# The Air Navigation (Hong Kong) Order 1995, Paragraph 11: Flying Machines


(1) A flying machine when flying at night shall display light as follows:—
(a) in the case of a flying machine registered in Hong Kong having a maximum total weight authorised of more than 5,700 kg or any other flying machine registered in Hong Kong which conforms to a type first issued with a type certificate on or after 1st January 1991 the system of lights in paragraph (2)(b) of this rule;
(b) in the case of a flying machine registered in Hong Kong which conforms to a type first issued with a type certificate before 1st January 1991 having a maximum total weight authorised of 5,700 kg or less, any one of the following systems of lights:—
(i) that specified in paragraph (2)(a) of this Rule, or that specified in paragraph (2)(b); or
(ii) that specified in paragraph (2)(d), excluding sub-paragraph (ii);
(c) in the case of any other flying machines one of the systems of lights specified in paragraph (2) of this Rule.
(2) The systems of lights referred to in paragraph (1) of this Rule are as follows:—
(a) (i) a steady green light of at least five candela showing to the starboard side through an angle of 100 degrees from dead ahead in the horizontal plane; and
(ii) a steady red light of at least five candela showing to the port side through an angle of 100 degrees from dead ahead in the horizontal plane; and
(iii) a steady white light of at least three candela showing through angles of 70 degrees from dead astern to each side in the horizontal plane;
(b) (i) the lights specified in sub-paragraph (a) of this paragraph; and
(ii) an anti-collision light;
(c) the lights specified in sub-paragraph (a) of this paragraph, but all being flashing lights flashing together;
(d) the lights specified in sub-paragraph (a), but all being flashing lights flashing together in alternation with one or both of the following:
(i) a flashing white light of at least twenty candela showing in all directions;
(ii) a flashing red light of at least twenty candela showing through angles of 70 degrees from dead astern to each side in the horizontal plane.
(3) If the lamp showing either the red or green light specified in paragraph (2)(a) of this Rule is fitted more than 2 metres from the wing tip, a lamp may, notwithstanding the provisions of Rule 9(1) of these Rules, be fitted at the wing tip to indicate its position showing a steady light of the same colour through the same angle.

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Source: https://www.legislation.gov.uk/uksi/1995/2700/schedule/14/paragraph/11 (the official version)
Page: https://openlegislation.uk/air-navigation-hong-kong-order-1995/schedule-14/paragraph-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.