On 1945-04-23, Pilot J H McCullough (Flight Lieutenant, RCAF) service number J/16210, flew Typhoon Ib serial SW525 for this duty: unknown operation. His mission was not completed. Circumstances of the aircraft loss: Hit by flak, force landed at Ratzeburg. This aircraft was a part of squadron no. 439. The location for the map is Ratzeburg Germany. Circumstances at the end of this mission for McCullough: prisoner of war (PoW). There is no commemoration location known.