| No. 666 Squadron RCAF | |
|---|---|
| Active | 5 March – 31 October 1945 |
| Country |  Canada |
| Allegiance | Canada |
| Branch | .svg){kind=small} Royal Canadian Air Force and Royal Canadian Artillery |
| Role | Air Observation/Air Taxi & Communications |
| Part of | No. 84 Group RAF, 2nd Tactical Air Force |
| Insignia | |
| Squadron Codes | BX (Mar 1945 – Sep 1945) |
| Aircraft flown | |
| Reconnaissance | Auster Mk.V |
No. 666 Squadron RCAF was originally an RCAF air observation post (AOP) squadron formed during the Second World War. It was manned principally by Royal Canadian Artillery (RCA) and Royal Canadian Air Force (RCAF) personnel.[1]
- ^ National Archives of Canada file C12430 pertains to the war history to 664 (RCAF)(AOP) Squadron, 665 (RCAF) and 666 (RCAF)(AOP) Squadrons. This original documentation fails to disclose any information that would indicate they were raised, manned or administered by the RAF, although the squadron was employed by 70 Group, RAF Fighter Command.