# The Air Navigation Order 2016, Article 158: Maintenance of privileges of Flight Engineers' Licences


The holder of a United Kingdom Flight Engineer's Licence is not entitled to exercise the privileges of an aircraft rating contained in the licence on a flight unless—
(a) the licence has a certificate of revalidation for the rating; and
(b) the certificate is appropriate, issued and valid in accordance with Chapter 1 of Part 3 of Schedule 8.

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Source: https://www.legislation.gov.uk/uksi/2016/765/article/158 (the official version)
Page: https://openlegislation.uk/air-navigation-order-2016/article-158
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.