to operate a facility in the
National Airspace System (NAS) . Failure to comply with these requirements
will result in withdrawal of approval for use of the facility.
Requirements 1 through 8 will be considered mandatory for all public use
non-Federally-owned and operated Airport Traffic Control Towers (ATCT) .
A LICENSING.
l Facilitv. The Federal Communications Commission (FCC) license for
each transmitter is to be conspicuously posted at the facility.
The normal period of the station license is five years . after
which time it must be renewed. FCC Form 406 may be obtained from
the FCC Office. Each application must contain a statement
indicating that the FAA has been notified and the date of
notification. Renewal applications must be made at least 180 days
prior to expiration. Copies of the application and the new
license when received must be provided to the Airway Facilities
(AF) Sector/Regional Office. 1he sponsor must apply for and
receive a license or Special Temporary Authorization (STA) for
each frequency from the FCC prior to station operation.
? Maintenance Technician. The ATCT equipment shall be operated and
maintained only uy persons duly licensed by the FCC and approved
by the FAA respectively.
a . The sponsor shall provide a��d identify to the FAA at least one
FAA approved electronic maintenance technician that will be
assigned overall maintenance and logging responsibility for
the ATCT operating equipment .
(1) The ATCT operating equipment covered by this maintenance
responsibility include the overall communications channel
equipment , meteorological equipment. and other equipments
listed as the minimum equipment required at a ATCT in
AC 90-93. Part I (B4b) of this OMM defines types of
meteorological equipment .
(2) To obtain FAA approval , the technician assigned this
overall maintenance responsibility shall have a FCC
General Radiotelephone License and demonstrate through
one or more practical performance exams , the ability to
install , repair, maintain, and verify satisfactory
performance of the equipment listed in AC 90-93 and
Attachment 2 of this OMM.
3
, `
(3) If the requirements of (2) above are met , a technician
will be issued a FAA Letter of Verification Authority for
the ATCT Communications Systems : Meteorological
Equipment, with each specific type of ineteorological
equipment listed: and other verifiable systems as
identified and listed in Attachment 2.
b. The sponsor may provide and identify to the FAA additional
technicians with FAA ATCT verification authority which the
sponsor may have accomplish maintenance at the ATCT.
c. The sponsor may allow other trained personnel without FAA
verification authority to accomplish limited maintenance and
logging duties .
( 1) Such duties must either be confined to tasks not
affecting verification performance parameters of the
communication systems or meteorological equipment ; or,
be followed by a verification check by a technician with
FAA verification authority before being put back in use.
(2) Examples of permissible tasks for non-verified personnel
include taking meter readings . changing "black boxes" ,
changing recorder tapes , changing indicator bulbs ,
making visual and oral checks of operating equipment,
and maintenance of non-verifiable equipment that do not
affect communications with or movement of aircraft .
E� E=ACILITY/EQUIPMENT VERIFICATION.
1 Facility or equipment verification is the written assurance that
the facility is providing the required or advertised service to
the user. Only personnel holding valid FAA Verification
Authority may make these performance verification accessments and
make a verification statement in the 6030-1 log .
4
7. The Fl�A has identified systems requiring verification in
Attachment 2 "Additional Non-Federal ATCT Reference Data" . The
verification intervals are given in Attachment 3 (C1 . The method
for verification determination is left to the professional
judgement of the verifying technician. Some methods that may be
used are:
a . Direct measurement of verification parameters . Verification
parameters are identified on pages following Attachment 3
(C) .
b. Monitor indications .
c . Analysis of required information on technical performance
record forms (FAA form 6000 series) or similar
manufacturer's data record forms .
d. Visual and aural observations , such as meter readings , pilot
light indications , and absence of unusual noises , heat or
odors .
e. User checks of satisfactory operation: as with a voice
communication check on communicaiion equipment .
3 The documentation received from the National Weather Service
(NWS) or FAA approved Altimeter Calibration Station , may be used
as tf�e �asis for satisiactory performance verification or wind
equipment and/or altimeters .
4 In the ATCT. equipment and services directly affecting the flying
public shall be verified. These include:
a . Communication and communication control between pilots and
Air Traffic personnel during aircraft operations . (Primary
ar�d backup communication systems. )
b. Essential meteorological equipment used to provide
information to aircraft taking off and landing at airports :
such as altimeters , Digital altimeters (DASI ) , wind
speed/direction , RBC, RRH. RUR, ATIS. and LLWAS.
c. Specific facility systems and equipment requiring
periodic verification are listed in Attachment 2 of this OMM.
5 A prescribed verification statement, as listed in Attachment 3 of
this OMM, shall be entered in the facility 6030- 1 log prior to
returning a system or equipment to service following interruption
or repair if a verifiable parameter could have been affected.
Also. the statement shall be entered on a routine basis , not to
exceed the maximum interval , as specified by the Fr'�� in
Attachment 3(C) of this manual .
5
6. Verification shall be performed by personnel with specific
written verification authority and responsibility on the subject
facility/system/equipment. This restriction does not prevent
non-verified technicians from performing and logging ma�ntenance
duties as long as verifiable parameters are not affected.
C NOTICE TO AIRMEN (NOTAM) . A NOTAM contains the establishment.
condition, or change in any aeronautical facility, service, procedure.
or hazard, the timely knowledge of which is essent�al to personnel
concerned with flight operations. Deviation from normal operation or
failure of this facility is to be promptly and accurately publicized
by a NOTAM. The sponsor and the technician responsible for the
required maintenance shall be notified immediately of reports
concerning irregular operation of this facility by pilots or other
persons detecting the irregularity. The sponsor or the authorized
representative shall ensure that a NOTAM has been filed through the
associated Automated Flight Service Statron (AFSS) or Terminal Radar
Approach Control (TRACON) .
The sponsor or the authorized representative shall also ensure
notification of the applicable Air��ay Facility (AF) Office by
telephone during normal office hours . as listed in the section
covering Non-Federal Facility Oata , to report any such failure or
deviation exceeding or expected to exceed 10 days .
0 MONITORING The ATCT, if requested, snall agree to monitor and report
changes in status of any ��A approved pubiic use NAVAIGS used on the
airport.
E SHUTDOWN FOR ROUTINE MAINTENANCE. Maintenance should be performed
only when the following conditions exist:
1 . Interruption should be confined to visual flight rules (VFR)
conditions or periods of light traffic whenever possible.
2. The interruption of service shall be coordinated with the
appropriate ATCT controller on duty. Notification should be made
so that the notice of shutdown or interruption will minimize
adverse affects of the proposed interruption. Facilities shall
not be shutdown or tested without Air Traffic (AT) approval .
3. A NOTAM shall be issued in case the entire facility or a
communication channel is completely out-of-service during normal
operating hours . Advance notification is needed stating the
specific period of time involved.
F PILOT REPORT. The sponsor shall remove the specific facility service
immediately upon receipt of two successive pilot reports (PIRFPS) of
malfunctioning . The facility will ��emain out-of-service until proper�
operation can be confirmed by the fiacility technician and/or flight
inspection aircraft as necessary.
G
(� REQUIRED SUPPORT ITEMS
l . The sponsor or sponsor s contractor shall provide FAA approved
test equ�pment needed r-or maintenance of the facility. Test
equipment used to measure key performance parameters shall be
calibrated at least annually. All test equipment calibration
shall be accomplished w� th standards traceable to the National
Institute of Standards and Technology.
2. The sponsor shall be satisfied that there is a stock of spare
arts suffi c�ent to make possible prompt restoration of facility
services .
H EMERGENCIES.
l . Militarv. In a case of a national defense alert. the facility
shall be shutdown in the shortest possible time after the alert is
received from the next higher air traffic facility and shall
remain off the air unt� ' official notice is received that the
alert is over.
2 Aircraft Accident. Part III of this manual provides guidance in
case of an aircraft accident. Aircraft operations can be
adversely impacted by faulty communication or meteorological
equipment .
I Ad,iustment of Eauipment throuqh Remote Maintenance Monitorinq (RMM) .
Any non-Federal facility having RMM adjustment or evaluation
capability shall have the ability to use this feature after evaluation
of the feature and approval by the FAA.
l . A FAA 6030-1 record will be kept of any RMM use. A copy of this
record shall be sent to the FAA at least quarterly. The original
copy and any computer printouts will be maintained a minimum of 3
years before being discarded.
2. RMM 6030-1 log entries may be made by a second party from
information telephoned from the originating non-Federal
technician. Use the date/time and information supplied by the
originating technician and put that person 's initials in the
entry initials block . The person making the entry should put the
actual date/time and their initials in the right margin adjacent
to the originating technician 's initials .
7
PART II
MAINTENANCE REQUIREMENTS
A Ger�era 1 .
1 . The facilitv shall be maintained in accordance with FAA Order
6700.20A. manufacturer's instruction books , applicable FAA
maintenance technical handbooks , and/or sponsor-provided/FAA-
approved requirements . Minimum FCC and FAA standards and
tolerances will be used as listed in Appendix 1 and 3 of this
manual . If they do not exist , or tighter tolerances are stated by
the manufacturer, then the manufacturer's handbook and/or
sponsor's maintenance procedures will be used. If FAA owns
identical equipment , the "Operating tolerances" found in the
specific FAA maintenance handbook for that equipment shall be
identified and adhered to. The sponsor agrees to provide the FAA
with 90 days advance notice of the intent to withdraw the facility
from service.
NOTE: The maintenance tasks . schedules and requirements contained in
Attachment 3 of this Manual should be considered the minimum levels of
equipment performance and maintenance accomplishment required by the FAA
at the time of issuance of this OMM. Future tightening of specific
operat�ng tolerance by ICAO. FCC or FAA will require adherence to the new
requirements .
? The FAA shall be responsible for providirg appropriate FAA forms
and publications required by this O�J�M for maintenance of the
facility. These forms will be made available by the FAA Office
having inspection responsibility at no charge.
3 If a verified maintenance technician is not assigned or if the
maintenance schedules as set forth in this manual or other FAA
approved non-Federal ATCT maintenance procedures are not adhered
to, the equipment shall be removed from service unless the sponsor
or his/her designated representative has coordinated the exact
circumstances with the FAA.
4 Initial Commissioninq Data (facility performance and adjustment
data forms , called Record of Meter Readings and Adjustments , FAA
Form 6030-17> as modified by the sponsor and approved by the FAA,
shall be completed by the owner or the o��mer's representative at
the time of the facility commissioning . One copy must be kept in
the permanent records of the facility and one copy must be sent to
the appropriate FAA Office. The sponsor or the sponsor's
representative must revise the data after any major repair,
modernization, or changes , to reflect an accurate record of
facility operation and configuration . In the event the data is
revised, the owner or the owner � s representative, must notify the
appropriate FAA Office and for�,,�ard copies of the revisions to
them.
8
5. Facility ��aintenance Loq FAA Form 6030- 1 .
a . 1he 6030-1 loq . called Facility Maintenance L.oq . is a
permanent record of all of the activities r�quired to
maintain the facility. Log entries shall be clear , complete,
concise, and recorded in Universal Time Code (UTC) . The
entries must include all malfunctions encountered in
maintaining the facility, including information on the kind
of work and adjustments made, equipment failures , causes (if
determined) , and corrective action taken. In addition , the
entries must include statements describing periodic
maintenance activities required to maintain the facility.
facility verification statements . and NOTAM information.
The original white oages of the maintenance logs shall be
retained at the facility for a period of 3 years . They will
be reviewed by the FAA during the annual inspection. A copy
of the log pages shall be sent to the appropriate AF office
for review after the end of the month in which it was
prepared.
b. Amonq the most im�ortant entries in the facilitv maintenance
lo�c are those indicating the verification status of a system,
subsystem, or equipment. For the purpose of 'this OMf�, the
word "certificatior�" used in FAA directives sha� l be
synonymous with "verification" . Verification sta�ements
shall be entered in the facility n�aintenance log (FAA Form
6030-1) in accordance with appropriate FAA directives and
orders . A verification statement shall be made before
returning a verifiable system, subsystem, or equipment to
service after the system has been out of service due to
hardware or software failure and �,�henever work has been
performed that may have affected verification parameters .
