N121PM

Substantial
Minor

de Havilland DHC-6-100 S/N: 14

Accident Details

Date
Sunday, December 9, 1990
NTSB Number
LAX91FA052
Location
PERRIS VALLEY, CA
Event ID
20001212X24764
Aircraft Damage
Substantial
Highest Injury
Minor
Fatalities
0
Serious Injuries
0
Minor Injuries
1
Uninjured
20
Total Aboard
21

Probable Cause and Findings

A LOSS OF POWER ON THE LEFT ENGINE DUE TO A FATIGUE FAILURE OF A COMPRESSOR TURBINE BLADE LEADING TO FURTHER COMPRESSOR BLADE DAMAGE; A WORN POWER TURBINE GOVERNOR THROTTLE CAM ASSEMBLY WHICH LED TO LOSS OF POWER ON THE RIGHT ENGINE; AND INADEQUATE MAINTENANCE AND INSPECTION BY THE OPERATOR.

Aircraft Information

Registration
Make
DE HAVILLAND
Serial Number
14
Engine Type
Turbo-prop
Year Built
1966
Model / ICAO
DHC-6-100
Aircraft Type
Fixed Wing Multi Engine
No. of Engines
2
Seats
16
FAA Model
DHC-6 TWIN OTTER

Registered Owner (Current)

Name
RANDIGO LLC
Address
3200 KIRKWOOD HWY # 1093
City
WILMINGTON
State / Zip Code
DE 19808-6153
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# LAX91FA052