On 1944-09-27, Pilot W A Gray (Pilot Officer, RCAF) service number J/88900 flew Typhoon Ib serial PD458 for this duty: unknown operation. His mission was not completed. Circumstances of the aircraft loss: hit by flak, crashed near Geldern. This aircraft was a part of squadron no. 439. The location for the map is Geldern Germany. Circumstances at the end of this mission for Gray: he was killed. He is commemorated at: Reichswald Forest War Cemetery Germany.