6. Technical Performance Record. FAA Form 6000 Series (called
Technical Performance Parameters Record) contains a record of
system parameters recorded during each scheduled visit to the
facility. The sponsor or the sponsor's representative shall keep
the original page of the technical performance record at the
facility and send a copy to the appropriate FAA Office for review
annually. Copies of Technical Performance Records (TPRs) may be
provided to the FAA inspector during the periodic inspection in
lieu of mailing copies in. 6000 series forms will be provided to
the sponsor.
7 Chanqes to the requirements of this manual , improvements . or
equipment modifications shall be funded and incorporated by the
sponsor. �n addendum to the 0�°1M, approved by the F��,A. shall be
completed i f necessar}�.
9
8. The sponsor shall advise the FAA about any proposed mod� fications
to the facility and shall not permit any modifications to be
performed that change any equipment � s FCC type acceptance or FAA
verification requirements without specific FAA approval .
9. The tYpe of equi�ment which requires verification will not be
replaced or relocated after commissioning w�thout prior FAA
coordination. No construction is to be planned in the vicinity
that may alter or affect the facility operation without first
coordinating with the FAA. Status monitor receivers shall not be
removed or relocated without FAA approval .
B PHYSICAL SECURITY The facility equipment shall be located in a
secure area accessible to only authorized personnel . The equipment
shall be secured within this area and kept locked at all times .
Protection shall be provided to ensure that unauthorized personnel do
not have access to the equipment . Appropriate warning signs
identifying the facility as a critical a� r traffic control facility
shall be posted as needed.
C . FLIGHT INSPECTIONS. Flight inspections will be performed as
stipulated in FAA Handbook OA P 8200. 1 . United States Standard Fli9ht
Inspection Manual . The sponsor shall provide ground-to-air
communications on the assigned frequency for flight inspection when
r�equired. The currently assigned frequencies are 135.85 and 135.95
MHz . The maintenance technician shall participate in this inspection
if required by the F,AA. Those activities requiring flight inspection
are outlined in the FP�A maintenance technical handbooks and orders .
There is no present routine flight inspection requirement for an ATCT.
D GROUND INSPECTIONS.
1 FAA qround inspections will be performed in accordance with the
sponsor/FAA-approved inspection procedure and accomplished on a
periodic basis not to exceed twelve month intervals . The FAA
reserves the right to schedule additional inspections as required.
Prior notification of a ground inspection will be given to the
facility sponsor, or to the sponsor's technician if requested.
Failure to meet the technical standards of the equipment ��fill
require corrective action. The sponsor' s technician with FAf1 ATCT
verification authority will be required to accomplish the annual
FAA inspection with the FAA inspector observing and assisting the
technician only if specifically asked.
2. The FAA mav conduct a follow-uo inspection when a facility may have
been a factor in an aircraft accident/incident (see Part III )
F . SAFETY. Occupational Safety and Health Administration requirements
should be followed to ensure personnel safety. If applicable .
vegetation shall be controlled to allow access to the facility .
10
PART- I I I
AIRCRAFT ACCIDENT PROCEDURES
A Aircraft Accident Procedures are given in FAA Order 8020. 11 . Use
8020. 11 as your guide.
B In case of an aircraft accident that may have involved some services
provided by the ATCT, several things should be considered:
l Consider what communication or meteorological equipment may have
had an impact on the aircraft 's operation.
2 Without touching any equipment make an operational check of those
systems . from the operator's console, and make a record of the
results of these checks .
3 Consider if additional checks are needed and if yes . have two
technicians , or one technician and another observer, check all key
performance parameters of the systems that may have been involved
and record the results .
The FAA strongly recommends these checks if fatalities have
occurred, commercial airlines are involved, large numbers of
injuries have occurred. UIP's were involved, or if IFR approaches
were being flown.
4 Sponsors should notify the FAA of aircraft accidents as soon as
possible and feel fre� Lo call the FAA to ask questions or for
assistance at any time.
To contact the FAA about an aircraft accident, at any time, call
the Central Regions ' Regional Operations Center and give them your
message. Phone number (816) 426-4600.
For general questions call the Non-Federal Facility Program Manager
or Technical Inspection Supervisor during normal working hours .
Monday through Friday, at (816) 474-6214.
11
ATTACHMENT 1
l_ist of and/or Applicable Sections of Federal Regulations and Advisories
covering ATCT Operation
AC90-67A: Light Gun Signals From the Control Tower for Ground Vehicles
AC90-93: Operating Procedures for Non-Federal ATCTs
This AC contains an extensive list of applicable FAA Orders
and other guidelines .
AC91- 14D: Altimeter Setting Sources
FAA Order 6560. 13B. Chap 3: Meteorological systems Standards & Tolerances .
F=AA Order 8000.69: Automated Weather Observing Systems (AWGS)
Applicability
NOAA WS Form B-12: Cooperative Agreement for Aviation l�!eather
Observations
NOAA WS Form B-33: Station Inspection Report
Federal .4viation P.ct of 1958: Sections 101 . 303n, 304, 307 , 308, & 606.
Gives Authority to inspect non-Federal
ATCTs .
FCC Regulations applicable to ATCTs : 47 CFR Part 87
12
:'�C 90-67A ,`
I):�TF June 25 , 1981
ADVI � ORY CIR. CUI�AR
�or ie��.r.
�� DEP.aRT�[E\T OF Tlt:�\SPORT,�T[0\
- s Federaf A�iation Administration
C
T Nashington, D.C.
'����11f��'
Subject: LIGHT GUt�' SIGI�ALS FROP1 THE CONTROL TO!dER FOR GROUivD VEHICLES,
EQUIPt1ENT, AItD PERSOP7A'EL
1. PURPOSE. This circular provides the aviation connunity with the
meaning of the light gun signals used in cor�nunicating to ground vehicles ,
equipe�ent, and personnel on the airport movement area from the control
tower.
2. EFFECTIVE DATE. This advisory circular is etfective upon receipt.
' 3. RELATED DOCU?�fEVTS. i110. 5�, :�ir Tratfic Control Handbook; Airman's
Information Manual; F�r2 91. 77 , ATC Light Signals; 7210. 3, Facility Operation
and Administration Handbook; and FAR 139. 59, Ground Vehicles.
4. BACKGROUND. This Advisory Circular informs the aviation comr:unity
that air traffic control towers use light gun signals to control ground
vehicles, personnel , and equip�;ent operators that are not radio equipped.
These signals are basically the same �s those used to control aircraft
on the ground.
5. APPLICABILITY. A11 personnel operating on airport movement areas must
understand the meanings of light gun signals used by air traffic control
towers. Airport managers/operators should establish safe operating
practices for movement areas to include specific instructions on when
and where to look for light sun signals fro� the tower. It is strongly
recommended that a11 ground equipment and vehicles be placarded with a
description of the signals and meanings. Additionally, personnel and
ground equipment/vehicle operators must use extreme caution and vigilance
so that light signals , intended for aircraft, are not nistakenly perceived
to be for personnel/ground equipment/vehicles. It is imperative that
personnel always look in a11 directions before proceeding onto runways
and movement areas used by aircraft. Signals and meanings are explained `
in [he following table .
Initiated by: ��'�T-320
�� .
� , '
U.S. Uepartment �
of Transportation ,[�d v g s O 1
Federal Avlatlon �
Adm(nistratlon •
ircu �.�-
Subject: OPERATING PROCEDURES FOR Date:7/19/93 AC No. 90-93
AIRPORT TRAFFIC CONTROL Initiated by: ATP-230
TO W ERS (ATCT) THAT ARE :�OT
OPERATED BY, OR UNDER
CONTRACT WITH, THE U\'ITED
STATES (NO'�`–FEDER.AL).
1. PUR.POSE. operations, training, equipment, and mana�ement
This advisory circular (AC) recommends government of an ATCT.
publications and procedures for the operation by, e. AIR TRAFFIC DIVISION MANAGER – A
equipment installation at, and maintenance of, record person who has the overall responsibility for th�
keeping by, accident/incident reporting by, tower safe, orderly and expeditious flow of air traffic
specialist training for, and mana�ement of a within the FAA geographic region or an}� person
non–Federal ATCT(NFCT). to whom that responsibility has been dele�ated.
f. AIR��VAY FACILITIES DIVISION �i.a�-
2. CAhCELLATION. AGER – A person who has the overall responsibilin�
AC 90-81, Procedures for Obtaining for the implementation of the region's ainvay facilities
Publications—Civil Non–FAA Operated Control expansion and modernization program and mainte-
Towers, dated I�'ove;nber 9, 1983, is cancelled nance of the National A;rspace System (�`AS)
3. REFERENCES. facilities within the FAA geographic region or
any person to whom that responsibilit}' has been
The following references contain information delegated.
applicable to non–Federal ATCT operations. g, NFCT VENDOR – �e commercial ooerator
a. Federal Aviation Regulations (FAR), Parts 6�, from whom ATC services are contracted.
91, 121, and 171.
b. Airman's Information Manual (:�IM). � S. BACKGROUh'D AiVD SCOPE.
4. DEFINITIONS. a. In the interest of promoting aviation safety,
the FA.A through its Advisory Circulars and other
, a. ADMINISTRATOR – The Federal Aviation publications disseminates good operating practices,
Administrator or any person to �vhom the Adminis- policy, guidelines, and procedures to assist in the
trator has delegated authority in the matter concerned. management of services provided to users of the
b. NON–FEDERAL ATCT (NFCT) – An ATCI' NAS. An example of one of these policy publications
tower operated by an entity other than the United are the Federal Aviation Regulations (FAR) that
States Government, ezcluding Federal Aviation specify minimum standards for proficienc}�, conduct,
Administration (FAA) contract towers, providing experience, skills, and ratings.
air traffic control (ATC) services to aircraft operating b. Specifically, Part 6� of the FAR details require-
to, from, on, or in the vicinity of an airport ments for issuing certificates and associated rating
where the tower is located. and general operating rules for Airmen other than
c. AIR TRAFFIC MANAGER (ATM) – A per- Flight crewmembers. Additionally, the FAA has
son who is responsible for the day–to–day operation internal directives detailing the methodology used
of an ATC facility. by Federal facilities (FAA–contract ATCTs and
d. DIRECTIVE – Any order, notice, change or Department of Defense (DoD facilities) to establish
supplement used by the FAA or ATM to specify and manage ATCT's, certify F�� employees as
policies, guidance, or procedures dealing ���ith ATC control to«�er operators, maintain controller p;o-
, � 6/25/81 AC 90-67A
Air 7 n ffic Control 7over Ligh[ Gun Signalc
Hcinin�
Color and [ype .yovmenc of vehiclec
of �iqnal cQuipoent 6 perconncl Aircr�(t on che ground Airtrift in fligh[
SCeady green Cle�red to crotc, Cle�rcd Eor u keof! Cle�red [o l�nd
proceed or go -
Flaching green Not �pplic�ble Cleared fo[ uxi Return foz l�nding
(co be tolloved by
aceady gceen •c che
proper cime)
Sceady red STOP STOP Give vay co ocher
aircr�fc �nd concinue
circling
F L c�ing red Cle■r che caxivay/ Iaxi clear of the Airporc un:afe, do
��.��ry runvey in use not l�nd
Fl��hing �hite Re[urn co c urtinB Return to c u rcing
point on �irpor[ point on �irport Noc �ppliu ble
AlCernating
red �nd green E:ercise excreme u u[ion
•� ( �,�r
R. J. VAN VUREN '
Director, Air Traffic Service
Par 5 Page 2
AC �0-93 7/19/93
ficiency, and determine the qualiry of services 7. EMERGE�'CY OPERATIONS .�ND
�vided. HAZARDOUS COh'DITIO\S.
c. However, there are facilities that do not fall a. To ensure that emergency operations (for exam-
under the realm of the Federal Government. These ple accidents/incidents) data are documented, it
private entities have contracts with state and local is essential for non—Federal ATI�4s to record and
governments to provide r'�TC services. These ATCT's report all accidents/incidents in the same manner
are called non—Federal ATCT's. No Federal statutes as would F�-operated ATCT's (in accordance
or regulations prescribe uniform or consistent proce- With FAA Order 8020.11). The purpose of such
dures and criteria for the establishment and manage- reports and records is to provide essential information
ment of these ATCT's and the provision of ATC for follow—on investigations and help in the develop-
services, nor is there any requirement for FA� ment of new procedures and regulations.
oversight. The procedures recommended herein are b. The ATI�� or a designated representative upon
designed for these NFCT owners, NFCT vendors, becoming aware of conditions that are hazardous
and NFCT ATM's. to a safe operation, should resttict or suspend
d. The FAA believes that voluntary observanc� operations as necessary until the necessary corrections
` are made.
of the recommended procedures detailed in �th;s
AC will improve the services and aid those NFCT g ppERATIONAL AND PROCEDURAL
owners, vendors, operators, and facility managers STANDARDS.
in maintainin� the high level of safety enjoyed a. Using the F.� handbooks, manuals, and direc-
by Federally operated ATC facilities in the NAS. tives listed in thi� AC as a guide, the NFCT
6. GENER4L RESPONSIBILITIES OF THE vendor/AT?�4 should develop a series of directives
NFCT ATi11. on operations and procedures for the subject tower.
