master aircrew

noun

1. a warrant rank in the Royal Air Force, equal to but before a warrant officer

Example Sentences

RAF Flt Lt Charlie Lockyear and Master Aircrew Bob Sunderland were also honoured for landing their Chinook helicopter while under fire from Afghan insurgents.

From BBC

Winchman, Master Aircrew Harry Harrison, said: "When I got to her, the elder girl was clearly exhausted and was going under the water for what was the very last time."

From BBC