GM1 HPT-DSN.F.710 Visual aids for denoting obstacles

(a)General: If it is not possible to display obstacle lights on obstacles at a heliport intended for use at night, the obstacles should be floodlit.

(b)Location: Obstacle floodlights should be arranged so as to illuminate the entire obstacle and, as far as practicable, in a manner so as not to dazzle helicopter pilots.

(c)Characteristics: Obstacle floodlighting should produce a luminance of at least 10 cd/m2.