The procedures should specify the following:
The FAA recommends that the NFCT ATM endea��er (1) Standard operational position procedures,
to fulfill the follo�ving responsibilities: position binders, and position relief briefings.
�. Maintain familiarity with the positions, equip- �2) procedures for training and supervising zir
nt, and- duties required to operate an ATCT. fraffic controllers.
b. Ensure operational continuity durino the transfer (3) Procedures for handling accidents/incidents.
of position responsibility. (4) procedures for records management.
c. Issue pertinent airmen's/�veather information ��) procedures for providing responses to facility
(i.e. SIGMETS, I�'OTAMS, etc.). evaluations conducted by the Office of Air Traffic
d. Maintain training records for each ATC special- System Effectiveness.
ist in the facility. �6) Procedures for the installation, maintenance,
e. Ensure that ATC services are provided in and repair of electronic and weather equipment.
a safe, orderly and efficient manner. b. The NFCT vendor/ATM should forward an
f. Ensure that each ATC specialist in the NFCT information copy of the directives and procedures
manager's employ is properly qualified and current listed under this section, and any amendments,
in the application of ATC services. to the regional Air Traffic Division Manager.
g. Maintain an aggressive pilot education program c. The NFCT vendor/ATM should ensure that
that includes pilot/controller forums to discuss/clarify each employee complies with the operational stand-
]ocal procedures and airspace matters. ards and procedures, as „�ell as any applicable
h. Ensure that voice recorders and other essential FAR, and provide all specialists with current oper-
equipment are checked for suitable operation a� ational standards.
the beginning of each shift. d. Each I�FCT vendor/ATM, before establishing
or changing the location of any business office,
i. Ensure that, excludin� tapes containing informa- except a temporary change, should notify the regional
tion pertaining to accidents/incidents, voice recorder Air Traffic Division Manager of the change in
tapes are retained for a minimum of 15 days. �,jitin
Tapes pertinent to accidents and incidents should �
retained as detailed in FAA Order 8020.11. e. Each NFCT vendor/ATM should notify the
regional Air Traffic Division Manager at least _
Z P<trz s
7/19/93 A C 90-93
24 hours before termination of any advertised ATC N/CG33, National Ocean Service, Riverdale, Mary_
service. land 20737-1199.
f. The NFCT vendor/ATM should: (1) FAA Order 1320.1, FAA Directives System.
(1) Ensure that each supervisor is qualified (2) FAA Order 13�0.15, Records Organization,
and current and holds a Control Tower Operator Transfer, and Destruction Standards.
(CTO) certificate issued under Part 6� of the (3) FAA Order 3120.4, Air Traffic Contro]
FAR. Training.
(2) Ensure that each employee directly involved (4) FAA Order 6700.20, Non—Federal Naviga-
in ATCT equipment maintenance has a minimum tional Aids and Air Traffic Control Facilities
of a Federal Communications Commission certificate (5) FAA Order 7010.1, Air Traffic Evaluations.
and can show to the Air�vay Facilities Division
Manager the ability to install successfully, and (6) FAA Order 7110.6�, Air Traffic Control
perform repair work or maintain, and verify operation Handbook.
of such equipment. (7) FAA Order 7210.3, Facility Operation and
(3) Develop and manage a '`substance abuse"
Administration.
, program that meets the requirements of Parts 6� �8) FAA Order 7210.42, Air Traffic Control
and 121 of the FAR. ' Personnel Sign On/Off Process.
g. The NFCT Vendor/ATM should maintain the �9) FAA Order 7220.1, Certification and Ratine
following information on all facility personnel holding Procedures.
a CTO certificate: (10) FAA Order 7340.1, Contractions.
(1) Each person's full name and the date of (11) FAA Order 7350.6, Location Identifiers.
issuance of a CTO certificate for the facility and (12) F� Order 7610.4, Special Military Oper-
the certificate number. ations.
(2) The amount and currency of experience (13) I�AA Order 7930.2, I�'otices to Airmer,
in sufficient detail to determine the individual's (NOTAM) Handbook.
qualifications. (14) FAA Order 8020.11, Aircraft Accider.�
� (3) The individual's current ducies and the date and Incident Notification, Investigation, and Rcper�
of the assignment to those ducies. ing.
(4) The effective date and class of inedical (1�) FAA Order 8260.3, U.S. Standard fo;
certificate that the individual holds. Terminal Procedures.
(�) The date of certification and required recur- (16) Airman's Information Manual.
rent proficiency checks. (17) Airport/Facilit}� Directory.
(6) Any action taken regarding any specialist's (18) Terminal Procedures Publications.
release or temporary suspension from employmen� (19) IFR Enroute Lo�v/High Altitude charis
for physical or professional disqualification. (20) Code of Federal Regulations, Title 1�
(7) The date of the completion of any training Federal Aviation Regulations Parts 1, 6�, 67, 71
associated with performing CTO duties. 73, 91, 93, 99, 101, 103, 10�, 171, 189; anc
Appendix I, Part 121.
9. FACILITY DIRECTIVES, REPORTS, AND (21) Sectional charts covering at least the are�
FORAIS. within a 50 mile radius of the ATCT.
a. Each ATM should make available to each �22� National Air Traffic Training Proerar
employee the most current edition of the follo�ving Terminal Refresher, VFR To�ver, TR-1 thru TR-14
directives or publications. (Information on ho�v to �23) Terminal Instructional Program Guide
get these recommended FAA documents is available (IPG), TP 12--0-1.
by writing for free copies of the "Guide to Federal
Aviation .Administration Publications." �24) Terminal Self Stud}', Phase VI, SSOZ6
FAA—APA—PG-13 ma}' be ordered from: U.S. Flight Data all units.
Department of Transportation, 1�2-443.2, Washington, (2�) Terminal Self Stud}�, Phase VII, »027
D.C. 20�90.) For Aeronautical Charts and Related Clearance Delivery all uni�s.
Publications Price List, �vrite to the National Oceanic (26) Terminal Self Stud}�, Phase VIII, >j02S
and Atmospheric Administration Distribution Branch, Ground Control all units.
PAF2 8 _
f�`- 7"—" 7/19/93 �
� (27) Terminal Self Study, Phase IX, 5�029, (6) A voice recorder system that, during the
L,ocal Controf all units. period the ATCI' is in operation, continually records
(28) FAA Form 7210-2, Preliminary Operational the synchronized time with the recording of each
ror/Deviation Report. radio frequency and interphone line used for receiving/
(29) FAA Form 7210-3, Final Operational Error/ transmitting ATC clearances, or instructions.
Deviation Report. (7) A minimum of one signal light gun, with
(30) FAA Form 7230-4, Daily Record of Facility a reliable back—up po�ver source.
Ops/Personnel Log. (8) Accurate facility drawings of the wiring
(31) FAA Form 7234-7.2, Flight Strips—FDEP, and layout of the equipment.
or FAA Form 7230-8, Flight Strips single cut (9) Two sets of 7 x 50 power binoculars.
(if manually prepared). (10) An airfield lighting control panel, if
(32) FAA Form 7230--10, Position L,og. applicable.
(33) FAA Formi 8020-9, Aircraft Accident/ (11) A telephone/interphone system to commu-
Incident Preliminary I�otice. nicate with the parent Approach Control Facility/
(34) FAA Form 8020-11, Incident Report. Air Route Traffic Control Center.
(35) FAA Form 8020-17, Preliminary Pilot b. Each I�'FCT vendor/ATM should advise, in
Deviation. writing, the regional Ainvay Facilities Division
(36) FAA Form 8020-19, Reclassification of Manager/Air Traffic Division Manager of alterations
Aviation Incident Report. to any equipment recommended in this AC.
(37) FAA Form 8020-21, Preliminary Near c. Each I�'FCT vendor/ATM should ensure that
Midair Collision Report. radio frequencies supporting aviation services are
(38) Appropriate National Weather Service applied for and managed according to the Code
publications. of Federal Regulations, Title 47—Telecommunications,
(39) An operations manual and log for each pan 87.
piece of equipment required in the ATCT.
(40) Copies of all current Letters of Agreements. I1. MONITORING OF FACILITY
FACIi'ITY EQUIPMENT. APPLICATION OF RECOMEI\TDED -
a. Each NFCT vendor should equip the ATCT
PROCEDURES.
with the following as a minimum: The NFCT's application of the recommended proce-
(1) Operable two—way radio equipment w-ith dures contained in this Circular will be periodically
a backup power source, consisting of a minimum reviewed by the Office of Air Traffic System
of one transmitter and receiver for each frequency Effectiveness according to procedures outlined in
published. FA.A Order 7010.1, to assist in voluntary compliance
(2) One operable backup two—way multi—channel �'�'ith the recommendations in the interest of promoting
transmitter and receiver with a reliable backup aviation safety.
power source.
(3) Wind indicator system certified by either ����`uYx � ��'2�
the FAA or the National Weather Service (NWS).
(4) At least two aneroid altimeter setting indica- Harold W. Becker
tors (ASI) or one ASI and a mercurial barometer.
Note.—A digital ASI (DASI) syseem is considcrcd as onc aneroid
Acting Director, Air Traffic
Asc inscNm�n�. Rules and Procedures Service
(S) Visibility charts, prepared and maintained
by the ATM, in conjunction with the NWS, where
an ATCT takes weather observations.
�
� P�t s
•U.S. G.P.0. :1993-343-273:80105
�C 91-14D �
D.ITE 4/9/79 �
`
ADVI � O R �T CIRCUL� AR
.o�. .�.
_ ,
- DEP.�ItT�[E��T OF TIZ.a�SPORTAT[0\
' ` Federal .��iation .administration
�'- Washington, D.C.
,,�'f
�ta:
Subject: �,L,TIMETER SETTING SOU�CES
l . PURPOSE. This advisory circular provides the aviation public and
industry with guidelines for settin� �ip reliable altimeter setting sources.
2. CANCELLATION. Advisory Circular (�C) 91-14C, dated 6/14/78 is canceled.
3. GUIDELINES. An altimeter setting source should either:
_�
a. Consist of the Standard �ltimeter Setting Indicator (ASI) ; or
b. �1eet the minimun technical reauirer�ents specified in para�raphs ( 1 )
� and (2) below and be operated in accordance kith para�raph (3;.
( 1) Instrumentation. Tvo aircraft-type sensitive altimeters should
meet the specifications of Technical Standard Order C10b or meet the
standards of Federal �viation Regulation (FAR) Part 43, Appendix E. One
aircraft-type sensitive altic�e�er meeting these specifications may be
utilize�i at locations where a Part 121 or 135 operator has established a
procedure for periodic cross-check!n� af the altir�eter as specified in
paragraph 3b(2)(iii) . The height (of the instrume nts) above mean sea level ,
surveyed accurately within one foot, is marked on the instrume nts or posted
immediately adjacent to them. �utside venting or the altimeter or
altimeters is necessary only when the roon in which the instruments are
located is shown to be subject to a pressure differential compared to
ambient atmospheric pressure.
