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ตารางที 3 -8 Minimum Geometric Requirments for Helipads.
Item Forward area Support area Rear area
No. Description OH - 6A UH - 1D CH - 47 CH - 54 OH - 6A UH - 1D CH - 47 CH - 54 OH - 6A UH - 1D CH - 47 CH - 54 Remarks.
HELIPORT APPROACH-DEPARTURE ZONE
32 Approach-departure surface ratio 10 : 1 10 : 1 10 : 1 10 : 1 10 : 1 10 : 1 10 : 1 10 : 1 10 : 1 10 : 1 10 : 1 10 : 1
33 Length, M. ............. 458 453 458 453 458 458 458 458 458 458 458 458
34 Width, M. ..............
At End of clear zone or taxi-Hoverlane 23 43 55 61 31 62 77 75 31 62 77 83
ข-17 At outer end ........... 260 260 260 260 260 260 260 260 260 260 260 260
HOLIPORT TAKEOFF SAFETY ZONE
35 Length, M. ............. 153 153 153 153 153 153 153 153 153 153 153 153
36 Width, M. .............. Some as approach - departuer zone
SERVICE ROADS
37 Width, M. .............. 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 7 7 7 7
