CS HPT-DSN.B.120 Touchdown and lift-off areas (TLOFs)
Source document: EAR for ADR — Revision from June 2023
CS HPT-DSN.B.120 Touchdown and lift-off areas (TLOFs)
Summary
Heliports must have at least one touchdown and lift-off area (TLOF), either within the final approach and takeoff area (FATO) or collocated with helicopter stands. TLOFs must accommodate the largest helicopter, be load-bearing, prevent water accumulation, and maintain specific distance from FATO edges if applicable.
Related Questions
Where the TLOF is within the FATO, it should be dynamic load-bearing.
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Slopes on a TLOF should be sufficient to prevent accumulation of water on the surface and should not exceed 2 per cent in any direction.
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One TLOF should be located within the FATO, or one or more TLOFs should be collocated with helicopter stands.
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A TLOF should be of sufficient size to contain a circle of diameter of at least 0.83D of the largest helicopter the area is intended to serve.
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At least one TLOF should be provided at a heliport.
* Aviation.Bot's Suggestion - Always consult the original regulation for confirmation
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