N689SBHILLER UH-12E 1989-10-11 NTSB Accident Report

Substantial
Serious

HILLER UH-12E S/N: 1475

Summary

On October 11, 1989, a Hiller UH-12E (N689SB) was involved in an accident near Yuma, AZ. The accident resulted in 1 serious injury. The aircraft sustained substantial damage.

The National Transportation Safety Board determined the probable cause of this accident to be: THE PILOT MISJUDGED THE FLARE ALTITUDE. CONTRIBUTING TO THIS ACCIDENT WAS THE FAILURE OF THE ENGINE TORSIONAL COUPLING WHICH ULTIMATELY CAUSED THE TOTAL LOSS OF POWER.

This accident is documented in NTSB report LAX90DUJ03. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N689SB.

Accident Details

Date
Wednesday, October 11, 1989
NTSB Number
LAX90DUJ03
Location
YUMA, AZ
Event ID
20001213X29620
Coordinates
32.679370, -114.659225
Aircraft Damage
Substantial
Highest Injury
Serious
Fatalities
0
Serious Injuries
1
Minor Injuries
0
Uninjured
0
Total Aboard
1

Probable Cause and Findings

THE PILOT MISJUDGED THE FLARE ALTITUDE. CONTRIBUTING TO THIS ACCIDENT WAS THE FAILURE OF THE ENGINE TORSIONAL COUPLING WHICH ULTIMATELY CAUSED THE TOTAL LOSS OF POWER.

Aircraft Information

Registration
Make
HILLER
Serial Number
1475
Engine Type
Reciprocating
Model / ICAO
UH-12E UH12
Aircraft Type
Rotorcraft
No. of Engines
1

Registered Owner (Historical)

Name
SMITH JAMES P
Address
4410 LAVENDER COURT
Status
Deregistered
City
CHINO
State / Zip Code
CA 91710
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# LAX90DUJ03