On January 19, 1971, a Cessna 411 (registration N7386U) operated by Madsen International was involved in an aviation accident near Teterboro, United States of America during takeoff. One person was killed. Investigators recorded the probable cause as: Uncontrolled descent after takeoff following a powerplant failure for undetermined reasons. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).
Shortly after takeoff from Teterboro Airport, the pilot lost control of the aircraft, which stalled and crashed in an explosion near the runway. The sole occupant pilot was killed and the aircraft was destroyed.
Accident Overview
Shortly after takeoff from Teterboro Airport, during the initial climb, the pilot lost control of the airplane. The aircraft stalled and crashed in a large explosion near the end of the runway. The aircraft was destroyed, and the pilot, who was the sole occupant on board, was killed.
Probable Cause
According to the official investigation, the probable cause of the accident was an uncontrolled descent after takeoff following a powerplant failure for undetermined reasons.
Reported Factors
The investigation reported several factors associated with the accident:
The pilot failed to obtain or maintain flying speed.
The pilot failed to follow the approved procedures.
The pilot executed improper emergency procedures.
The pilot conducted inadequate preflight preparation.
There was a complete engine failure on one engine.
No engine malfunction was found during post-accident examination.
Possibly insufficient warm-up time before takeoff.