9 fatalities

Yokota AFB Heavy Bomber Mountain Strike Incident (44-86400)

Yokota AFB (Tokyo), JapanTakeoff (climb)

On March 31, 1952, a Boeing B-29 Superfortress (registration 44-86400) operated by United States Air Force - USAF (since 1947) was involved in an aviation accident near Yokota AFB (Tokyo), Japan during takeoff. 9 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 heavy bomber crashed into a mountain slope near Saimon village shortly after takeoff from Yokota AFB. The accident resulted in the deaths of nine crew members, while two others were successfully rescued.

Incident Overview

Four minutes after departing from Yokota Air Force Base, a heavy bomber encountered a fatal accident during its initial climb phase. The aircraft struck the slope of a mountain situated near the village of Saimon, which is located approximately 10 kilometers northwest of the airbase.

Casualties and Crew Manifest

The impact resulted in significant loss of life among the flight crew. Nine members were killed in the crash, while two individuals were rescued from the wreckage. The official crew manifest lists the following personnel:

  • Cpl Sherley B. Ardoin (Survived)
  • Cpl Norman F. Cline (Killed)
  • 2nd Lt William F. Evert (Survived)
  • T/Sgt Charles R. Fitzwater (Killed)
  • 1st Lt Earl H. Lemons (Killed)
  • S/Sgt Wayne L. Marchand (Killed)
  • Cpl Carrol L. Rackley (Killed)
  • 2nd Lt Harold G. Richards (Killed)
  • 1st Lt Norbert L. Robie (Killed)
  • Sgt James H. Sample (Survived)
  • 1st Lt John G. Stevens (Killed)

Location Details

The crash site was identified as a mountainous area near Saimon village. This location is positioned roughly 10 kilometers to the northwest of Yokota AFB, placing the accident in close proximity to the departure point.