Quantcast Table 8. Helipads

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MIL-HDBK-1021/1
TABLE 8
Helipads
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Item
Criteria
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Location
Adjacent to facility such as hospital or command
installation and sited to conform with clearance
requirements.
Size
VFR and IFR:
100 feet x 100 feet
Grade
1.0% minimum.
Helipad grade shall be
1.5% maximum.
in one direction.
Shoulders:
25 feet.
Shoulders adjacent to
all operational
pavements
Longitudinal
Variable.
Conform to the longitudinal
grade
grade of the abutting
primary pavement.
Transverse grade
5.0% first 10 feet
Slope from
followed by
pavement.
2.0% minimum.
4.0% maximum.
Compact shoulder areas.  Stabilization for dust
and erosion control will be adequate to prevent
displacement of shoulder materials by rotor blast.
Dust and erosion control will be provided by
vegetative cover, asphalt concrete,
double-bituminous surface treatment, liquid
palliative, or by combination of methods.
Size of primary
VFR:
150 feet X 150 feet
surface
IFR:
1550 feet X 750 feet
Grades within the
2.0% minimum prior
Exclusive of pavement
primary surface area
to channelization.
and shoulders.
in any direction
(Bed of channel may
For an IFR helipad grades
be flat.)
applicable within the
limits of a 300 foot x
5% maximum.
300 foot area, the balance
of the area is to be clear
of obstructions and rough
graded to the extent
necessary to reduce damage
to aircraft in event of an
emergency landing.
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