Hawker Hurricane Mk.I, L1802 (RE-G) 229 Squadron, RAF: Written off (destroyed) when lost (failed to return) from a combat operation over Mons, Belgium. Pilot killed. According to the official Air Ministry file on the incident (File AIR 81/490): "Pilot Officer A M Dillon, report of death; aircraft crashed at Mons, France [sic], 17 May 1940". Reportedly shot down by Bf109s of II.JG 26 north of Cambrai shortly after take off on escort sortie and crashed near Castilon Hill at Mons 3:30 pm
The aircraft of Flight Lieutenant Frederick Rosier was also shot down in this attack, exploding and burning. In his memoirs, "Be Bold", Rosier describes the attack on page 44, quote: "We scrambled and they clearly had us at a great disadvantage and tried to pick us off as we were taking off. It was at this moment that Pilot Officer Dillon was killed. Somehow I managed to take off, get my wheels up and gain some height".