# The Air Navigation Order 2016, Article 42: Limitations of national permits to fly

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

(1) An aircraft flying in accordance with a national permit to fly—
(a) must not fly for the purpose of public transport or commercial air transport; and
(b) must not fly without the permission of the CAA—
(i) for commercial operation other than commercial operation which consists of an aircraft flying for the purpose of a flying display, associated practice for a flying display, test and positioning flights or the exhibition or demonstration of the aircraft;
(ii) at night or in accordance with Instrument Flight Rules; or
(iii) for hire.
(2) A placard must be affixed to any aircraft flying in accordance with a permit to fly in full view of the occupants which must be worded as follows—
Occupant Warning
This aircraft has not been certificated to an International Requirement

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Source: https://www.legislation.gov.uk/uksi/2016/765/article/42 (the official version)
Page: https://openlegislation.uk/air-navigation-order-2016/article-42
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.