10 fatalities

Aircraft crash near Cressey following takeoff from Castle AFB (52-2637)

Castle AFB, United States of AmericaTakeoff (climb)

On July 13, 1955, a Boeing KC-97 Stratotanker (registration 52-2637) operated by United States Air Force - USAF (since 1947) was involved in an aviation accident near Castle AFB, United States of America during takeoff. 10 people were killed. Investigators recorded the probable cause as: The aircraft experienced severe mechanical malfunctions during the climb phase immediately following takeoff. 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

An aircraft crashed and exploded northwest of Castle Air Force Base during its initial climb, resulting in no survivors among the crew.

What happened

During a departure from Castle Air Force Base, an aircraft experienced significant mechanical failures while in the climbing phase of flight. The incident occurred approximately seven miles northwest of the airfield, in the vicinity of Cressey. Following the onset of these technical difficulties, the aircraft impacted the ground, resulting in a large-scale explosion.

All ten crew members on board were killed in the accident. There were no survivors reported from the wreckage.

Findings

Preliminary details indicate that the crash was precipitated by serious technical issues occurring shortly after the aircraft departed the runway.

Probable cause

The aircraft experienced severe mechanical malfunctions during the climb phase immediately following takeoff.