# The Air Navigation (Hong Kong) Order 1995, Paragraph 4


The nationality and registration marks shall also be inscribed, together with the name and address of the registered owner of the aircraft, on a fireproof metal plate affixed in a prominent position—
(a) in the case of an aeroplane having an empty weight not exceeding 150 kg either in accordance with paragraph (c) or on the wing;
(b) in the case of a balloon, on the basket or envelope; or
(c) in the case of any other aircraft on the fuselage or car, as the case may be.

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Source: https://www.legislation.gov.uk/uksi/1995/2700/schedule/1/part/B/paragraph/4 (the official version)
Page: https://openlegislation.uk/air-navigation-hong-kong-order-1995/schedule-1/part-B/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.