Wikipedia
The title flight officer was a military rank used by the United States Army Air Forces during World War II. It was also an air force rank in several Commonwealth nations where it was used for female officers and was equivalent to the rank of flight lieutenant. The term flight officer is sometimes used today to describe job title positions as aircrew members.
Usage examples of "flight officer".
For what it's worth, I suspect that Lieutenant Grafton is not the only aviator or naval flight officer on this ship who exhibits symptoms of stress.
The pilot and his flight officer were shining flashlights over the engines and barking impatient orders to the maintenance crews.
As the pilot entered his final approach the flight officer acknowledged their clearance to the tower, then switched to his prescribed sterile frequency and sent a last message in French to an off limits communications room.
The following morning, Lanzecki was completely the Guild Master when she met him and the petulant Moksoon in the flight officer's ready room.
The flight officer's wardroom wasn't exactly crowded, but it bordered on full.
And this was why Kathy Garrity had become a naval flight officer, despite the protests of her parents, despite the grueling training and study she'd put herself through for the past four years.
It went on to mention his six combat kills and the rescue of the wounded Naval Flight Officer in his aircraft.