822 

14 CFR Ch. I (1–1–19 Edition) 

§ 171.115 

the event out-of-tolerance conditions 
develop, the facility shall be removed 
from operation, and the designated 
control point notified. 

(c) The owner must prepare, and ob-

tain approval of, and each person oper-
ating or maintaining the facility shall 
comply with, an operations and main-
tenance manual that sets forth proce-
dures for operations, preventive main-
tenance, and emergency maintenance, 
including instructions on each of the 
following: 

(1) Physical security of the facility. 

This includes provisions for desig-
nating critical areas relative to the fa-
cility and preventing or controlling 
movements within the facility that 
may adversely affect SDF operations. 

(2) Maintenance and operations by 

authorized persons only. 

(3) Federal Communications Commis-

sion requirements for operating per-
sonnel and maintenance personnel. 

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

Federal Aviation Administration air 
traffic control facilities, with a de-
scription 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 and specific maintenance 

procedures and servicing guides stating 
the frequency of servicing. 

(8) Air-ground communications, if 

provided, expressly written or incor-
porating appropriate sections of Fed-
eral Aviation Administration manuals 
by reference. 

(9) Keeping of station logs and other 

technical reports, and the submission 
of reports required by § 171.117. 

(10) Monitoring of the facility. 
(11) Names, addresses, and telephone 

numbers of persons to be notified in an 
emergency. 

(12) Inspection by U.S. personnel. 
(13) Shutdowns for routine mainte-

nance and issue of ‘‘Notices to Airmen’’ 
for routine or emergency shutdowns, 
except that private use facilities may 
omit ‘‘Notices to Airmen.’’ 

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

amending or revising the manual. 

(16) An explanation of the kinds of 

activities (such as construction or 
grading) in the vicinity of the facility 
that may require shutdown or certifi-
cation of the facility by Federal Avia-
tion Administration flight check. 

(17) Procedure for conducting a 

ground check of SDF course alignment, 
width and clearance. 

(18) The following information con-

cerning the facility: 

(i) Facility component locations with 

respect to airport layout, instrument 
runway, and similar areas; 

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

basic radio equipment that will provide 
the service; 

(iii) The station power emission and 

frequencies of the SDF, markers and 
associated COMLOs, if any; 

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

and method of station identification 
and the time spacing of the identifica-
tion; 

(vi) A description of the critical parts 

that may not be changed, adjusted, or 
repaired without a Federal Aviation 
Administration flight check to confirm 
published operations. 

(d) The owner shall make a ground 

check of the facility each month in ac-
cordance with procedures approved by 
the Federal Aviation Administration 
at the time of commissioning, and 
shall report the results of the checks as 
provided in § 171.117. 

(e) If the owner desires to modify the 

facility, he shall submit the proposal 
to the Federal Aviation Administra-
tion and may not allow any modifica-
tions to be made without specific ap-
proval. 

(f) The owner’s maintenance per-

sonnel shall participate in initial in-
spections made by the Federal Avia-
tion Administration. In the case of sub-
sequent inspections, the owner or his 
representatives shall participate. 

(g) Whenever it is required by the 

Federal Aviation Administration, the 
owner shall incorporate improvements 
in SDF maintenance. In addition, he 
shall provide a stock of spare parts, of 
such a quantity, to make possible the 

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