# The Air Navigation Order 2016, Article 50: Validity of the national airworthiness review certificate

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

A national airworthiness review certificate becomes invalid if—
(a) suspended or revoked;
(b) the certificate of airworthiness is suspended or revoked; or
(c) the aircraft ceases to be registered in the United Kingdom.

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Source: https://www.legislation.gov.uk/uksi/2016/765/article/50 (the official version)
Page: https://openlegislation.uk/air-navigation-order-2016/article-50
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.