(2) Calibration. The instruments should be calibrated and
recertified to the specifications of Part 43, Appendix E, by an
appropriately certificated, FAA-approved instrument repair station:
(i) Within 30 days prior to initial installation or reten[ion
as a spare � and every 24 months thereafter. �
(ii) At stations utilizing two altimeters, anytime a
� difference of oore than .�5 of an inch of r�ercury exists between the two
Initiated by: p,�s-83o
. AC 91-14D 4/9/79
instruments with indicator hands set to the instrument elevation.
Immediately after calibration, the difference between the two
instruments should not exceed .02 of an inch of inercury.
(iii) At stations utilizing one altimeter, any time a
dirference of �ore than .04 of an inch of inercury exists on two successive
cross-checks between the station reference altimeter and the mean of the
readin�s obcaine� from the two altimeters installed in an aircraft
maintained under the provisions of Part 121 or the continuous airworthiness
maintenance provisions of FAR Part 135.
(iv) The instruments should be calibrated to achieve maximum
accuracy in the altitude range at which they Ui11 be used. (Instruments so
calibrated should be marked "not for use in aircraft. ") A11 readin�s should
be adjusted as required by the altimeter correction card furnished by the
calibration station. The instrument should be kept in a te�perature-
controlled environment similar' to the temperature at which the instru�ent
was calibrated.
(3) Procedures. The operator should establish procedures to ensure
thac responsible persons are competent to obtain accurate aitineter
settings.
(i) At stations e�ploying two altimeters , a tested method is as
follous :
(A) Set both instruments to the oosted height, tap or �
vibrate each to remove friction effects , then reset if necessary.
(B) Adjust the readings as required by the altimeter
correction card.
(C) The altimeter setting, in inches of inercury, appears
in the small window. The difference between instrument readings may not
exceed .OS of an inch. The lower of the two readings is the official
altineter setting. '
(D) The difference between instrument rea�ings should be
logged in a permanent record at least once a day.
(ii) At stations using one altimeter, a tested method is as
f ol lows :
(A) Set the instrument to posted height, tap or vibrate to
remove friction effects� then reset if necessary.
(B) Adjust the reading as required by the altimeter
correction card, and record the reading. A
2 Far 3
4/y//y
aC 91-i�D �
I �
(C) Froc� a Part 121 or 135 aircraft parked on a designated
rae�p area or known eleva�ion, secure altimeCer readings from both captain's
and first o[ficer' s altimeters which should he adjusted to indicate the
actual elevation or the ra�p plus the height of the ins�ruc�ents above the
ramp before the altimeters are rea�i.
(D) Determine the mean of the two aircraft altimeter
readings and compare the mean with the reading fcom the station altimeter.
It the ciiEference between the mean and the station altimeter exceeds .(l4 of
an inch, the altlmeter setting should be reported as "missing, " and if the
difference exceeds .04 of an inch on two successive cross-checks, [he
altimeter should be recalibrated before further use.
(E) The cross-check should be done daily, it an
aircraft is available , buc not less than three times a week. 'I�he
dirference between che reference instrume nt and the mean oE the aircraft
altime�er readings should be logged in a pernanent record.
(4) System ��provals . Altimeter setting sources instalLed in
accordance with this AC and intended for use with approved instrument
approach procedures aill require initial approval and periodic inspection by
the F�1. Initial approval and annual inspections should be accomplished by
che appropriate FA.� district orrice (General �viation District O�fice , �ir
Carrier District Orfice or Flight Standards District Office).
(�) Future Syste�„s . The FAA and private industry are developing
autoc�atic alti�ecer se�ting reporting systems that may include wind and
� otner weather eler�e nts. �utoc,atic weather reporting systems wi11 be
required to �et r�=, and National weather Service accuracy and reliabilitv
standards before they can be used to support instruc�ent flight rule
operations.
i
��. , (/J��l�l�%'� ,
� . �
��
J. A. FERRARESE
.4cting Director
� Flight Standards Service
?ar 3 �
\
12/1/93
6560.13B CHG 3
CHAPTER 3. STANDARDS AND TOLERANCES
100. GE�\'ERAL. (6) H}�grothermometer, T� 6�60.1 (H060).
a. �Il�is chapter prescribes the standards and tolerances (7) Temperature, Ambient and Dew Point S��stem,
for aviation meteorolo�ical s��stems and miscellaneous aids, FA-9638, Seriaf Numbers 1-95, T( 6970.4A.
as defined and described in the latest edition o[ Order
6000.f S. All key perfomiance parameters and/or 4:e�- ($) Remote Readout Hygrothermometer (R.RH)
inspection elements are identified by an arro�v (—�) placed System, FA-981], TI 6970.6.
to the left of the applicabie item. For user con�enience,
standards and tolerances for the LL\ll�S ha��e been plzced (9) Instruction Manual,Hyorothermometer(H083),
in appendix 2. �'ol I, Suppon Volume, �'ol II, Troubleshootin�iRepair
Uolume, U.S. Department of Commerce, National
b. lJnless othenvise indicated, references sucl� zs 10� are pceanic and Atmospheric Administration, N�'rS.
to para�raphs ���ithin tl�is fiandboo�:. Referenc:s such as
instruction book (IB) are �o the appropriate equipment (�0) Ceilometer Detector (Rotatin� Beam 1'ype),
instruction book. FA-5703.
c. Foflowing is a list of related meteorological equip- (�1) Ceilometer Projector (Rotating Bear� T��pe)
ment instruction books. (�l'eather Facilities), FA-�704.
(I) Altimeter Setting Indicator. (12) Cloud Height Indicator Transceiver Unit, FA-
(2) Di�ital Altimeter Settin� [ndicz:or (DASI)
9605/l.
[nscruccion Book, FA-10035, T[ 6�60.10.
(13) Cloud Hei�ht Indicator Maintenance Unit, FA-
�
— (3) DASI Ground Equipmer�t hfanual, TI 6�60.2. 9G0 /_.
(4) Digital Altimeter Setting Indicztor (DASI) (14) Instruction Mznuzl for Wind Equipment,
fnstruction Book, TI 6560.6. F420 Series, U.S. Department of Commerce, \�'eather
Bureau.
(�) Digital Altimeter Settin� Indicator (DASI FA-
9999), T[ 6560.8. (IS) AWOS Maintenance Manual, Models 233 and
� 223, Qualimetrics Document 223-027.
' (j-I) Di�ital Altimeter Settin� Indicztor (DASI),
FA-10454, TI 6560.62 • 101.-1Od. RESERVED.
� Section 1. ATMOSPHERIGCOI\TDITION SENSII�'G DEVICES
Reje�znce
Parame�er Paragrap/i S�a��dard Inirial Operaiing
105. 1VI;�'D INDICATORS.
--i a. \Vindspeed System 0�'erall Accuracy . . . . 251, 255; III
(I) At 2 to 100 knou . . . . . . . . . . . . . . . . . ±l.S knots or Samc as Samc zs
±5°0, which s�andard standard
c�•cr is largcr �
(2) initial indicatio� . . . . . . . . Armature shall Samc as Samc as
start to turn ac standard standzrd
icss than 2 knots
Chap 3
Par 100 Page 15
6560.13B 11/19/91 '
Section 1. AT1�70SPHERIGCO\DITIOI�'SE1'SI�\'G DEVICES - (Continued)
Rejerer,ce Tolerance/Limit
Parameler I Pcragraph Standord (ni�ial O ererin
- -- _ � � �
--� b. 1�'ind Direction System O�erall . . . . . . . . ��' �53, ?S4 ±5° (azimuth) Samc as S2mc as
Accuracy. standard standard
(06, 1V[ND RETR,1f�Sn1ITTERS . . . . . . . . . . . . . ?:6; 13
� a. 1Vindspeed (cal-test) . . . . . . . . . . . . . . . . . Tcst rcading Same as Same as
following standard standard
calibration (42.1
to 52.0 knou)
-� b. 1�'ind Direction Accuracy . . . . . . . . . . . . ., ±5° Samc as Samc as
Istandard standard
l07. HYGROT'HER;�10;�tETERS . . . . . . . . . . . . ��"r; IQ
� a. Dry-Bufb Temperature, O�erall S�stem . . ±I.O °F S2me as Same as
Accurac�•. (All Systcros). standard standard
� b. De��point Temperature, S}'stem .4ccurac��.
(Checked at ambient temperature.)
(1) HO Scrics & RRH Scrics . . . . . . . . . . . ±l °F Samc as Samc as
(32 to l-�0 °F). standard standard
' (2) R.RH (Dicital Series, _10 to 3( °F) . . . . � ±2.� °F Same zs Szme as
standard stzndard
(3) RRH(Digital Series, _11 `F . . . . . . . . . I ±3.5 °F Samc as Same as
and belo«). standard standard
c. Display Indicators. I
(1) LED scemcnts . . . . . . . . . . . . . . . . . . . ^ _18S or 888 Same as Samc as
standard standard
(2) Dimmer controls . . . . . . . . : . . . . . . . . Display unit Same as Same as
intcnsit}� �•arics standard standard
(3) Systcm tcst (TSL) . . . . . . . . . . . . . . . . ±l °F; scc Same as Same as
instruction book standard standard
108. ALT[�tETER SETTINC . . . . . . . . . . . . . . . . 3:5: I[3
fNDICATORS.
—' a. nfain Di�l Scalc Errors . . . . . . . . . . . . . . . 50.02 inch of Samc as Same as
mcrcury (inHg) standard standard "
(63 Pa)' at 25 °C
� Pressurc czn bc com•cncd frorn inchcs lo Pascals by multiplying b} >;55 3
Page 16 Chap 3
Par 105
12/1193 6560.13B CHG 3"
Section 1. AT1�'IOSYIIERIGCOi�DITION SENSII�'G DEVICES - (Coatinued)
Reje�e�:ce Tolernnce/Lirr.ir
Pcran�eler Pcregrcph Srar,dard /nirial I Operoiing
—' b. �tain Dial (ndic�tion Change Due . . . . . . 50.01 inHg Same as Samc zs
to Tapping. (34 Pa) standard standard
-� c. I�tain Dial Variation Due to Change . . . . . 50.01 inHg Samc as Samc as
in Position.
(34 Pa) standard standard
� d. Ele�•ation Dial Differences . . . . . . 5200 fcet Same as Samc as
(61 metcrs) standard standard
109. DIGI�-�L ALTI�fETER SETTt�'G . . . . . . . . 2�9; IB
I\DIC�,TORS (D,�SI).
� a. Digital Rcadout �lccurac�•. (Alio��able
error.) '
(1) Precision appro2ch locations . . . . . . . . . _<0.03 inHg Same as Same as
(68 Pa) standard standard
(2) \'onp:ecision approach locztions . . . . . . 50.05 Same as S:m� as
inHg(170 Pa) standard stzndzrd
` _ b. Calibration Setting or OCfset . . . . . . . . : . As determined Same as Samc as '
by most recent st2ndard standzrd
calibration data
e. Ele�•ation Setting . . . . . . . . . . . . . . . . . . . As established Same as Szmc as
during initial standard standard
installation
I10. �tERCURI,�L B,�RO�tETERS . . . . . . . . . . 260''IB
-� a. Accuracy of E3�romcters ��ith . . . . . . . . . . SOAI inHg Same as Samc as
0.25-Inch Qore. (34 Pa) standard standard
--� b. Accuracy of Barometcrs ��ith . . . . . . . . . . <_0.02 inHg Same as Samc as
0.5-Inch Bore. �68 Pa� Standard standzrd
Ill. ROTAT[�C E3EA�1 CEILOnIE�i'ERS . . . . . . 261; [B See IB NA NA
(12. CEILiNG L[GHT PROJECTORS . . . . . . . . 262; III Sce fB NA NA
113. CEIL[\G i�fEASURE�fENT EQUfP,�tE\T . 263; IB Scc IB t�'A NA
1(4.-139. RESERVEU.
