MINR · HILLER UH-12E · 2013-05-26 · Wenatchee, WA, USA
Event
NTSB number
WPR13FA243
Event ID
20130526X13738
Type
Accident
Date
2013-05-26
Location
Wenatchee, WA, USA
Coordinates
47.392223, -120.203613
Injuries
Highest injury
MINR
Fatal
0
Serious
0
Minor
1
Uninjured
1
Total aboard
2
Aircraft
Make
HILLER
Model
UH-12E
Registration
N99090
FAR Part
091
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
Fatigue failure of the six bolts that secured the bevel gear to the first stage planetary carrier, which caused the transmission to seize while the helicopter and main rotor were still operating.