Chapter 5
Table 5.1. Fixed-Wing Taxiways.
Class A Runway
Class B Runway
Item
Item
No.
Description
Requirement
Remarks
Shoulders
specified.
NA
Min 1.5%
Air Force taxiway designed for B-52
aircraft.
Max 2.0%
For additional information, see
(a) 40 mm [1"] drop off at edge of
9
Transverse
Figure 3.1.
pavement
Grade of
(b) 5% slope first 3 m [10 ft] from
Unpaved
paved shoulder or runway edge
Shoulders
where no paved shoulder
(c) Beyond 3 m [10 ft] from paved
shoulder, 2.0% min, 4.0% max
Min 45.72 m
Army, Navy and Marine Corps
10
Clearance from
[150 ft]
airfields.
Taxiway
Centerline
to Fixed or
Mobile Obstacles
(taxiway
clearance line)
Min 45.72 m
Min 60.96 m
Air Force airfields.
[150 ft]
[200 ft]
See Remarks
See Table 3.2, Item No. 12 for
obstacle definition.
57 m [187.5 ft] Army airfields.
53 m
11
Distance
[175 ft]
or
Between
wingspan + 15.3 m
Taxiway
[wingspan + 50 ft],
Centerline
whichever is
and Parallel
greater
Taxiway/Taxilan
e Centerline
73 m [237.5 ft] Air Force and Navy airfields.
53 m
[175 ft]
or
wingspan + 15.3 m
[wingspan + 50 ft],
whichever is
greater
Min of 2.0% prior Army, Air Force, Navy, and Marine
12
Grade
to channelization Corps airfields, except as noted
(area between
taxiway shoulder
below.
Max 10.0%2
and taxiway
clearance line)
5-6
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