Airships at night
54.—(1) Except as provided in paragraph (2), an airship flying at night shall display the following lights—
(a)a steady white light of at least five candela showing through angles of 110° from dead ahead to each side in the horizontal plane;
(b)a steady green light of at least five candela showing to the starboard side through an angle of 110° from dead ahead in the horizontal plane;
(c)a steady red light of at least five candela showing to the port side through an angle of 110° from dead ahead in the horizontal plane;
(d)a steady white light of at least five candela showing through angles of 70° from dead astern to each side in the horizontal plane; and
(e)an anti-collision light.
(2) Subject to paragraph (5), an airship flying at night in any of the circumstances referred to in paragraph (3) shall display the lights specified in paragraph (4).
(3) The circumstances are as follows—
(a)if the airship is not under command; or
(b)has voluntarily stopped its engines, or
(c)is being towed.
(4) The lights specified are the following lights—
(a)the white lights specified in paragraph (1)(a) and (d);
(b)two steady, red lights, each of at least five candela, showing in all directions, suspended below the control car so that one is at least 4 metres above the other and at least 8 metres below the control car; and
(c)if the airship is making way but not otherwise, the green and red lights specified in paragraph (1)(b) and (c).
(5) An airship picking up its moorings at night shall display the lights specified in paragraph (1).
(6) An airship moored to a mooring mast within the Territory at night shall display, at or near the rear of the airship, a steady, white light of at least five candela showing in all directions.
(7) An airship moored otherwise than to a mooring mast within the Territory at night shall display—
(a)a white light of at least five candela showing through angles of 110° from dead ahead to each side in the horizontal plane; and
(b)a white light of at least five candela showing through angles of 70° from dead astern to each side in the horizontal plane.