Claim: Edwin Swale's first aerial victory was on June 17, 1918 South-east of Zillebeke Lake (in the Flemish province of West-Vlaanderen in Belgium)  and his last victory was October 1, 1918 South-east of Roeselare.
Evidence: Combat record 1 30 May 1918
@ 1130 
17 8 October 1918
@ 0920