NONE · Bell UH-1B · 1999-08-25 · LOST HILLS, CA, USA
Event
NTSB number
LAX99LA283
Event ID
20001212X19566
Type
Accident
Date
1999-08-25
Location
LOST HILLS, CA, USA
Coordinates
35.609443, -119.899505
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
1
Total aboard
1
Aircraft
Make
Bell
Model
UH-1B
Registration
N999SJ
FAR Part
137
Engines
1
Damage
SUBS
Conditions
Light
NBRT
Weather
VMC
Probable cause
Failure and separation of the 90-degree gearbox as a result of the disengagement of the pinion and gear teeth. The cause(s) of the pinion and gear disengagement were undetermined.