The Air Navigation (Overseas Territories) Order 2001

Display of lights by aircraft

9.—(1) (a) By night an aircraft shall display such of the lights specified in these Rules as may be appropriate to the circumstances of the case, and shall not display any other lights which might obscure or otherwise impair the visibility of, or be mistaken for, such lights.

(b) By day an aircraft fitted with an anti-collision light shall display such a light in flight.

(2) A flying machine on an aerodrome in the Territory shall:

(a) display by night either the lights which it would be required to display when flying or the lights specified in rule 11(2)(c) unless it is stationary on the apron or part of the aerodrome provided for the maintenance of aircraft;

(b) subject to paragraph (3), display when stationary on the apron by day or night with engines running a red anti-collision light, if fitted.

(3) Notwithstanding the provisions of this section of these Rules the commander of an aircraft may switch off or reduce the intensity of any flashing light fitted to the aircraft if such a light does or is likely to:

(a) adversely affect the performance of the duties of any member of the flight crew; or

(b) subject an outside observer to unreasonable dazzle.