(1) Except as provided by subregulation (4) and unless the aircraft was initially type-certificated without such lights or is a non-type certificated aircraft approved without such lights, all aircraft shall display—
(a) while operating in flight during the day and at all times at night, anti-collision lights intended to attract attention to the aircraft;
(b) while operating during night, navigation lights intended to indicate the relative path of the aircraft to an observer;
(c) while operating on the movement area of an aerodrome, lights intended to attract attention to the aircraft, as specified in the IAIP; and
(d) while operating with engines running on the movement area of an aerodrome, display a rotating beacon to indicate that fact.
(2) Except as provided by subregulation (4)—
(a) all aircraft moving on the movement area of an aerodrome during night shall display navigation lights intended to indicate the relative path of the aircraft to an observer; and
(b) unless stationary and otherwise adequately illuminated, all aircraft on the movement area of an aerodrome during night shall display lights intended to indicate the extremities of their structure.
(3) In respect of subregulations (1) (b) and (2) (a), other lights shall not be displayed if they are likely to be mistaken for these lights.
(4) A pilot shall be permitted to switch off or reduce the intensity of any flashing lights fitted to meet the requirements of subregulations (1), (2) and (3) if they do or are likely to—
(a) adversely affect the satisfactory performance of duties; or
(b) subject an outside observer to harmful dazzle.
(5) The lights which shall be displayed by aircraft by day, night, on water or on the manoeuvring area of an aerodrome, are prescribed in Document SA-CATS 91.