4 fatalities

1977-01-07: Mitsubishi MU-2 Marquise (N854Q) — Commonwealth Electric Company — Rochester, United States of America

Rochester, United States of AmericaTakeoff (climb)

On January 7, 1977, a Mitsubishi MU-2 Marquise (registration N854Q) operated by Commonwealth Electric Company was involved in an aviation accident near Rochester, United States of America during takeoff. 4 people were killed. Investigators recorded the probable cause as: Powerplant failure for undetermined reasons and stall spin during initial climb. Contributing factors: improper operation of flight controls, failed to maintain flying speed, misused or failed to use flaps, low ceiling, snow and blowing snow, visibility 1/2… This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 1781228471Data APIEditorial standards

During a night takeoff from Rochester Airport in poor weather, the aircraft experienced an engine failure. The pilot lost control, and the aircraft crashed past the runway, killing all four occupants.

Accident Summary

On a night takeoff from Rochester Airport, the aircraft encountered poor weather conditions. Shortly after departure, an engine failure occurred. The pilot subsequently lost control of the airplane, which crashed in flames past the end of the runway. The aircraft was destroyed, and all four occupants were killed.

Weather Conditions

At the time of the accident, weather conditions included low ceiling, snow and blowing snow, and visibility of one-half mile or less. The flaps were set to full down.

Probable Cause

According to the official investigation, the probable cause of the accident was powerplant failure for undetermined reasons and a stall/spin during initial climb. Contributing factors included improper operation of flight controls, failure to maintain flying speed, misuse or failure to use flaps, low ceiling, snow and blowing snow, visibility of one-half mile or less, and flaps full down.