15 fatalities

Aircraft Disintegration and Crash Near Alpena (61-0296)

Alpena, United States of AmericaFlight

On September 26, 1976, a Boeing KC-135 Stratotanker (registration 61-0296) operated by United States Air Force - USAF (since 1947) was involved in an aviation accident near Alpena, United States of America in flight. 15 people were killed. Investigators recorded the probable cause as: The exact cause of the accident could not be determined with certainty, but the assumption that the aircraft partially disintegrated in the air following a possible cabin pressurization problem was not ruled out. 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 aircraft partially disintegrated in flight and crashed in a wooded area 12.5 miles southwest of Alpena, killing 15 occupants and leaving five survivors.

Incident Overview and Route Details A four-engine aircraft departed from Kenneth Ingalls Sawyer AFB in the early morning, with Oscoda-Wurtsmith Airport as its intended destination. During the flight, the aircraft experienced a catastrophic failure, partially disintegrated in the air, and entered a dive. The wreckage was found in a wooded area located 12.5 miles southwest of Alpena. The incident resulted in the deaths of 15 occupants, while five others were rescued. ## Official Investigation Findings The official investigation concluded that the exact cause of the accident could not be determined with certainty. However, the possibility that the aircraft partially disintegrated in the air following a cabin pressurization problem was not ruled out.

Probable cause

The exact cause of the accident could not be determined with certainty, but the assumption that the aircraft partially disintegrated in the air following a possible cabin pressurization problem was not ruled out.