N4414

Substantial
None

HILLER UH-12E S/N: 2205

Accident Details

Date
Saturday, May 4, 1991
NTSB Number
LAX91LA191
Location
DELANO, CA
Event ID
20001212X17025
Coordinates
35.780582, -119.230796
Aircraft Damage
Substantial
Highest Injury
None
Fatalities
0
Serious Injuries
0
Minor Injuries
0
Uninjured
1
Total Aboard
1

Probable Cause and Findings

THAT THE PILOT IMPROPERLY PERFORMED THE AUTOROTATION BY MISJUDGING THE FLARE ALTITUDE. CONTRIBUTING TO THIS ACCIDENT WAS THE TOTAL FAILURE OF THE FREEWHEELING SPRAG CLUTCH DUE TO EXCESSIVE WEAR AND THE SOFT DIRT TERRAIN.

Aircraft Information

Registration
N4414
Make
HILLER
Serial Number
2205
Engine Type
Reciprocating
Year Built
1962
Model / ICAO
UH-12E UH12
Aircraft Type
Rotorcraft
No. of Engines
1

Registered Owner (Historical)

Name
SAN JOAQUIN HELICOPTERS INC
Address
1407 S LEXINGTON ST
Status
Deregistered
City
DELANO
State / Zip Code
CA 93215
Country
United States

Data Source

Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# LAX91LA191