Chap 3
Par 108 Page 17
p U.S. DEPARTMENT OF TRANSPORTATION
� 1 � I � FEDERAL AVIATION A0��11NISTRATION
8000 .69
3/23/89
ACTI'CMATED FIEATF� OBSERVI2� SYSI'"d�SS (AL�S) APPLIGABILITY TO
SUBJ: FAR PARTS 121 A2�ID 135 FLIGHT OF"r�tATIONS
1. PtJRPOSE. This or�r pmvides F1i�t Starx3ards guidance on the applicability
of Autamated Weather Observi.ng S,rst�ns (APtJS) to Federal Aviatian Regulations
(FAR) Parts 121 and 135 flight operations. This or�r pmvides guidance to
principal op�ratians inspectors for a�proving air carrier flight operations
iizvolving autcmated ot�erving systes�s.
2. DISTRI�TTION. This o;der is distributed to tY� Associate A�inistsator for
Aviatio� Safety; to the brar�h level in t� Office of Aii�-port Safety and
Standaz�s; to t� Flight Standares, Aircraft Certificati�, Air �affic
Operatic�s, Air T�affic Plans and Requir�ts, A�vanced System Aa�iisitian,
Program Fhgineering, and Syst�ns Mainten�nce Services; to the branch level in the
regional Fli�t Star�s, Air TYaffic, Air,�ay E�cilities, and Airports
Divisic�s; to the �h level in the Aviaticn St�'-arriG 2dational Field Office;
to a11 General Aviati�, Air C�s-rier, and Flignt Stanr�ards District Offices; to
all Flight ZrLspecti� �ield Offic�s, and Internatianal Field Offices; to all
Airport T�affic Control Towers, znd Flic�t Service Stations; to Aix�ray F`acilities
,Ges�ral 21AS Sectors, Air Rc� �� Tr�=ic Ccx�tr�l ^.enter Sectors, ar,3 S�ctor Field
Offic�s and Units; and to a11 Ai�-ports District Offices.
3. E��CC�IXJHD.
a. Autaaated observation systess were first �loped in tY� 1960's and
variaus ty�es and configuraticns have be�� �sed for maritime and aviation
purpos�s sjnce. The early moc�l autc�ated otservatian systems, coeaa�n to
aviati�, incluc�e: Autc�a.tic t�teoroloqical Ohserving S�ste� (�) , R�te
AM�S (RAt�JS) , and t� Autc�at ic O�rving Stat ic� (ALTIOB) . These syste�s are
operated 'oy the Nati�1 Fi�att�r S�rvice (2�) at both maru�._�d and �u-�ed
locat icros. �, R�i�S, and ALTTOB are iJ4�-a.pprovt.-�d weather saurc.,es and havc� been
u.s�d to vaiy{sx� degx�e�es for air carrier operatians.
b, In 1979, Advisary Circular (AC) 91-54, Autc�satic R;eport.ir�g S�ste�s—
Altimeter Setting and Other dperatic�al Data, �as pi.iblis.�ed. Th.is AC pmv3ded
gujdelin�s for tl� �e^,rela�znent and installation of autamatic reporting systems
for altimeter settirsgs and other operatio�al data c�esigned for use in cannection
with instrtm�lt flight rules (IFR) o�eraticais. T�is actian reszilted in a�rcnral
and operational use of cccm�rcially�lapeci autr�matic reporti.ng systems �ich
grovi�d a.ltimeter sett�, wi�a �a c�r�ti�, t�rature, ar� �oint.�
ApQraximately 50 systeffs t�ve beesz c3�lay�d �mr3er the gui�lines in this AC. In
general, syster�s �roved �r AC 91-54 carux�t be used as "stand alar�e" syste�s
for air carrier operations, te.it are a�gm�.able as an official data saurce for an
a�proved �le�entaty Aviation F;eather Repertir� Station (SAF�F2S) . There are a
limited rnm�t�er of AC 91-54 syste�s in cs�eratian that were a�irovt-�d by letter and
n�ay h�ve visibility and/or ceiling cag�ility. T7�se specific systems, appmved
DIS1fibU(i0n: A-W(SF) -1; A-W(AS/FS/IR/TO/TR/SA/PS/S?-�/VN)-3; Initfated By: �pS-430
A-X( FS/AT/AF/AS )-3; l,-�cS-1, 2, ; . 5, 7 (S':D) :
A-FAT-? , S (STD) ; A-FA"r-2 , 3, 7 (STD) ; A-:A.S-1 (STD) ;
AAC-950 ( 80 copies )
a000 .69 3/23/89
by t1�e F�inlstrator, c�tlrrue to be �rcJv�ed for FAR Pjz-t 135 �perations. -
F.�R Part 121 oQe r a t i ans are no t a{�proved w i th t'r��e sys t�s, s lnce they have no t ( ,
be�-i salc t i��ed by NF2S. The cc�me r c i a1 sys t eas ins t a11 ed �r the A� 91-5 4
guldclincs arc listed in the tlnited States Gaverr�t Flic�nt Informatian
Publicati� Alrport/Facility Directory.
c. 1fie czu-rent generatiQn of autc�ted ot�serving syst� txir�g develaped
�ointly by the Federal A�iatic� Admin.istration (FAA) arxi Pks will be de�ployed in
eeveral canfiguraticm.s. Tne 2�&T syste�s are offjcially desic�ated Autcmatic
Stiirface Observatian S�stess (ASOS} arxi will be de�loyed in both atterx3eci (staffed
locat irns) and tmatt�sx3ed cc�f igurat iorLs. 7'r�e r^AA AI�7C1S is canf igured 1n three
categories. TY�e category is determ.iried by tY� rn��er of c�ather elements the
systeTn provic3�s. T�e basic system, Ai�?S-1, prclvic�es altiartcr eettirx�, wind
data, t��erature, d�wpoint, and den�ity altitus3�. �-2 a�3rig visibility arid
Ai�lC�S-3 add.g visibility and claud hei�t to tY� basic system parar�eters.
d. In April 1986, AC 150/5220-16, Autc�ated Weath�r Observing S�ste�s
(AYJOS) for 2�Fon-'r�deral A�plications, ctias publis'r�ed. Thjs AC contains FAA
staru.�ards for rxm-Federal syste� and pravic�s the gujdeline�s for the
installation, aperatian, and majntenance of non-:ederal A1�OS. The systems which
meet these criteria contained in P.0 150/5220-16 are a�oraved by 2�t5 as an
official source of aviation we-ather re�rts. TY� syste�s c�ich rneet
AC 150/5220-16 specifications are also qualified for fti.u�ding assistanc_�e und�r th�
Ajz-port Ia�mve�nt Program (AIP) .
4. RII�ATED R�F�CE MA rT"RIAL.
a. AC 150/5220-16, Aut�ted W�eat'r�er Otx._,ervin� S�st�s ( "n;tii?S) for
;or�-F�derai A�Qlicatians, dated A�ril 11, 1980.
b. Orc�er 6560.20, Siting Criteria for Autcmated Lv�at'r�r Observing S�ste.�ns
(�X1S) , dated !�`�y 22, 1987.
5. SCaFE. Th.is order affects a11 Air Carrier District Offices, Flight
Staix3�3r�s District Offices, Ger�eral Aviation District Offices, ar�d a11 pritzcipal
operaticros ir�ectors directly respansible for� tt� a�pmval of FAR Parts 121 and
135 certificate holc�ers' operating practices arsd procec�ures.
6. FRflCEIX�E. The following guidan.ce is provic�ed to facilitate a.ppz�wals by
pri.-lcipal operations inspE.�ctors of AI�7l�S for FAR Parts 121 and 135 fljg�t
operatians.
a. C�erically referred to as AS�IC7S, these syst� are operationally
categorized into three basic levels: AFv�?S-1, A�DS-2, and A�S-3. AkUs-1 reports
altia�ter settir�, wind data, ten�erature, dew�oint, � d�nsity altituc�e.
Ai�7C�S-2 provides the AWI�S-1 parameters, plus visibility. AitiDS-3 will provic�e the
basic data (P.kUS-1) , plus visibility arsd ceiling/clatxi heigi�t. TY�.�e guic�elines
are a�Qlicable to autcan�ted systerr�s, installed, mainta�d, and operated by FAA '-
o r i�F1S; and, sys t e�s Procui'ed bY rwn-F'�c�e r al ent i t i es that are ins t a11 ed,
maintairyed, ar�d aperated tII�er thn gu_i�elines and specificatians in
AC 150/5220-16.
b. AhUS-1 `s, ��en operated as a "stand alone" system ("stand alone" in this �
�r m��r� syst� e�ich are tt� anly sotu'ce of weatY�r o'oseivations at a -
�rt i cu1 ar ai rpo r t) , ARE 2�T AP�DVABL�E as a SOL.r, o f f i c i al wea the r solu�ce f o r FAR
Page 2 Par 3
3/23/89
a000 .69
Par t s 121 ar�d 13 5 ope ra t i cezs, s ir� an AyX�S--1 prw i c�s ne i the r v i s S b i 1 i ty rx�r
ceiling/clrnid hejg}�t. Thjs type of system IS APPRCTvaRr� � a �ic c-,eather data
so��rce for an az7pr�v�.� ��
c. AWC?S-2's, bo th Fec�e ral and txm-Fet3eral, ARE APPf2�VABL.E on a cage--bY-�ase
basis for FAR Parts 121 and I35 operatlarls with certaln limitatjons, Z~�
certificate hol�er's operations specifjcations� or a reference in the
epecificatiarLs to st�portinq operations manu,als or �cw�tatjon, aaist contain
the follawing informatian: A listing of ths airports �re an �-2 is tt�e
aporovcd �atY�r source, t}� operator`s proce�ures for usincJ the systPsn, and t�e
ljmitations i�.,� � ��ratlans based on AF�?S_2 as tt� �a�r
Operaticmal limjtatjans � saurce.
1�Osed on Ai�OS-2 airports in gei�er� �:
(1) IFR operatjorLs that requlre ceiling information as a candjtion for
���tin4 that aperaticn are not perm.itted at airports w}�re Ai�S-2 reports are
the official source of weatY�r informatjon.
(2) AL.��S-2 ajr•;�rts canrzot be tLsed as alternates based solely an AkUS-2
reports. For djspatch/;ligfit release p�rposes, an a�ternative method for
c�ter�ininq ceiling at �S-2 airports aazst be a�prov�-�c3
operations in_�pc,�ctor. �' � Pr�ncipal
(�) �5-2 r�ports �, not be u� � a b�sis for IrR versus visual
flig}�t rules (VFR) �cisions at non-towered aii-ports.
(4) At airports s�re ceiling info�tion is required to conmly with
non.staru�rd tak.e�off m�z;,.na dictated t�y FAR Part 97 or operations specifications,
IFR takeoffs are prohibl�ed jf a� ,�y,�g_2 js � �le ��,ce of �ath�r
inforroation. How�ver, at airports w}�re a climb gradient alternative is
specified, this restriction wQu1d not ar�ply to aircraft ca�able of ineeting climb
9ra�iient criteria.
