| PERARDUAADASTRA | Motto of the RAF, in Latin |
| FINALE | The last appearance of the RAF in Alexandria (6) |
| ASTRA | Per ardua ad -; Latin phrase meaning "through adversity to the stars" used as the official motto of the RAF (5) |
| APRESMOILE | Phrase attributed to King Louis XV of France and adopted as the motto of the RAF "Dambusters" 617 Squadron (5,3,2,6) |
| DELUGE | Phrase attributed to King Louis XV of France and adopted as the motto of the RAF "Dambusters" 617 Squadron (5,3,2,6) |
| ADASTRA | Per ardua --- ---, the motto of the RAF (2,5) |
| PERARDUAAD | The motto of the RAF (3,5,2,5) |
| ARDUA | Motto of the RAF: per ____ ad astra |
| SHACKLETON | The Avro ____ was a maritime patrol aircraft used by the RAF in the 1950s and 1960s |
| MOSQUITO | De Havilland twinengined bomber built of plywood and used by the RAF in World War II (8) |
| SAFARI | I join the RAF in South Australia, initially for the hunting (6) |
| BARNESWALLIS | Engineer who designed the bouncing bomb used by the RAF in 1943's Operation Chastise |
| LANCASTER | Four-engined bomber, first used by the RAF in 1942 |
| ERKS | They joined the RAF in Berkshire (4) |
| SOFEW | The RAF, in a Churchill quote |
| WAAFS | Abbreviation of the titles of the members of the female auxiliary of the RAF during the Second World War (5) |
| TORNADO | Twin-engine combat aircraft, built by Panavia Aircraft GmbH, retired by the RAF in April (7) |
| AIRCOMMODORE | A senior officer of the RAF, of equivalent rank to brigadier in the Army (3,9) |
| STCLEMENT | Central church of the RAF situated on an island site in the Strand in London (2,7,5) |
| DANES | Central church of the RAF situated on an island site in the Strand in London (2,7,5) |
