The Air Navigation Order 1989

Radio equipment of aircraft

14.—(1) An aircraft shall not fly unless it is so equipped with radio and radio navigation equipment as to comply with the law of the country in which the aircraft is registered and to enable communications to be made and the aircraft to be navigated, in accordance with the provisions of this Order and any regulations made thereunder.

(2) Without prejudice to paragraph (1) of this article, the aircraft shall be equipped with radio and radio navigation equipment in accordance with Schedule 5 to this Order.

(3) In any particular case the Authority may direct that an aircraft registered in the United Kingdom shall carry such additional or special radio or radio navigation equipment as it may specify for the purpose of facilitating the navigation of the aircraft, the carrying out of search and rescue operations or the survival of the persons carried in the aircraft.

(4) Subject to such exceptions as may be prescribed the radio and radio navigation equipment provided in compliance with this article in an aircraft registered in the United Kingdom shall always be maintained in serviceable condition.

(5) All radio and radio navigation equipment installed in an aircraft registered in the United Kingdom or carried on such an aircraft for use in connection with the aircraft (whether or not in compliance with this Order or any regulations made thereunder) shall be of a type approved by the Authority in relation to the purpose for which it is to be used, and shall, except in the case of a glider which is permitted by article 3(1) of this Order to fly unregistered, be installed in a manner approved by the Authority. Neither the equipment nor the manner in which it is installed shall be modified except with the approval of the Authority.