179.—(1) A licence is not required by any person who, acting in the course of their employment, passes on such instructions or advice as they have been instructed so to do by the holder of an air traffic controller’s licence which entitles that holder to give such instructions or advice.
(2) A licence is not required by any person who acts in the course of their duty as a member of Her Majesty’s naval, military or air forces or a visiting force.