Chapter 6
Table 6.2. Rotary-Wing Aprons for Army Airfields.
Item
No. Item Description
Requirement
Remarks
Helicopter parked in double lanes and
parallel to the taxilane.
Park helicopter in center of parking space.
30 m
Army helicopters with skid configuration.
5
Type 2 Parking Space
[100 ft]
Length
50 m
Army helicopters with wheeled
[160 ft]
configuration.
Helicopter parked in double lanes and
parallel to the taxilane.
Park helicopter in center of parking space.
All Army helicopters.
Distance Between Edge 20 m
6
[60 ft]
of Parking Space and
Taxilane Centerline
Min 0.5%
Engineering analysis occasionally may
7
Grades in the direction
Max 1.5%
indicate a need to vary these limits.
of drainage
However, arbitrary deviation is not
intended. Avoid surface drain-age with
numerous or abrupt grade changes that can
cause adverse flexing in the rotor blades.
40 m
8
From edge of parking space to edge of
Interior Taxilane/
[120 ft]
parking space.
Hoverlane Width
(Between Rows
of Aircraft)
26 m
9
From edge of parking space to edge of
Peripheral Taxilane/
[85 ft]
apron.
Hoverlane Width
7.5 m
10
From taxilane centerline to edge of apron.
Distance Between
[25 ft]
Peripheral Taxilane
Centerline and Edge
of Apron
3m
Outside of an area formed by lines
11
Clear Distance Around
[10 ft]
connecting the tips of the blades and tail.
Refueling Aircraft
12
Paved Shoulders
See Table 4.4.
23 m
Measured from rear and side of apron.
13
Clearance from Edge
[75 ft]
Distance to other aircraft operational
of Apron to Fixed and
pavements may require a greater clearance.
Mobile Obstacles
6-20
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