MINR · HILLER UH-12E · 2021-09-29 · Millen, GA, USA
Event
NTSB number
ERA21LA386
Event ID
20210929103994
Type
Accident
Date
2021-09-29
Location
Millen, GA, USA
Coordinates
32.615, -82.002222
Injuries
Highest injury
MINR
Fatal
0
Serious
0
Minor
1
Uninjured
0
Total aboard
1
Aircraft
Make
HILLER
Model
UH-12E
Registration
N430NR
FAR Part
137
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
The improper reassembly of the tail rotor gearbox following maintenance, which resulted in fatigue failure of the input pinion gear shaft, and the subsequent loss of tail rotor drive.