ED Decision 2019/012/R
(a) General:
(1) At least one TLOF should be provided at a heliport.
(2) One TLOF should be located within the FATO or one or more TLOFs should be collocated with helicopter stands.
(b) Characteristics:
(1) A TLOF should be of sufficient size to contain a circle of diameter of at least 0.83 D of the largest helicopter the area is intended to serve.
(2) Where the TLOF is within the FATO, the TLOF should be dynamic load-bearing.
(3) Where a TLOF is collocated with a helicopter stand, the TLOF should be static load-bearing and be capable of withstanding the traffic of the helicopters that the area is intended to serve.
(4) Slopes on a TLOF should be sufficient to prevent accumulation of water on the surface of the area and should not exceed 2 per cent in any direction.
(5) Where a TLOF is located within a FATO which can contain a circle of diameter more than 1 D, the centre of the TLOF should be located not less than 0.5 D from the edge of the FATO.
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