GM1 HPT-DSN.F.580 Heliport name marking

(a)Location: The heliport name marking should be displayed on the heliport so as to be visible, as far as practicable, at all angles above the horizontal.

(b)Characteristics:

(1)A heliport name marking intended for use at night or during conditions of poor visibility should be illuminated, either internally or externally.

(2)The colour of the marking should contrast with the background and preferably be white.

(3)Runway-type FATOs: The characters of the marking should be not less than 3 m in height.

(4)All FATOs except runway-type FATOs: The characters of the marking should be not less than 1.5 m in height.