9 fatalities

Collision of Two B-29 Superfortresses Near Stockton (44-69939)

Stockton, United States of AmericaFlight

On November 16, 1949, a Boeing B-29 Superfortress (registration 44-69939) operated by United States Air Force - USAF (since 1947) was involved in an aviation accident near Stockton, United States of America in flight. 9 people were killed. Investigators recorded the probable cause as: Loss of control following an engine failure. 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 2026-08-05Data APIEditorial standards

Two Boeing B-29 Superfortresses collided at 26,000 feet after one suffered an engine failure. Three crew members bailed out and survived; 18 others were killed.

Accident Overview

On an unspecified date, two Boeing B-29 Superfortress aircraft were involved in a mid-air collision over a prairie approximately 11 miles northwest of Stockton. The first aircraft, a B-29-70-BW Superfortress registered 44-69939, was carrying a crew of 11 and flying at an altitude of 26,000 feet. The second aircraft, a B-29-50-MO Superfortress registered 44-86364, was carrying a crew of 10 and was flying about 1,000 feet above the first.

Sequence of Events

While cruising at its higher altitude, one of the engines of the second B-29 failed. The aircraft subsequently lost altitude and cut across the path of the first B-29. Both aircraft collided at flight level 260 (26,000 feet). Following the collision, both aircraft went out of control and dove towards the ground. During the descent, two crew members from the first B-29 and one crew member from the second B-29 were able to bail out. The three individuals who parachuted were found unhurt. The remaining 18 occupants of both aircraft were killed when the aircraft crashed in the prairie.

Probable Cause

The official investigation determined the probable cause to be loss of control following an engine failure.