Primary finding
Probable cause
The total separation of the vertical fin (stabilizer), as the result of fatigue cracks which initiated in the fourth rivet hole above where the fin extends from the tailboom.
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NTSB investigation record
SEA99LA020
CompletedGarlick Uh-1H· N94NW
- Date
- December 14, 1998
- Location
- Darrington, WA
- Conditions
- VMC
- Record
- Completed
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