MINR · Tamarack Helicopters Inc UH-1H · 2016-10-05 · Gila Bend, AZ, USA
Event
NTSB number
WPR17LA002
Event ID
20161005X45137
Type
Accident
Date
2016-10-05
Location
Gila Bend, AZ, USA
Coordinates
32.975555, -112.728614
Injuries
Highest injury
MINR
Fatal
0
Serious
0
Minor
1
Uninjured
0
Total aboard
1
Aircraft
Make
Tamarack Helicopters Inc
Model
UH-1H
Registration
N175SF
FAR Part
137
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
The separation of the 90° tail rotor gearbox assembly as a result of fatigue to the tail rotor gearbox input quill assembly attachment studs due to the helicopter experiencing highly repetitive agricultural flight profiles for which it was not designed.