(5) Princjpal operations inspectors are r�equired to e�camir�e each requ�st
for approval for Ai�US-2 operatians and st�u:3ci i�ose a�Y �itional ljmitations
d�ned r�essaiy to m3 in�a in sa f e ty.
d. AL�S-3's installed, maintair�ci, and operated by FAA or NwS, and
rxm-Federal AkUS-3's installed, maintajned, and operated in accordance with the
standards and specjfj�tj� ��taj� � � 150j5220-16 AFcE ApFRpVART,". for FAR
Parts 121 and 135 flig}�t operation9 withaut restrictian,
e. T7�e Al�US i s a rn�au 1 a_r sys t�n tha t has a buj 1 t-in, se 1 f-checkj ng
�jlj�'' �� ��ired weather element has certain error tolerances that are
an integral part ot the operating software. This characteristic, cot.�led with
appropriate data processinq algorithms desjgn��d to withhold out-of-tolerance
��nts, allows the p.k�S to continue to functinn w}iile an elernent(s) is
reported m.issinq. An � ���t � � � an au��orized weather source for
F�1R Parts 12I and 135 I:? operations it the ALT�.� SETI'I2YG, VISIBILITY, or �
WI2�ID data are reported uussing. IFR agproaches will not be initiated by FAR
Parts 121 and 135 aircra,Ft 1f an� of t�s� ele�nts are missinq from the �g
report. An Ai�S shauld be �o�j�i� �t.�f-service far all IFR a�proac�-�S jf
the ALTIME'I'� SETTZN� is reported as missing. If th� L1ATE/TIME CC�OUP is missir�g,
, th� AS-.t?S i s rr�t an o f f i c i a1 o't�rva t 1 nn and tt� sys t em rrnis t be t ak.en ou t o r
service.
Par 6
Page 3
3/23/89 ,
joo0 . 69 �.
� �rier AC 91-5� cnlY•
��
f. This suYr��'�' �lies to �t� �lir�s of A� 91-54 as "stand alone
�ated ur'�r � � 135 aperati�s• �-2 or -3
p�s-1's instaJ.led and �- for FAR Parts 121 and ��ce of
�t� � � pypPROVABLE S, �stal led unr3er the 9� �t s.
�nstallations wlth SPe�ific letter �1 53��tions c� a ������
A�p�7VAR� for FAR �' or level, ARE 2� �� for FAR
� 91-54, � �� of categor'Y tl�r data
p� 91-54 syste�s, Apy�VAR� as a basic wea
part 121 operatinns• AC 91-54 syste� �
source for an aPP�� ��
7. SPECIA� ���
and s�e�ifications of
a � �t ��lY Wi�-� star�-S � official saur�es of aviation
�3 automaticallY �' �� � Flight Standar� is not
A� 150/5220-16 a�'� � � ��1 of t� sys lications in
��r reports. T�i �1s will � °�rational a�p
�i�; Fli�t Starx3ards�� c�lineated in this orc�r.
�cordance with � P � �n
of autc�ated syst�s t�t ha
b. Al1 tYPes
�nd configu.-Tations Ce with the guidelines i�
� operated in acco t� � �rovzd for
installed, mai-ntain�, all Fec�erally--QPerated sys
AC 91-54 and AC 150/5220-10 � triction•
�� � g� p3_r't 91 operators wit�-t �
�� �x�r AC 150/5220-16,
c ZI�"pectors should be �re �t �t� ��s, are rec*ulr�e� to hav� an
certificaticn a� ��l�i�n�-n� � facility ;
� a part of � �, Znspectors corxiuctin4
TPa1S1teISal�Ce Dro9r '1C� Z'�'J1.E47
�stablist�d an� �ontinuir� official �'-z�r S°�� S�
in,-pections at locatians �•�re�roced�'eS to ens.u'e Periodic sai-�tenan�e
� �int�-�ance d�cumentatian
���s are bein4 PerformE�a• ssi� bY
t have b�� �tablish-Pd a� �� with
d. � �I�evels 2 � 3� � maintai�� � °�rated, in accord�ncetions
FAA or 2�t^7S and sy�t� �talled, ce of caeather otse
c�msir�� � sole official s��'
AC 150/522011���li�rts.
for tt� r��l � �� ��e of an
rt aperators ar�3 fllc�t °Perations Pe �ld notify
e. ��° ter settir� °r �te/time gr��
�S �t has a malfui�ctinnin4 altime� ��riate local 2�Fotices to Airmen
� ���est flic�t sez'`�ice station.
(��) will b� lss��•
TZON. For fur�r �°�tion, clarification, or
B. FZF-pt7�,��'S FOR INFC)R�SA e ��tained in this order, Plezse
� � prccedural qU-id�'�
questions r�ia1 P�'�r� Branch, AE'�-430.
contact � S�
_r��%{'u � �
��
Roberc L. Goodrich
Acting Director, Flight Standards Service
Par E
n,,��' �
',I WS �pRM B-12 U.S. DEPARTMENT OF COMMERCE
I �7_88� NATIONAI. OCEANIC AND ATMOSPHERIC ADh'IINISTRATION
!� (pRES. F3Y WSOM I3-14 NATIONAL WEATHER SERVICE
! COOPERATIVE AGREEMENT FOR AVIATION WF�THER OBSERVATIONS
'�
(See Instructlone on Reverse)
�`
�^STATIOf`: STATE: EFFEC'I'IVE DATE:
i
'I '�IAIvLE OF COOPEFZATOR: TIRiE OF OBSERVATIONS:
,�
AS REQULRED TO MEET FAA FAR.'S
L EFFECTIVE ON THE ABOVE DATE THE COOPERATOR AGREES TO:
' I. Prov�de oecews+7�Qulpment to mm�urc doud 6el`h[.�'Ind,lempereturc,dew poine(i[requirad)eod altlmeter�eltine•
, 2. Pro.�dc�ult�ble Quarlen Indudine ipace for properly In�lalllne inatrv menu eod eQuipment rcquired by the SAµRS proCnm at(he�bove n�med localion.
�� J, provida Im�all,operole,relocele if necessan'.Drotect,mainteio eod repair.11 instrumeot�aod equipment In+coordaoce�vith Naliooal K'vther Service speciGca�iona,
�. ezcepl e�listed under Governmenl raeponsibJity belo�•.
ii 4. Provide qualified pcno¢nd lo obeerve and record�'utLer obxrv+Ubm io.ccordaoce with lhe hLowt of Avialionµ'mt6er Observalioo4 Fh4{No.8�durine the 6oun
liet�d above. The Netlo¢al Wulber Servioe��ill lrain such penonnd but coela associated w�lh traln.i¢Q(�a1+nm����"el�<<c.,)for L6e cooperalive employcee�ill tx borne
by lhe 000Denloa Tlme and plaoe for Ireinloe r'ill be mulually agrced to by the cooperator sod lhc Govcrnmeol.
S. Provlde treoemitlin�Cacllit[m aod tnnsmit lhe obxrvatiom lo ow¢eompaoy eircrah,and I(required,lo OTHER LOCAL USERS.
8. Mall orieloal o(all observation[orms to al lhe eod o[e�cb mootC or a�cpeciGed lo I.l i belo4•.
�'�� 7. �fake all observetloni taken�nd recorded u pert o[ihe normal reQulremcol w�ile6le to all avle[too Intereei+on the airpor4
I
.� g, promply Io(orm lhe N+t(onal Wealher Servioe w•hen i c6nnge in Qieht�chedules oecmeilatce a chen�e in the�c6edule o[obxrvitloas+e liated in the �Cime o(
�� ODxrv�Uao' �locic.
�. B. Anoolale the certificatcw o(obeervere�'ho teroioate employmeo[w�ith ihe e((rcervc d�ta aod return:he ecrtificale to t6e laeuiogaul6orilv.
� 'crmlt Governmeot olficlal6 free logrede�od egrcas to lhe datlon for tbc purpoEc o(inspedioo aod quidaoce o[l6e obeerval(ou progra¢i aod lo cheek oo a�.oci.tcd
�ulpmeal4pd tnstnimeotellon.
`
L1. Provide.dditlooalxNioeen�[ollo�•e:
.. Each certificated observer a-ill tal�e and record a miniinum of five (5 official observations each month.
;� IL IN RE'I'URN FOR'I'f�E RECORDS OF AVIATION �i'EATHER OBSERVATIONS TAKEN BY THE COOPERATOR, THE
I GOVERNMENT WILL:
1. Tr�lo end cert��te Quwl'�icd employMa,pro.'idad by the Coopenfor,lo oburve and record t6e roquirod elemeali o[l6e obeervatio¢.
I�'��I tratnio material,heodbook�,lostruc�ions aod for'mi requlrcd for IakloQ aod recordin�obxnvtion+'.aod tovclopea for mailine obecn�alion recordi to t6e
2. FLrnish C
,�I de�ieneteddatlon.
3. Furnlah lec6nical edvice�nd guidance In the selection,Inslalletioo,opv�Uon aod maioleoaoce o(me(corologital fnaLrvmtois end equipmenL
t. Pro�lde(nepecUoo eod gvidancc oC lhe obxrvation proCrwm•
��I 6, provlde eddlflonal e�ufpmeol end serv[oe�es(ollow�ei NONE.
I
! h0'I`E: In the event that automated u'eather obser�ting equipment is lnstalled at thie Iocatlon, this agreement becomea null and
vold at the time the automated equipment Is commissioned.
;� IrI. TF{IS AGREEIr�-h"C TUY IIE TERhfINATED BY EITI�:Ft PARTY LT��•"'µ�TT�NOTICE TO T[-�OI'I�R-
:�OAA, NATIONALR'�4THERSERVICE
�; COOPERATOR�
'II t;t, E3Y, James W. Schroeder
I
I rrrt�� 'rrrt�: SAFVRS Program ntanager
IIDATE
��, . STA'i'E � ZIP CODE DATE F{FJ.DQUAFtTERS,
i'
1'�'S, CR, Kansas City, Missouri
I:�STRUCTIO�S FOR COhtPLE"I�G WS FORAf B-12
GENERAL: Prepare form in triplicate. Original is filed ae the l�atiooal �L'eather Ser�ice Regional
Headquarters. The Cooperator and Super�ising Statio❑ get ooe copy each. C6anges in
"TIh1E OF OBSERVATIO,\S", and [tems I.S, I.6, I.11, and II.S may be made througl�
correepoade�ce.
HEADING: 1. Effecti.•e date. Enter date operation is to begin. T6is date must be later t6an
t6ose in Section fI[.
2. i\ame of Cooperator. If two or more coopccators are in�•olved in the operation
of a single S.aa�Rs, �repare Eeparate a�,reement Cor each cooperator and eoter a
note uoder Item I.11 referring to agreemeots with other cooperators at tk�at
location.
3. Time of Obsenations. Enter period during Nhich obscr�•ations are [o be taken;
if t6e obsen•ations are suc(� tl�at t(��s is icnpossible euter reasons for tal:i�b
obcer�'ations, sucli as, "As required to satisCy FAR 135", or, "As required b}�
F.4R 121", etc.. Enter t6e times oC ao}• scheduled obsercations to bc dissemi-
❑ated o�er loc�.line tele�ype.
��E.k� I•S: Eu[cr the ��auie oC l�e station Hl�ich l�andles lransmission oC SAR'RS obsen�ations on
�
, ' a�iation �eathcr circwts or to the forecast facili[y H�en terminal forecasts are prepared.
[TEht I.6: Enter the ❑ame of tl�e stalio❑ responsible for �eri(ication of SACZ'RS observational
records.
[TEhf I.11: Liat all addi[ional reqwrements such ae extra equipment, sc6edule for mailing forme
o[her tha❑ on a monthlr' b�sis, and references to other cooperators at the sacne SAWRS,
e.g., 'Sec agreement betMeen and the IVational Q'eatl�er Ser��ice." IC
0o eotries are needed herc, enter :1�01E".
[TEM1f II.5: [C no entries are nceded here enter "i�0\E".
,✓
, y�S,FORM B-JJ U.S. OEPARTF4ENT OF C01144ERCE ST�TION AHo TYPE
` '(S-97I ,�a NHTIONAL OCEANIC AND ATi.fOSPHERIC ADHINISTRATION � SAWRS
�����g3 �lATION�t wE�THER SERVICE
�� Lf � �l Air�ort
PREPAREO BY f' �
STATION INSPECTION REPORT r J . ch ng
TITLE
� SURFACE ❑ UPPER AIR ❑ RADAR Met . Tech .
RIITING TYPE OF VISIT H04E STATION WSO Kansas City� MO .
