9 fatalities

Engine Failure Leads to Crash at Eielson AFB (56-3597)

Eielson AFB, United States of AmericaTakeoff (climb)

On February 27, 1963, a Boeing KC-135 Stratotanker (registration 56-3597) operated by United States Air Force - USAF (since 1947) was involved in an aviation accident near Eielson AFB, United States of America during takeoff. 9 people were killed. Investigators recorded the probable cause as: Failure of the engine number one at 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

After liftoff, engine number one failed, causing the aircraft to bank left and crash into buildings at Eielson AFB. All seven crew and two people on the ground were killed; the aircraft and two buildings were destroyed.

Incident Overview

The crew departed Eielson Air Force Base (AFB) for a routine refueling mission. Shortly after liftoff, during initial climb, engine number one failed. The aircraft immediately banked left and crashed into several buildings, resulting in a large explosion.

Casualties and Damage

All seven crew members aboard the aircraft were killed. Two individuals on the ground also lost their lives. The aircraft was destroyed, and two buildings—a crew rest house and a guard local—were completely destroyed.

Official Findings

The investigation determined the probable cause of the accident to be the failure of engine number one at takeoff.