154.—(1) Every person subject to military law who, when in a service aircraft, disobeys any lawful command given by the captain of the aircraft in relation to the flying or handling of the aircraft or affecting the safety of the aircraft, whether the captain is subject to military law or not, is guilty of an offence against military law and shall, on conviction by court-martial, be liable to suffer F148[imprisonment for a term not exceeding seven years] or any less punishment awardable by a court-martial.

(2) For the purposes of this section—

(a) every person, whatever his rank, shall when he is in a service aircraft be under the command, as respects all matters relating to the flying or handling of the aircraft or affecting the safety of the aircraft, of the captain of the aircraft, whether the latter is subject to military law or not;

(b) if the service aircraft is a glider and is being towed by another aircraft, the captain of the glider shall so long as his glider is being towed be under the command, as respects all matters relating to the flying or handling of the glider or affecting the safety of the glider, of the captain of the towing aircraft, whether the latter is subject to military law or not.