� EXCELIENT � CONP�E7E INSPECTION
a SATISFACTORY OATE(S1 OF VIS17
� UNSATISFACTORY O Fo�Low-�P � 6/8/93
INSTRUCTIONS - Svmmaiize fhe r�rulli o/ t{�� Jroiion inspecfion in norrati�• faim and diarribvt• as /ollows:
TYPE OF STATION ORlGlNAL TO: ONE COPY EACN TO:
NwS Reqlor»! Hcodqvarfers Sr�rion NWS Neodquorterr, ATTN: W/OS0141
Oth�� Regiora/Heodqw�ferc Svperv+sory Stafion NWS Htodquorl�rs� ATTN: W/OS01<1
SUMMARY
This SAWRS station is a contract facility. Johs�n County Kansas contracts with
Midwest Air Traffic Control Service Inc . , for both Air Traffic Control and
weather observations . -
Persons c�ntacted ; Cindee S . Crosby, controller on duty and Roy Fequa , Controller.
This facility complies with FMH �9 instructions�, using 6 certified observers .
• Cassity, fdilton 7 3749�
.Fequa, Roy L. 131326
•Crosby, Cindee S . 134571
°Cordes, Shane 134971
•Admire, Clarence J. 31683
-�3o11inger, Gary 13�693 -�
`
Items Cheeked . . . . . .
F1�1H "9
temperature sinsing equipment and wird equipment
Pressure sensing equip��nent
Visibility charts
Ceiling light
Observaer Certificates �
Wind equip��nent, Wind speed �4601 and wind d�rection r4114, was last calibrated 4/15/92
Altimeter rAC12738 and backup Altimeter �B2552 last calibarated 4/14/92 .
Mr. Fequa said both wind and Altimeters w�ll be calibrated this month (.June 1993) .
Pressure readings are checked daily with Johnson County Ex3cutive. Airport . (OJC)
ASOS equiprnent installed and in Test mode.
TOTAL CORRECTION
BAROMETER NUMaER (From 81ock 56 on LL'S Fom E?-1)
T07�L GORRECTION OF MERCURY
BAROMETfR RELATIVE r0 WS PRI-
1.(ARY ST/�NDARO
M'S FORM B-7l
�5°'� REGIO�'�AL HcADQUARTERS COPY - 1
. - - � rHut . be,�
�p a � 92 9 : I 4 FROM FAA ACE-7 • "``"-�' '
/ �T -- - _____--- - ' _
_._-------
��. r o�
` "� '-L '�^"•,CIN�` �''�� •"' ' �y� 'C' C �c � V c'-"c'O r,o`7v°�^�~ c^Ya
�o o O n" o�'Jt� O oc� v` � tl �`O v -- . 'r` o� ��o�dv �..�L� �a�c
"'Y �v d� O� G� � � � � �� � ' C�_ `'� ~ ¢��c�D�' ..Laa��� �- .--(
� ti��(/1 !, G r"'O2 o i� �`�^y rp O� V� �� r` C7� d `' � O_c� c��e o�_'.o�i���� t 7 q
� --+ tl G> _ � 1 y
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R
Fr�;A ACE-471N . Non-Fed Prg. ��gr.
' 651 l_ou Holland Dr. , Rm 110
� Kansas City. NO 64116-9891
(816) 474-621�
ATTACHMENT 2
REVISED
REFERENCE #
NON-FEDERAL FACILITY DATA ATCT
l . Location (City & State) Identifier _
2. Equipment Type Frequency _
3. Facility Name ( If different than City)
4. Airport Name —
5. Facility Elevation ft . MSL FCC Licensed Power
6 Location of Facility ( Identified by distance from approach end of runway)
iVorth Lat . West Long
NAD
7 Associated Air Route Travel Control Center
Telephone
8. Tie-in Flight Service Station
Telephone
9. Facility Sponsor —
10 Sponsor' s Representative:
Name/Title
Telephone (Work) (Home) _
Address
13
AIIACHMLNI 1
�
. (Cont . )
Reference # ,
11 ��1aintenance Technician:
Name FCC License
Telephone (Work) (Home)
Address
12 Internal Monitor/Shutdown (YES) (NO)
13 External Monitor/Status Unit (YES) (NO)
Type
Hours Monitored
Location
Telephone
Acldress
Name/Title of Person in Charge of Monitor Facility
14 Remarks :
Please list names , telephone numbers , and other info under remarks.
15 Reason for data sheet issue or revision :
�:1
' ATTACHMENT 2
• (�Oflt . )
ADDITIONAL NON-FEDERAL ATCT REFERENCE DATA:
l . Field Elevation (MSL) ft. Altimeter Sensor Elevation (MSL) ft
2. Altimeter #l ; Type I�odel Mfg
3. Altimeter #2: Type Model Mfg
4 Any other barometric pressure sensors :
5 Wind Speed:
a . Sensor Model Mfg
b Indicator Model _ Mfg
6. Wind Director:
a Sensor Model _ Mfg
b Indicator Model Mfg
7. Transmitter #l :
a Assigned Frequency: Authorized Power Out :
b. FCC License Number: FCC Call Sign :
c FCC Modulation Class : Lic Expiration:
d. TransiPitter Model : Mfg:
e Transmitter Ant Model : Mfg:
f Height of Antenna (AGL) :
8. Receiver �l :
a Assigned Frequency:
b Receiver Model Mfg __ _
c Height of l�nt��nna (AGL) :
1 '�
• ATTACI I��ENl 2
(Cont. ) � '
9 Transmitter ,�2
a Assigned Frequency: __ Authorized Power Out : __
b_ FCC License Number: FCC Call Sign:
c. FCC Modulation Class : Lic Expiration:
d. Transm� tter Model : Mfg:
e. Transmitter Ant Model : Mfg:
f Height of Antenna (AGL) :
10 Receiver #2:
a . Assigned Frequency:
b. ReceivPr Model : Mfg :
c . Height of Antenna (AGL) :
11 . Transmitter �3:
a . Assigned Frequency: Authorized Power Out :
b. FCC License Number: FCC Call Sign:
c. FCC Modulation Class : Lic Expiration: _
d. Transmitter Model : Mfg:
e. Transmitter Ant Model : Mfg:
f. Height of Antenna (AGL) :
12 Receiver #3:
a . Assigned Frequency:
b Receiver Model : Mfg: _
c. Height of Antenna (AGL) : _
16
• ATTACH��ENT 2
(Cont . )
13. Transmi tter ##4:
a . Assigned Frequency: Authorized Power Out :
b. FCC License Number: FCC Call Sign:
c. FCC Modulation Class : Lic Expiration:
d. Transmitter Model : Mfg:
e. Transmitter Ant Model : Mfg:
f Height of Antenna (AGL) :
14 Receiver #4:
a . Assigned Frequency:
b. Receiver Model : I�1fg:
c . Height of Antenna (AGL) :
15 Parent ATC Facility: Phone ,t:
lo Additional SysLems/Equipments requiring periodic Uerification :
a .
b.
c
11 Additional Systems/Equipments :
a .
b .
c.
ll
ATTACHMENT 3
FACILITY EQUIPMENT PERFOR��ANCE STANDARDS AND TOLERANCES
FACILITY TYPE: Non-Federal Airport Traffic Control Tower
The following is a list of minimum standards and tolerances for the concerned
facility equipment types as of the date of issuance of this OMM. This list also
includes a reference to FAA Handbook , manufacturer's Instruction Book , or
tolerance source. Use these FAA supplied tolerances : or, the manufacturer' s
tolerances if more stringent. If the FAA owns the identical system/equipment .
the "operating tolerances" found in the FAA's specific equipment maintenance
handbook shall be used. Future tightening of the minimum standards and
tolerances by ICAO. FCC or FAA shall be adhered to.
Equipment that can not meet these tolerances will require a waiver, if possible,
or removed from service.
A EQUIPMENT STANDARDS AND TOLERP,NCES:
l . VHF/UHF TRANSMITTER:
(a) Frequency Stability; (Rer: ICAO Anr�ex 10 Part 1 para 4.6. 1 . 1)
( 1 ) 25 KHz Channel Separa�ion assigned frequency ± . 002 �
(2) 50 KHz & 100 KHz assigned frequency ± . 005 %
(b) Power Output : (Ref: CE 6050 11C para 51C)
( 1) 10 Watts + 2 l��atts
(2) As established by Regional Spectru�T� Engineering Section
(c) �°lodulation Level at Transmitter Output (Ref: 6580.5 para 125)
on 1000 HZ torie or voice peaks . 60 � to 95 %
(d) USWR at the Transmitter; (Ref: 6580.5 para 125)
2.8/1
(e) Interference; Control towers and RCO's must not cause harmful
interference to control towers or RCO' s at adjacent airports . (Ref
Part 87 of Chapter 1 title 47 of the Code of Federal Regulations .
Paragraph 87.425)
1 t;
Y
2 VHF/UHF Receivers : (Ref: ICAO Annex 10 Part 1 para 4.6.2. FAA
' 6580.5 Chapter 3 or FAA 6600 . 21 Chapter 3)
(a) Receiver Sensitivity:
( 1 ) FAA: 5 microvolt ( -93 dbm) max, for a 10/1 signal plus noise
to noise power ratio, using a 5 microvolt rf signal , 30 �
amplitude modulated by a 1000 Hz signal .
(2) ICAO: An audio output signal with a wanted/unwanted ratio of
15 db with a 50 � amplitude modulated (A3E> radio signal
having a field strength of 20 microvolts per meter.
(b) Acceptance Bandwidth:
( 1) FAA: 25 KHz channel = 14 KHz minimum width
50 KHz channel = 30 KHz minimum width
(2) ICAO: The receiving system shall provide an adequate and
intelligible audio output when the carrier frequency of the
receiver sensitivity signal of paragraph 2(A) (2) above is varied
about the assigned frequency by ± .005 � .
(c) Adjacent Channel Rejection;
( 1 ) FAA: 25 KHz channel = 60 d'o down with 25 KHz Maximum width .
50 KHz channel = 60 db down ��ith 80 KHz Maximum width.
(25 KHz Chan, 60 db point nonsymmetry = 15i max>
(50 KHz Chan, 60 db point nonsymmetry = 20°� max)
(2) ICAO: The receiving system shall ensure an effective
rejection of 60 db or more at the next assignable channel on
either side. ( 25 KHz Chan = ± 25 KHz: 50 KHz Chan = ± 50 KHz )
(d) Squelch ;
( 1) FAA: Open at = 5. 0 microvolt ( -93 dbm) maximu�l�
(2) FAA: Close at = approximately 2/3 of Open microvolts
(e) AVC Action;
(1) FAA: Threshold = 8 microvolts ( -89 dbm) maximum
(2) FAA: Level Control = 4 db from 3 uv to 50000 uv ( -97 . 5 dbm
to -13 dbm) , start with 50 uv input .
( f) Frequency;
( 1) FAA: Single channel receiver = ± . 001 9�
(2) FAA: receiver portion of transceiver = ± . 005 �
� ��
,
3 Altimeters : (Ref: FAA 6560. 13 Chapter 3, AC 91-14D, and FAA 8000.69) .
(a) h1aximum error is less than or equal to . 02 inches of inercury at 25
degrees Centigrade. A DASI must meet 02 at ILS airports and . 05 at
non- ILS airports .
(b) The difference between indicators at stations utilizing two
aircraft type altimeters cannot exceed .05 inches of inercury.
(c) Stations in (b) are to have them recalibrated by a FAA approved
altimeter calibration station at least every 24 months . They will be
removed from service and will have to be recalibrated if they fail to
meet annual NWS or FAA verification checks .
4 Wind Speed:
(a) Must start showing wind speed of wind moving at 2 knots or more.
(b) Accuracy of speeds from 2 to 100 knots = + 1 .5 kts or + 5 � of
speed whichever is greater. —
5 l��ind Direction: 6�Jind direction ± 5 degrees of azimuth.
6. Other Verifiable Systems/Equipment : Use the appropriate FAA or
manufacturer's maintenance/instruction book and follow the more stringent
requirements/tolerances .
