[Code of Federal Regulations]
[Title 14, Volume 2]
[Revised as of January 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR139.305]

[Page 780-781]
 
                     TITLE 14--AERONAUTICSAND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION 
                               (CONTINUED)
 
PART 139--CERTIFICATION AND OPERATIONS: LAND AIRPORTS SERVING CERTAIN 
AIR CARRIERS--Table of Contents
 
                          Subpart D--Operations
 
Sec. 139.305  Paved areas.

    (a) Each certificate holder shall maintain, and promptly repair the 
pavement of, each runway, taxiway, loading ramp, and parking area on the

[[Page 781]]

airport which is available for air carrier use as follows:
    (1) The pavement edges shall not exceed 3 inches difference in 
elevation between abutting pavement sections and between full strength 
pavement and abutting shoulders.
    (2) The pavement shall have no hole exceeding 3 inches in depth nor 
any hole the slope of which from any point in the hole to the nearest 
point at the lip of the hole is 45 degrees or greater as measured from 
the pavement surface plane, unless, in either case, the entire area of 
the hole can be covered by a 5-inch diameter circle.
    (3) The pavement shall be free of cracks and surface variations 
which could impair directional control of air carrier aircraft.
    (4) Except as provided in paragraph (b) of this section, mud, dirt, 
sand, loose aggregate, debris, foreign objects, rubber deposits, and 
other contaminants shall be removed promptly and as completely as 
practicable.
    (5) Except as provided in paragraph (b) of this section, any 
chemical solvent that is used to clean any pavement area shall be 
removed as soon as possible, consistent with the instructions of the 
manufacturer of the solvent.
    (6) The pavement shall be sufficiently drained and free of 
depressions to prevent ponding that obscures markings or impairs safe 
aircraft operations.
    (b) Paragraphs (a)(4) and (a)(5) of this section do not apply to 
snow and ice accumulations and their control, including the associated 
use of materials such as sand and deicing solutions.
    (c) FAA Advisory Circulars in the 150 series contain standards and 
procedures for the maintenance and configuration of paved areas which 
are acceptable to the Administrator.