The Air Navigation Order 2009

Aerial work and private flights – commander to ensure demonstration of use of oxygen

92.—(1) Subject to paragraph (2), this article applies to an aircraft registered in the United Kingdom and flying on an aerial work or a private flight.

(2) This article does not apply in a case where a pressure greater than 700 hectopascals is maintained in all passenger and crew compartments throughout the flight.

(3) The commander of an aircraft to which this article applies must take all reasonable steps to ensure that—

(a) before the aircraft reaches flight level 130 the method of use of the oxygen provided in the aircraft in compliance with the requirements of article 37 and Schedule 4 is demonstrated to all passengers;

(b) when flying above flight level 130 all passengers are recommended to use oxygen;

(c) during any period when the aircraft is flying above flight level 100 up to and including flight level 130, oxygen is used by all the flight crew of the aircraft for that part of the flight at those altitudes which is of more than 30 minutes duration; and

(d) during any period when the aircraft is flying above flight level 130 oxygen is used by all the flight crew of the aircraft.