810 

14 CFR Ch. I (1–1–19 Edition) 

§ 171.31 

(2) At facilities within or imme-

diately adjacent to controlled airspace, 
there must be the ground-air commu-
nications required by paragraph (d)(1) 
of this section and reliable communica-
tions (at least a landline telephone) 
from the airport to the nearest FAA 
air traffic control or communication 
facility. 

Paragraphs (d) (1) and (2) of this sec-
tion are not mandatory at airports 
where an adjacent FAA facility can 
communicate with aircraft on the 
ground at the airport and during the 
entire proposed instrument approach 
procedure. In addition, at low traffic 
density airports within or immediately 
adjacent to controlled airspace, and 
where extensive delays are not a fac-
tor, the requirements of paragraphs (d) 
(1) and (2) of this section may be re-
duced to reliable communications (at 
least a landline telephone) from the 
airport to the nearest FAA air traffic 
control or communications facility, if 
an adjacent FAA facility can commu-
nicate with aircraft during the pro-
posed instrument approach procedure, 
at least down to the minimum en route 
altitude for the controlled airspace 
area. 

[Doc. No. 5034, 29 FR 11337, Aug. 6, 1964, as 
amended by Amdt. 171–16, 56 FR 65664, Dec. 
17, 1991] 

§ 171.31

Maintenance and operations 

requirements. 

(a) The owner of the facility must es-

tablish an adequate maintenance sys-
tem and provide qualified maintenance 
personnel to maintain the facility at 
the level attained at the time it was 
commissioned. Each person who main-
tains a facility must meet at least the 
Federal Communications Commission’s 
licensing requirements and show that 
he has the special knowledge and skills 
needed to maintain the facility includ-
ing proficiency in maintenance proce-
dures and the use of specialized test 
equipment. 

(b) The owner must prepare, and ob-

tain approval of, an operations and 
maintenance manual that sets forth 
mandatory procedures for operations, 
preventive maintenance, and emer-
gency maintenance, including instruc-
tions on each of the following: 

(1) Physical security of the facility. 

(2) Maintenance and operations by 

authorized persons only. 

(3) FCC licensing requirements for 

operating and maintenance personnel. 

(4) Posting of licenses and signs. 
(5) Relations between the facility and 

FAA air traffic control facilities, with 
a description of the boundaries of con-
trolled airspace over or near the facil-
ity, instructions for relaying air traffic 
control instructions and information 
(if applicable), and instructions for the 
operation of an air traffic advisory 
service if the facility is located outside 
of controlled airspace. 

(6) Notice to the Administrator of 

any suspension of service. 

(7) Detailed arrangements for main-

tenance flight inspection and servicing 
stating the frequency of servicing. 

(8) Air-ground communications, if 

provided, expressly written or incor-
porating appropriate sections of FAA 
manuals by reference. 

(9) Keeping of station logs and other 

technical reports, and the submission 
of reports required by § 171.33. 

(10) Monitoring of the facility, at 

least once each half hour, to assure 
continuous operation. 

(11) Inspections by United States per-

sonnel. 

(12) Names, addresses, and telephone 

numbers of persons to be notified in an 
emergency. 

(13) Shutdowns for routine mainte-

nance and issue of ‘‘Notices to Airmen’’ 
for routine or emergency shutdowns 
(private use facilities may omit the 
‘‘Notices to Airmen’’). 

(14) Commissioning of the facility. 
(15) An acceptable procedure for 

amending or revising the manual. 

(16) The following information con-

cerning the facility: 

(i) Location by latitude and lon-

gitude to the nearest second, and its 
position with respect to airport lay-
outs. 

(ii) The type, make, and model of the 

basic radio equipment that will provide 
the service. 

(iii) The station power emission and 

frequency. 

(iv) The hours of operation. 
(v) Station identification call letters 

and method of station identification, 
whether by Morse code or recorded 

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