HELIPAD OPERATION (GROUND LEVEL OR
ELEVATED)
GENERAL DATA
The minimum helipad sizes demonstrated for OEI landing procedure are:
— ground based helipad 15 m x 15m (49 ft x 49 ft)
— elevated helipad 20mx20m(66ftx66ft).
NOTE
The following data and procedures apply, unless differently speci-
fied, both from ground based helipad and from elevated helipad.
All heights are referred to helipad level.
TAKEOFF DECISION POINT (TDP)
Wheels height : 80 ft (25.4 m) AHE.
NOTE
Radio altimeter heights are normally shown in all flight path
profiles; barometric altitudes can also be used provided that a
correct ″zero setting″ is performed in accordance with the takeoff
procedure.
LANDING DECISION POINT (LDP)
V
1
: Up to 20 Kts IAS.
NOTE
Check for a positive forward ground speed.
NOTE
In windy conditions, V
1
could be greater than 20 Kts IAS
according to the wind velocity to ensure a positive forward
ground speed.
Wheels height : 80 ft (25.4 m) AHE.
RFM A109E
APPENDIX 12
R.A.I. Approved Page 29 of 88
Rev. 39
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