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577 

Federal Aviation Administration, DOT 

§ 139.315 

(1) Runway lighting that meets the 

specifications for takeoff and landing 
minimums, as authorized by the Ad-
ministrator, for each runway. 

(2) One of the following taxiway 

lighting systems: 

(i) Centerline lights. 
(ii) Centerline reflectors. 
(iii) Edge lights. 
(iv) Edge reflectors. 
(3) An airport beacon. 
(4) Approach lighting that meets the 

specifications for takeoff and landing 
minimums, as authorized by the Ad-
ministrator, for each runway, unless 
provided and/or maintained by an enti-
ty other than the certificate holder. 

(5) Obstruction marking and lighting, 

as appropriate, on each object within 
its authority that has been determined 
by the FAA to be an obstruction. 

(d) 

Maintenance. 

Each certificate 

holder must properly maintain each 
marking, sign, or lighting system in-
stalled and operated on the airport. As 
used in this section, to ‘‘properly main-
tain’’ includes cleaning, replacing, or 
repairing any faded, missing, or non-
functional item; keeping each item 
unobscured and clearly visible; and en-
suring that each item provides an accu-
rate reference to the user. 

(e) 

Lighting interference. 

Each certifi-

cate holder must ensure that all light-
ing on the airport, including that for 
aprons, vehicle parking areas, road-
ways, fuel storage areas, and buildings, 
is adequately adjusted or shielded to 
prevent interference with air traffic 
control and aircraft operations. 

(f) 

Standards. 

FAA Advisory Circulars 

contain methods and procedures for the 
equipment, material, installation, and 
maintenance of marking, sign, and 
lighting systems listed in this section 
that are acceptable to the Adminis-
trator. 

(g) 

Implementation. 

The sign systems 

required under paragraph (b)(3) of this 
section must be implemented by each 
holder of a Class III Airport Operating 
Certificate not later than 36 consecu-
tive calendar months after June 9, 2004. 

§ 139.313 Snow and ice control. 

(a) As determined by the Adminis-

trator, each certificate holder whose 
airport is located where snow and icing 
conditions occur must prepare, main-

tain, and carry out a snow and ice con-
trol plan in a manner authorized by the 
Administrator. 

(b) The snow and ice control plan re-

quired by this section must include, at 
a minimum, instructions and proce-
dures for— 

(1) Prompt removal or control, as 

completely as practical, of snow, ice, 
and slush on each movement area; 

(2) Positioning snow off the move-

ment area surfaces so all air carrier 
aircraft propellers, engine pods, rotors, 
and wing tips will clear any snowdrift 
and snowbank as the aircraft’s landing 
gear traverses any portion of the move-
ment area; 

(3) Selection and application of au-

thorized materials for snow and ice 
control to ensure that they adhere to 
snow and ice sufficiently to minimize 
engine ingestion; 

(4) Timely commencement of snow 

and ice control operations; and 

(5) Prompt notification, in accord-

ance with § 139.339, of all air carriers 
using the airport when any portion of 
the movement area normally available 
to them is less than satisfactorily 
cleared for safe operation by their air-
craft. 

(c) FAA Advisory Circulars contain 

methods and procedures for snow and 
ice control equipment, materials, and 
removal that are acceptable to the Ad-
ministrator. 

§ 139.315 Aircraft rescue and fire-

fighting: Index determination. 

(a) An index is required by paragraph 

(c) of this section for each certificate 
holder. The Index is determined by a 
combination of— 

(1) The length of air carrier aircraft 

and 

(2) Average daily departures of air 

carrier aircraft. 

(b) For the purpose of Index deter-

mination, air carrier aircraft lengths 
are grouped as follows: 

(1) Index A includes aircraft less than 

90 feet in length. 

(2) Index B includes aircraft at least 

90 feet but less than 126 feet in length. 

(3) Index C includes aircraft at least 

126 feet but less than 159 feet in length. 

(4) Index D includes aircraft at least 

159 feet but less than 200 feet in length.