4 Sqn RBCAF

Partial timeline

 * 1917: established as fighter squadron
 * 1919: disbanded
 * 1923: reformed as fighter squadron
 * 1937: disbanded
 * 1940: reformed as maritime patrol squadron
 * July 1941: converted to fighter squadron
 * July 1945: converted to transport squadron

Aircraft

 * Avro Tudor C.1 (1949–1954)
 * Boeing Osprey VC.1 (2004 to date)
 * Bolas Burnaby (7/1945–ca. 1949)
 * Bristol Bolingbroke Mk IV (1940–7/1941)
 * De Havilland BC Vancouver C.1 (1963–2005)
 * De Havilland BC Victoria C.1 (1955–1965)
 * Douglas Dakota C.3 (ca. 1949–1972)
 * Fairey BC Firefly Mk. I (192x–1937)
 * Lockheed Lightning F Mk. I (7/1941–1944)
 * Lockheed Lightning F Mk. IV (1943–11/1944)
 * Lockheed Lightning F Mk. V (1944–7/1945)
 * Lockheed Lightning F Mk. VI (1944–7/1945)
 * Parnall Plover (1923–192x)
 * Sopwith Camel (1917–1919)