NONE · SIKORSKY H-19/S55 · 1991-03-19 · RICHVALE, CA, USA
Event
NTSB number
LAX91LA137
Event ID
20001212X16635
Type
Accident
Date
1991-03-19
Location
RICHVALE, CA, USA
Coordinates
39.479099, -121.839874
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
1
Total aboard
1
Aircraft
Make
SIKORSKY
Model
H-19/S55
Registration
N9894
FAR Part
137
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
THE FAILURE OF THE ENGINE'S NUMBER 4 CYLINDER INTAKE VALVE KEEPER. TREES UNDER THE HELICOPTER AT THE TIME OF THE LOSS OF ENGINE POWER WERE FACTORS IN THE ACCIDENT.