# The Air Navigation (Isle of Man) Order 2007, Article 8: Validity of certificate of airworthiness


A certificate of airworthiness or a certificate of validation issued in respect of an aircraft registered in the Isle of Man shall cease to be in force—
(a) if the aircraft, or such of its equipment as is necessary for the airworthiness of the aircraft, is overhauled, repaired or modified, or if any part of the aircraft or of such equipment is removed or is replaced, otherwise than in a manner and with material of a type approved by the Department either generally or in relation to a class of aircraft or to the particular aircraft;
(b) until the satisfactory completion of any inspection made for the purpose of ascertaining whether the aircraft remains airworthy or maintenance of the aircraft or of any equipment described in sub-paragraph (a) which inspection or maintenance has—
(i) been made mandatory by the Department; or
(ii) become required by a maintenance schedule approved by the Department in relation to that aircraft; or
(c) until the completion to the satisfaction of the Department of any modification of the aircraft or of any equipment necessary for the airworthiness of the aircraft, being a modification required by the Department for the purpose of ensuring that the aircraft remains airworthy.

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Source: https://www.legislation.gov.uk/uksi/2007/1115/article/8 (the official version)
Page: https://openlegislation.uk/air-navigation-isle-of-man-order-2007/article-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.