# The Rules of the Air Regulations 2015, Paragraph 1: Interpretation

Extent: E+W+S+N.I.

(1) In these Rules “anti-collision light” means—
(a) in relation to rotorcraft, a flashing red light; and
(b) in relation to any other aircraft, a flashing red or flashing white light,
in either case showing in all directions.
(2) Subject to paragraph (3), terms used in these Rules which are defined in article 2 of the Standardised European Rules of the Air Regulation have the same meaning as given in that article.
(3) The term “aerodrome traffic zone” has the same meaning as given in article 5 of the Air Navigation Order 2016.
(4) References in these Rules to “SERA” followed by a number refer to the provision with the corresponding number in SERA.

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Source: https://www.legislation.gov.uk/uksi/2015/840/schedule/1/paragraph/1 (the official version)
Page: https://openlegislation.uk/rules-of-the-air-regulations-2015/schedule-1/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.