3 fatalities

In-Flight Right Wing Failure Leads to Fatal Crash (44-34681)

Quảng Ngãi, VietnamFlight

On August 16, 1963, a Douglas A-26 Invader (registration 44-34681) operated by United States Air Force - USAF (since 1947) was involved in an aviation accident near Quảng Ngãi, Vietnam in flight. 3 people were killed. Investigators recorded the probable cause as: Failure of the right wing in flight due to a structural failure caused by a fatigue of its components consecutive to an abusive usage in situations the aircraft was not devoted. 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 after its right wing failed in flight, resulting in a fatal explosion. The official investigation attributed the accident to structural fatigue from abusive usage in unsuitable operational conditions.

Accident Overview and Immediate Sequence of Events During the incident, the aircraft experienced a catastrophic failure of its right wing while en route. The loss of the wing caused the airplane to enter an uncontrolled dive. The aircraft ultimately impacted the ground and was destroyed in a massive explosion. All three crew members aboard the aircraft were killed in the accident. No specific details regarding the aircraft type, registration, operator, date, or location are provided in the source material. ## Official Investigation Findings The official investigation determined that the probable cause of the accident was the failure of the right wing in flight. This structural failure was attributed to fatigue in the wing's components. The investigation concluded that this fatigue resulted from abusive usage of the aircraft in situations for which it was not intended or devoted.