Chapter 4
Table 4.7. Rotary-Wing Imaginary Surface for VFR Approaches.
Helicopter
Runway
and
Landing
Item
Legend
Lane
No. Item Description
in Figures
Helipad
Remarks
Army does not
Air Force Air Force and
have VFR Rotary-
and Army Army VFR
Wing Runways or
VFR
Limited Use;
Landing Lanes.
Standard
Navy and
Marine
Corps
Standard
Helipad and
Hoverpoints
(see note 1)
Start of Sloped
same width as the
Portion
primary surface.
C
182.88 m
182.88 m
152.40 m
Centered on the
9
Width of Sloped
[600 ft]
[600 ft]
[500 ft]
extended center-
Portion of Approach-
line.
Departure Surface at
End of Sloped
Portion
C
0m
0m
0m
Above the
10
Elevation of
[0 ft]
[0 ft]
[0 ft]
established
Approach-Departure
elevation of the
Surface at Start of
landing surface.
Sloped Portion
C
45.72 m
45.72 m
45.72 m
Above the
11
Elevation of
[150 ft]
[150 ft]
(150 ft)
established
Approach-Departure
elevation of the
Surface at End of
landing surface.
Sloped Portion
12
Length of Approach-
D
365.76 m
365.76 m
365.76 m
Measured
Departure Zone
[1,200 ft]
[1,200 ft]
[1,200 ft]
horizontally from
the end of the
primary surface
and is the same
length as the
Approach-
Departure Clear-
ance Surface
length.
13
Start of Approach-
D
22.86 m [75 45.72 m
22.86 m
Starts at the end of
Departure Zone
feet] from [150 ft] from
[75 ft] from
the primary
4-27
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