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 MIL-HDBK-1021/1
TABLE 10 (Continued)
Aircraft Taxiways (Fixed- and Rotary-Wing Aircraft)
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Item
Criteria
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End turnoffs:
Class B (all taxiways and turnoffs for
helicopter and Class A runways shall be
40 feet).
Width
150 feet between single runway and
parallel taxiway and between parallel
runways; 200 feet between parallel
runways and parallel taxiways. See
Figures 4, 5, 6, 7, and 8.
Longitudinal grade
1.0% maximum between parallel runways.
2.0% maximum between runway and
parallel taxiway.
Elevation of crown of taxiway shall be
same as edge of runway at shoulder
line. Grade shall start at edge of
runway pavement and extend to
centerline of parallel taxiway.
Maximum allowable
1.0% per 100 feet.
rate of change in grade
Width of shoulders:
Class A Runway
25 feet.
Except V-22, use 30 feet.
Class B Runway
50 feet.
Rotary-Wing
25 feet.
May be increased when
necessary to accommodate
dual operations with
fixed-wing aircraft.
Longitudinal grade of shoulders:
Class A and B Runways
3.O% maximum.
Rotary-Wing
Variable.
Conform to longitudinal
grade of the abutting
primary pavement.
Transverse grade of shoulders:
Class A Runway
5.0%
first 10
Grades for unpaved
feet
followed by
taxiway shoulders
2.0%
minimum to
for Class B
4.0%
maximum.
runways may be
increased to 5.0%
for the first 10
feet.
Class B Runway
2.0% minimum.
4.0% maximum.
Rotary-Wing
5.0%
first 10
Slope from pavement.
feet
followed by
2.0%
minimum to
4.0%
maximum.
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