# The Air Navigation Order 2016, Paragraph 11: Operations under Visual Flight Rules — flight and navigational instruments and associated equipment – helicopters and gyroplanes


(1) Helicopters and gyroplanes operated under Visual Flight Rules by day must be equipped with a means of measuring and displaying the—
(a) magnetic heading;
(b) time, in hours, minutes and seconds;
(c) pressure altitude;
(d) indicated airspeed; and
(e) slip.
(2) Helicopters and gyroplanes operated under visual meteorological conditions at night or where flight visibility below cloud is less than 1,500 metres must, in addition to the requirements of sub-paragraph (1), be equipped with—
(a) a means of measuring and displaying attitude and stabilised heading; and
(b) where gyroscopic instruments are installed, a means of indicating when the supply of power to those instruments is not adequate.

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Source: https://www.legislation.gov.uk/uksi/2016/765/schedule/5/paragraph/11 (the official version)
Page: https://openlegislation.uk/air-navigation-order-2016/schedule-5/paragraph-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.