11 fatalities

Heavy Bomber Crash Near Gangneung Due to Icing (44-69802)

Gangneung, South KoreaFlight

On September 13, 1952, a Boeing B-29 Superfortress (registration 44-69802) operated by United States Air Force - USAF (since 1947) was involved in an aviation accident near Gangneung, South Korea in flight. 11 people were killed. Investigators recorded the probable cause as: Excessive accumulation of ice on wings in flight. 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 heavy bomber crashed in mountainous terrain southwest of Gangneung after encountering severe icing during a bombing mission over North Korea. Eleven crew members were killed, while one was rescued.

Incident Overview

A heavy bomber departed from Kadena Air Force Base to conduct a bombing mission over North Korea. During the flight, the aircraft encountered severe icing conditions. The accumulation of ice led to a loss of control, resulting in a crash in a mountainous region approximately 34 kilometers southwest of Gangneung.

Casualties and Crew

The accident resulted in significant loss of life. Eleven crew members were killed in the incident, while one individual was successfully rescued. The deceased personnel included:

  • 2nd Lt Merle T. Ayers
  • 1st Lt John L. Dreese
  • M/Sgt Ralph R. Heath
  • 1st Lt Raymond B. Houston
  • A2c George D. Jones Jr.
  • A2c Jimmie L. Kahanek
  • A2c James McCormick
  • A1c Richard T. Michel
  • Cpt John L. Roberts
  • Maj Earl J. Sanders Jr.
  • A2c Amos C. Temples

The surviving crew member was M/Sgt Alphonse Gerrato Jr.

Investigation Findings

Official findings indicated that the loss of control was attributed to an excessive accumulation of ice on the wings during flight. This icing condition directly contributed to the aircraft's inability to maintain stability, leading to the fatal crash in the mountainous area.

Probable cause

Excessive accumulation of ice on wings in flight