On May 25, 1973, a Cessna 411 (registration N4932T) operated by Clark Equipment Sales was involved in an aviation accident near Minneapolis-Saint Paul, United States of America during takeoff. 5 people were killed. Investigators recorded the probable cause as: Engine malfunction during initial climb caused by an improper adjustment of the fuel injection system. Contributing factors: improper maintenance; pilot failed to follow approved procedures; pilot failed to maintain flying speed; inadequate preflight… This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).
Shortly after takeoff from Minneapolis-Saint Paul Airport, the left engine lost power during initial climb. The pilot lost control, and the aircraft crashed in flames near the airport, destroying the aircraft and killing all five occupants.
Accident Overview
Shortly after takeoff from Minneapolis-Saint Paul Airport, while in initial climb, the left engine lost power. The pilot subsequently lost control of the airplane, which crashed in flames near the airport. The aircraft was destroyed, and all five occupants were killed.
Probable Cause and Contributing Factors
The official probable cause of the accident was an engine malfunction during initial climb caused by an improper adjustment of the fuel injection system. The following factors were reported:
Improper maintenance
The pilot failed to follow approved procedures
The pilot failed to maintain flying speed
Inadequate preflight preparation
Improper emergency procedures
The pilot failed to use all available runway
Partial loss of power on left engine because fuel mixture too rich
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