;���
' �F� MAINTENANCE lASKS AND SCHEDULES
Using FAA handbooks , manuals , and directives listed in Advisory Circular
90 93, and the specific manufacturer' s handbooks , the sponsor or designaf,ed
representative should:
l Develop procedures for the installation, maintenance, testing , and
repair of electronic and weather equipment.
?_ . Ensure that voice recorders and other essential equipment are checked
for suitable operation at the beginning of each shift.
ihe minimum FAA tasks , schedules and requirements are as follows , based on
annual FAA inspections . The Sponsor may schedule and accomplish these checks
more often , if desired.
Anr�ually the following maintenance checks will be performed during the FAA
insUection
l . Review of transmitter FCC license for each transmitter.
2. Measure powerout, USWR (at transmitter) , modulation percentage, and
frequency of each transmitter.
3. Measure receiver sensitivity, squelch threshold, AUC action , local
OSC frequency, and audio quality of each receiver.
4 Check audio quality of each receiver channel at operator's console by
actually listening to it or asking controller on duty for opinion .
5. Verify wind speed and direction equipment by reviewing recent NWS
documentation, or checking speed at 0 & 82 KTS and direction at
magnetic north, or both.
6 Verify altimeter calibration by reviewing recent NWS or FAA-approved
Altimeter Calibration Station documentation, or comparison to a
pressure transfer standard, or both.
1 Verify performance of any other system requiring verification listed
in Attachment 2 of this OMM.
8 Aural check of each recorder channel being used to record time or
communications .
9. Operational check of signal light gun and ceiling light projector (if
installed) .
10. Ask the following questions of the technician and the controller on
duty:
a . Are facility drawings adequate?
b. Does the tower have binoculars that work?
c Does the airf`i��ld lighting control panel �ti�ork satisfactorily. if
applicable.
d. Does the teleG�hone/ interphone system with ihe parent AIC
faci 1 i ty ��rork �;at.i sfactori 1y?
�1
� 11 ��V 1 FNJ �.fl� �03�- 1 �OC� . �, '
12 Review the assigned technician 's FCC License and f/�,� Verification
Authority.
13 Revie�.� this operations and maintenancc manual and F��,�;/Sponsor
Memorandum of Understanding.
FAA Ground Inspection Report of the findings of the annual inspection will be
provided to the sponsor.
Where aircraft altimeters are in use as primary or backup sources of altimeter
information for pilots , have them recalibrated by an FAA-approved instrument
repair shop at least every 24 months . They must also be recalibrated if they
fail the annual NWS or FAA verification check .
C FACILITY/EQUIPMENT UERIFICATION:
Following successful accomplishment of the annual FAA inspection , annual �
verification statements must be made in the 6030-1 log as follows :
l . Overall A1-CT A/G communication channel services verified.
2. Altimeters verified. DASI verified ( if applicable) .
3 Wind measurement equipment verified.
4. Emergency backup transceiver verified.
5 Make verification statements for all other verifiable systems
identified in Attachment 2, using the above verification statements
or the specific equipment verification statement shown on the
equipment Certification pages included with this OMM Attachment .
Use the term "Verified" instead of the term "Certified" .
During the remainder of the year these systems must be reverified prior to
their return-to-service after failure or when adjustments or checks affecting
their performance have been made.
In the case of individual transmitters or receivers , the individual
transmitter or receiver can be verified separately prior to their return to
service. (example: Main 121.9 MHz Transmitter Verified) .
These verification statements may be made more often at the discretion of the
verified maintenance technicians .
It is suggested that the Sponsor may want to establish recurring checks and
verification intervals for facility systems and equipments more often than on
an annual basis . FAA certification (verification) intervals for FAA owned
systems are shown on the FAA Equipment Certification pages immediately
following this OMM attachment .
,,,
6/20/90 ��.�
Appendix 1
APPENDIX 1. CERTIFICATION REQUIREMENTS
TABLE 1. OVERAI.I..TERMINAL A-G COMMUNICATIONS
CIiANNEL SERVICES
Refererice Paragraph
Je�vice Ceriificatirni Parameter STDS and TOL/Limits
Overall certificacion is
baseci on the knowledge
that the constituent parts
are properly ceRified.
There are no overall
service certification �
parameters.
[�IOR!�4AL CF.RTIFICATION INTERVAL: Quarterly
�4AXIh4U�i CERTIFICATION INTERVAL: 1�days
PERSON RESPONSIE3LE I�OR CERTIFICATION: Electronics tecl�nician at control facilitv
CER�I�II�I(;:�TION E:A I'RY [N FA(�ILIT�' 1fAIi�1TENANCE LnC: A1(tennin��l a �comnu�nic.itions chann��l s��rvirrs certified.
Page 1
6480.6B CNG 6 �2�22�94 �
Appendix 1
"Cable 4. TER�IINAL A-G COMMUNICATIOtiS
TRANSMITTF.R SUBSYSTF,I�1S (LOCAL)
Re�erence Paragraph
Sercice CerliJication Pnrameter STDS and TOL/Limils
Voice quality Auclfo transmitting quality None(see E>ar. 94)
Co��erage �I�ransmitter power output Order 6580.5,par. 124a or 126a
�tod„lation Order 6580.5,par I25a or 126d
�OR�9,�L CENTIF(CA�I'ION INTERVAL: Quarterly,semiannually for solid-state transnutters.
�i.A\I�1U\1 CEftI'IFl(;,-�TION IN"I'EHv.ql.: l20 days;210 days for solid-state traiismitters. *
f'E�HSO�I Rh;SPOV'Sll�[.E•: FOR CI�:R�f�(I�IC':1�f�1O�A'_ Electrunics tcchnician at local transmittcr/rccci��cr facilit��
CEHT[FfCATIOV' E�;A'�l�ftl" fV' l�:�Cl[.["l�l' �tAWTEN,1�V'CE� LOC� Local transrnitter (identit�- n( Frcquenc��, eg., 123.� I�tE{z)
lmain and;or standli�i ce�UCied
Page 4
6560.13�i •
. t1/t9/9t Appendix 1 .
,
1
� APPENDIX I. CERTIF[CATION REQUIREMENTS
Table 1. WiND MEASUREMENT EQUIPMENT
Rejcrrnce Paragraph --
Service Cerrr'ficarion Panvnerer STDS and TOL�Llinrts
l"
l. Measurement oCwindspeed Windspecd rystem overall acNracy IOSa
2. Measurement of wind Wind direaion ryseem overall accvracy IOSb
direaion
NOTE: For locations where the National Weather Ser��ce(NWS)owns the basic wind sensors, FAA certi(ication will be
limitcd to the indicators.
3. Direction indicators Linearity chec4: lOSb
4 Speed indicators Calibration lOSa
,'�
-�.%
NORNtAL CERTIFICATION iNTERVAL: i year.
�'GIXIMU�t CERTIF[GITION [hTERVAL: d50 da}'s. � -
PERSON RESPONSIE3LE FOR CERTIF[CATIO'�: Elearonics technician or other(as assigned).
CERTIFICATION EN"tRY IN FAC[LfIY NtAINTENAh`CE LOC: Wind equipment certified,or wind indicators certi�ed.
Page 1
12/22/94 6480.6B CHG 6
Appendix 1
T'able 5. TERI�IINAL A-G COMMUNICATIONS RECEIVER SUBSYSTE:ti�1S (LOCAL)
ReJerence Paragraph
Seroice Certificalion Parameler STDS and TOL/Limits
Voice quality Audio recci�ing quality None(sc.�e par.94)
Co�-erage Rf sensiti�-it�- Order 6580.5,par. 131a, 132a,or 133a
� R'OR!�1;1LCEliTiE�fCA�ffO\� I�VIE�:RVAL Q��r1YsemiannUyllyforsolid-statereceivers.
\1�1XI�tU;\1 (:ER"I�IFIC.�l lO.\' I,\1 ER\':�L: l20 days;2I0 days for solid-state receivers. �
P[�;HSON RES('ONSIE3LE FUN (:[•.R IlPICA�[�fON_ F.Icctronics technician at local transmittec/recei��cr facilitv
CER1'[F[C.�l�(ON E1�'�I�RY I\� PAC;[LI"fl \1.�Iti"[�EV';�\CE LOC: Local receiver (identity of frequenc�-, e g., 123.-1 �if{z) (main
and/�r st.in<lh�) ccrtific�l
Page 5
� u560.13B . 11/19/91
��� Appendix t
Table 2. ALT[METER SETI'[NG IND(CATOR (AS[) EQUIPMENT ' -
Rcjcrrncc Parugmph
Servicc Ctrtifrcation Paramc�er STDS and TOL/Llmiis
Measurement o!atmospheric Main dial scale errors 10$
pressure Main dial indication change 108
Main dial position ditferencc 108 L
Elevation dial ditferences 108
<`'
�
NORh�[AL CERTIF[CATION INTERVAL: 1 year.
h1AXIRtU�4 CERTIFICATION [NTERVAL: 450 days. - "
PERSON RESPONS[BLE FOR CERTIE[CATION: Electronics technician or other(as assigned).
CERTIE[CATION En`TR1'IN FAC[LCIY ht,�t[YTENANCE LOG: ASI certified.
Page 2
�
� 5l1/95 6560.13E3 CHG 7 '
' Appendix � ,
"I�::I�Ic 3. DIGIT�t1, AL"[�(iti1ET�E12 SETl�I,AG I,tiUICA"I�OR (f) �SO S�'S'I'E��1
--- _ _
__ _-__-- — - ----- � - _
� _-- ------ l
j 'i=re��c�� i'r� � .,�l,
Senicc � <_u!:fcatiar Y�r��r(�r _ _ ! SIi�Sc���TO/,/( .»+:s _ I
i �4casurcrncrt of:�'n�osp`�crfc (>.�i:�l rer�:±o:�t 2ccurac�� 109�
f:
��r�ssure C�I:bration �.e,t�ng or o��,c� i 1C96
IE!e,;, cn s:lli�g i 109c
I
I
I �
I �
i
I I I
I i �
�
i I
i
� �
, i ,
� � �
i i � �
;
�
� �
�
; �
�
i � ; �
, ;
� � i
; , ,
� ; i
j � � �
; i I
� i
I
� � � I
I ' �
; ' I
� ;
i
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i
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i
I
------- - -------- -- ---- — ---�-- - ---
' \`OR\l��L CEC2"[(FIC:1"i l0,\ fi\TER�:1L: G moi:�'hs.
I
?.f:1\t�[U,l�i CEl2�l�lf�[C:1"l�[ON I:�'�CEP.V:1L: 270d;i}�s. •
PERSOV' IZESPO\�113LF: E012 CEI2T�IFIC t�T[OV': E:I�c!ronics tcchnician or o(t:cr (as ;>;��-,�:e�J) �t l�:ASI.
CE1:�1'I[�(C,��I�[OV� N::�' I�RI' I�V 1�,1CiLl�l-l� �I,�1�A�I�E:�^1:11\CE LOG: DASI cet�if�.1
- ---- - -- _ _ — - — — _ --- -- ------- --- — �
f'age 3
TECHNICAL REFERENCE Locat�on (City/Siate) Date Prepared Page No
DATARECORD
:ost Center Code Location IdenL Facility Alpha Code Faciliry Ident Code S C F T M
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Initial/Auth_ Tolerances Revisions
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Number Parameters Values Limits Limits Values T e Date Initials
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DOCUMENTATION YEs No
Maintenance and Operation Manuai I O ❑
198 Data at Site I O ❑
Facility Log, FAA Form 6030-1 Satisfactorily Maintained � �
Service Interruptions Properly Coordinated � �
TRANSMITTER EQUfPMENT PARAMETERS RECEIVER EQUIPMENT PARAMETER
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Remarks
Date
non-Federal Technfcian Date FAA Inspector
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A I I AI,Nf�1tN I 5
. REVISION �NDEX ' °`
Retain this record in the back of the manual . On receipt of revisions , insert
revised pages in the manual and remove any superseded pages . Enter the revision
number, revision date, and the initials of the individual entering the revision
in the appropriate block of the revision index below.
Revision No . Revision Date Insertion Date Initials
7�l