Primary finding
Probable cause
The failure of the tension torsion bar pin due to fatigue. Contributing to this accident was that it was not possible for the pilot to flare the helicopter on landing.
NTSB investigation record
Hiller Uh12-e, saloy conver· N9753C
Primary finding
The failure of the tension torsion bar pin due to fatigue. Contributing to this accident was that it was not possible for the pilot to flare the helicopter on landing.
Continue research
Continue with the strongest shared characteristics.