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 MIL-HDBK-1021/1
TABLE 10
Aircraft Taxiways (Fixed- and Rotary-Wing Aircraft)
____________________________________________________________________________
Item
Criteria
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Length
Dependent upon airfield configuration.
Load-bearing capacity
See MIL-HDBK-1021/2/4 and NAVFAC
DM-21.03.
Surface
Minimum irregularity + 1/8 inch in 10
feet in any direction for rigid
pavement and + 1/4 inch in 10 feet in
any direction for flexible pavement.
Width:
Class A Runway
40 feet.
May be modified for
Class B Runway
75 feet.
particular mission
requirements (that is, high
speed and end turnoff, and
large transport taxiways for
B-747, KC-10, C5-A, L-1011,
and A-300).
Rotary-Wing
40 feet.
When dual use taxiways support
fixed- and rotary-wing aircraft
operations, use the appropriate
fixed-wing criteria.
Longitudinal grade of taxiway:
Class A and B Runways
1.5% maximum.
Keep grades to minimum
Rotary-Wing
2.0% maximum.
possible.
Rate of longitudinal grade
change per 100 feet:
Class A and B Runways
1.0% maximum.
The minimum distance
between two successive
points of intersection
(PIs) is 500 feet.
Changes are to be
accomplished by means of
vertical curves. The
maximum grade change is
3.0%.
Rotary-Wing
2.0% maximum.
Transverse grade of taxiway:
1.0% minimum.
From centerline of
1.5% maximum.
taxiway.
Normal taxiway turnoffs:
Width
Class A:
40 feet.
Class B:
75 feet.
(Except taxiways at direct fueling
stations: 150 feet.) Longitudinal grade
1.0% maximum between parallel runways.
3.O% maximum between runway and
parallel taxiway.
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