| Chester Stairs Duffus | |
| Birth Date: | 1 March 1891 |
| Birth Place: | Halifax, Nova Scotia, Canada |
| Allegiance: | Canada United Kingdom |
| Branch: | Royal Flying Corps Royal Air Force |
| Serviceyears: | 1915–1919 |
| Rank: | Major |
| Unit: | No. 22 Squadron RFC |
| Commands: | No. 25 Squadron RAF |
| Awards: | Order of the British Empire, Military Cross |
Major Chester Stairs Duffus (1 March 1891 – 23 February 1981) was a World War I flying ace credited with five aerial victories.[1]
Duffus joined the Royal Flying Corps in 1915,[1] and flew Royal Aircraft Factory FE.2b pusher two-seaters for No. 22 Squadron during 1916;[2] one of his observer gunners was fellow ace Corporal Frank Johnson.[1] He scored five victories between 17 August and 11 December 1916. He survived a forced landing after his fourth win on 4 December, landing near Bapaume.[2] His last triumph was shared with fellow aces Captain Selden Long and another pilot.[1]
Duffus went on to command No. 25 Squadron.[1] [2]
Duffus married Evelyn Giles at New Market on 21 June 1919; the union would produce a daughter, born the following year.[3]
Chester Stairs Duffus died on 23 February 1981.[4]
Military Cross (MC)
2nd Lt. Chester Stairs Duffus, R.F.C., Spec. Res. For conspicuous skill and gallantry in fights with hostile aircraft. On one occasion, after hard fighting, he brought down a hostile machine in flames on our side of the line.[1] [5]
Above the Trenches: a Complete Record of the Fighter Aces and Units of the British Empire Air Forces 1915-1920. Christopher F. Shores, Norman L. R. Franks, Russell Guest. Grub Street, 1990., .