ED Decision 2019/012/R
(a) Applicability:
(1) The specifications for runway-holding position markings defined in CS ADR-DSN.L.575 and for intermediate holding position marking defined in CS ADR-DSN.L.580 are equally applicable to taxiways intended for ground taxiing of helicopters.
(2) The centre line of a helicopter ground taxiway should be identified with a marking.
(3) The edges of a helicopter ground taxiway, if not self-evident, should be identified with markers or markings.
(b) Location:
(1) Helicopter ground taxiway markings should be along the centre line, and, if provided, along the edges of a helicopter ground taxiway.
(2) Helicopter ground taxiway edge markers should be located at a distance of 0.5 m to 3 m beyond the edge of the helicopter ground taxiway.
(3) Where provided, helicopter ground taxiway edge markers should be spaced at intervals of not more than 15 m on each side of straight sections and 7.5 m on each side of curved sections with a minimum of four equally spaced markers per section.
(c) Characteristics:
(1) A helicopter ground taxiway centre line marking should be a continuous yellow line 15 cm in width.
(2) Helicopter ground taxiway edge markings should be a continuous double yellow line, each 15 cm in width, and spaced 15 cm apart (nearest edge to nearest edge).
(3) A helicopter ground taxiway edge marker should not exceed the height of a plane originating at a height of 25 cm above the plane of the helicopter ground taxiway, at a distance of 0.5 m from the edge of the helicopter ground taxiway and sloping upwards and outwards at a gradient of 5 per cent to a distance of 3 m beyond the edge of the helicopter ground taxiway.
(4) Helicopter ground taxiway edge markers should be frangible to the wheeled undercarriage of helicopters.
(5) A helicopter ground taxiway edge marker should be blue.
(6) If the helicopter ground taxiway is to be used at night, the edge markers should be internally illuminated or retro-reflective.
Helicopter ground taxiway markings and markers: centre line continuous yellow 15 cm, edge double yellow lines, blue frangible edge markers spaced per rules, with night illumination or retro-reflection.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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