# The Air Navigation (Overseas Territories) Order 2013, Article 53: Maintenance of privileges of other ratings in licences

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

A person is not entitled to perform the functions to which an instrument rating (aeroplanes), an instrument rating (helicopters), or a flying instructor’s rating relates unless the person’s licence bears a valid certificate of test, which must be appropriate to the functions to which the rating relates, in accordance with the specified requirements and the person complies with those requirements.

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Source: https://www.legislation.gov.uk/uksi/2013/2870/article/53 (the official version)
Page: https://openlegislation.uk/air-navigation-overseas-territories-order-2013/article-53
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.