NTSB investigation record

FTW99LA162

Completed

Bell 412· N3893S

Date: June 9, 1999
Location: Eugene Is. 313,
Conditions: VMC
Record: Completed

Primary finding

Probable cause

The separation of a section of the tail rotor blade, and subsequent separation of the tail rotor system, as a result of fatigue cracking due to corrosion in the tail rotor blade spar.

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