3 fatalities

Fatal Mountain Collision During Liaison Flight (XT-852)

Mt Fuji, JapanFlight

On December 9, 1950, a Curtiss C-46 Commando (registration XT-852) operated by Civil Air Transport was involved in an aviation accident near Mt Fuji, Japan in flight. 3 people were killed. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-12Data APIEditorial standards

A three-crew aircraft struck the slope of Mt. Fuji while cruising at 8,000 feet in marginal weather during a liaison flight between Tachikawa AFB and Korea, resulting in the deaths of all personnel on board.

Incident Overview and Flight Context The accident occurred during a liaison flight operating between Tachikawa Air Force Base and Korea. At the time of the collision, the aircraft was in cruise at an altitude of 8,000 feet. The flight was being conducted under marginal weather conditions, which were present in the area at the time of the incident. ## Collision and Impact While maintaining its cruise altitude, the aircraft struck the slope of Mt. Fuji. The impact was severe enough to destroy the aircraft upon collision. No further details regarding the specific sequence of events leading to the terrain strike are provided in the source material. ## Casualties and Crew Identification All three crew members aboard the aircraft were killed in the accident. The personnel identified in the source are: * Captain Robert Heising – Pilot * Jimmy W. H. Chang – Copilot * T. W. Wen – Radio Operator ## Investigation Notes The source material does not specify the aircraft type, registration, exact date, operator, or the formal probable cause of the accident. The only environmental factor noted is the presence of marginal weather conditions during the cruise phase of the flight.