4 fatalities

Training Flight Crash at Wright-Patterson AFB Kills Four

Dayton, United States of AmericaLanding (descent or approach)

On September 24, 1957, a Douglas A-26 Invader operated by United States Air Force - USAF (since 1947) was involved in an aviation accident near Dayton, United States of America during landing or approach. 4 people were killed. Investigators recorded the probable cause as: A loose engine cowling moved forward into the propeller. 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 twin-engine aircraft on a local training flight crashed into houses in East Dayton, killing both pilots and two civilians. The accident occurred during approach, and an investigation found a loose engine cowling caused the crash.

Accident Details

A twin-engine aircraft conducting a local training flight crashed into residential properties on Tuttle Avenue in East Dayton, Ohio. The aircraft was on approach to Wright-Patterson Air Force Base when it went out of control and impacted the ground, destroying at least four houses and erupting in flames.

Casualties

Both pilots were killed in the crash: Maj James Melancon (pilot) and Cpt Wilho R. Heikkinen (copilot). Two civilians on the ground also lost their lives: Mildred VanZant and Walter Geisler.

Investigation and Probable Cause

The official investigation determined that the probable cause of the accident was a loose engine cowling that moved forward into the propeller, leading to loss of control.