7 fatalities

Four-Engine Bomber Crashes During Training Flight at Mountain Home Airport (44-69810)

Mountain Home, United States of AmericaTakeoff (climb)

On September 4, 1951, a Boeing B-29 Superfortress (registration 44-69810) operated by United States Air Force - USAF (since 1947) was involved in an aviation accident near Mountain Home, United States of America during takeoff. 7 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 four-engine bomber crashed and exploded during a training flight at Mountain Home Airport, killing all seven crew members. The aircraft went out of control during initial climb and disintegrated on impact.

Incident

A four-engine bomber crashed during a local training flight at Mountain Home Airport, resulting in the deaths of all seven crew members. The aircraft was conducting touch-and-go landings before the accident.

Sequence of Events

After takeoff, while in the initial climb, the bomber went out of control and crashed approximately 1,300 feet beyond the runway end. The aircraft exploded on impact and disintegrated, killing everyone on board.

Crew Members

  • Captain Ralph Todd, pilot
  • 1st Lieutenant Harold C. Lowder, copilot
  • 1st Lieutenant Richard S. Ross, instructor pilot
  • Staff Sergeant William K. Williams
  • Staff Sergeant Richard J. Flagstead
  • Private First Class John Avey
  • Private First Class Dennis Lee McClelland

Investigation

The investigation did not determine a probable cause for the accident. The aircraft was completely destroyed by the impact and subsequent explosion.