Primary finding
Probable cause
Failure of the magneto. Factors were the helicopter's position over water, the tailwind, and the inadequate main rotor rpm prior to touchdown.
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NTSB investigation record
FTW91LA105
CompletedSikorsky 58H· N4582B
- Date
- June 20, 1991
- Location
- Corsicana, TX
- Conditions
- VMC
- Record
- Completed
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