No fatalities

Crop Spraying Aircraft Crashes in Townsend, Montana After Left Engine Detachment (N9642)

Townsend, United States of AmericaFlight

On June 19, 1956, a Ford 4 (registration N9642) operated by Johnson Flying Service was involved in an aviation accident near Townsend, United States of America in flight. No fatalities were reported. Investigators recorded the probable cause as: Loss of power on left engine which detached in flight. 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

During a low-altitude crop spraying mission in Townsend, Montana, the left engine of an aircraft lost power and detached. The crew attempted an emergency landing, resulting in a crash that slightly injured both occupants and destroyed the airplane.

Incident Overview and Context An aviation accident occurred in Townsend, Montana, while the crew was conducting a crop spraying mission. The aircraft was operating at a low height when the incident began. The source does not specify the aircraft type, registration, operator, or exact date of the event. ## Sequence of Events During the low-altitude flight, the left engine experienced a loss of power. Following the power loss, the left engine eventually detached from the aircraft. In response to the mechanical failure, the crew elected to make an emergency landing. The aircraft crashed during the attempt to land. ## Casualties and Damage Both occupants of the aircraft sustained slight injuries in the crash. The airplane was written off as a result of the accident. ## Official Findings The official investigation identified the probable cause as the loss of power on the left engine, which subsequently detached in flight.