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 MIL-HDBK-1021/1
TABLE 11
High-Speed Taxiway Turnoff
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Item
Criteria
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Location
First turnoff: Minimum of 6000 feet from
downwind end of runway.
Last turnoff: Minimum of 1000 feet from upwind
end of runway.
Minimum spacing between turnoffs: 2000 feet.
High-speed turnoffs shall be located only where
the parallel taxiway centerline is at or
above elevation of runway centerline, but not
by more than 5 feet.
Angle of turnoff
Maximum:
30 degrees.
Length
Minimum: 1000 feet between edges of runway and
parallel taxiway measured along turnoff
tangent extended.
Width
Throat width: 100 feet tapering to 75 feet at
point 400 feet from throat. See Figure 24.
Alinement
Central curve is compounded with entrance
curve. See Figure 24.
Longitudinal
Same as for intermediate turnoff (see Table
grades
10).
Transverse
There shall be no superelevation; however, the
grades
turnoff surface is warped from the edge of the
runway, having a transverse slope of -1%
to -1-1/2%, to the regular cross-section of the
parallel taxiway.
Fillets
As shown.
Load-bearing
Same as for taxiways (see Table 10).
capacity surface
and shoulders
Pavement marking
See NAVAIR 51-50AAA-2.
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