1 fatality

Engine fire forces bailout near Merkel (44-86472)

Merkel, United States of AmericaFlight

On May 20, 1947, a Boeing B-29 Superfortress (registration 44-86472) operated by United States Air Force - USAF (since 1947) was involved in an aviation accident near Merkel, United States of America in flight. One person was killed. Investigators recorded the probable cause as: An uncontrollable fire in engine number three during flight forced the crew to abandon the aircraft. 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

An aircraft suffered an uncontrollable engine number three fire while en route to Borinquen, Puerto Rico. The crew ejected, resulting in one fatality and nineteen injuries before the plane crashed five kilometers west of Merkel.

What happened

While flying from Roswell AAF toward Borinquen, Puerto Rico, the aircraft experienced a mechanical failure involving engine number three. The fire ignited within the engine section and could not be suppressed by the onboard systems. Faced with an uncontrolled blaze, the flight crew made the decision to abandon the airframe. All personnel ejected from the aircraft, leaving it to descend uncontrolled. The machine impacted the terrain approximately five kilometers west of Merkel.

Findings

The official investigation identified the in-flight engine fire as the primary cause of the accident. The inability to extinguish the blaze necessitated the emergency ejection, which resulted in one fatality and nineteen injuries among the occupants.

Probable cause

An uncontrollable fire in engine number three during flight forced the crew to abandon the aircraft.