N35970AEROSPATIALE AS350D 1989-08-19 NTSB Accident Report

Destroyed
Serious

AEROSPATIALE AS350D S/N: 1131

Summary

On August 19, 1989, a Aerospatiale AS350D (N35970) was involved in an accident near Volcano, HI. The accident resulted in 1 serious injury, 5 minor injuries, with 1 person uninjured out of 7 aboard. The aircraft was destroyed.

The National Transportation Safety Board determined the probable cause of this accident to be: A CATASTROPHIC FAILURE OF THE POWER TURBINE SHAFT AND BEARINGS. THE FAILURE WAS A RESULT OF OIL STARVATION DUE TO AN EXCESSIVELY WORN CHIP DETECTOR O-RING SEAL,INADEQUATE MAINTENANCE AND PREFLIGHT. CONTRIBUTING FACTOR(S) WAS: THE MOUNTAINOUS TERRAIN.

This accident is documented in NTSB report LAX89LA281. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N35970.

Accident Details

Date
Saturday, August 19, 1989
NTSB Number
LAX89LA281
Location
VOLCANO, HI
Event ID
20001213X29162
Coordinates
19.690519, -155.079696
Aircraft Damage
Destroyed
Highest Injury
Serious
Fatalities
0
Serious Injuries
1
Minor Injuries
5
Uninjured
1
Total Aboard
7

Probable Cause and Findings

A CATASTROPHIC FAILURE OF THE POWER TURBINE SHAFT AND BEARINGS. THE FAILURE WAS A RESULT OF OIL STARVATION DUE TO AN EXCESSIVELY WORN CHIP DETECTOR O-RING SEAL,INADEQUATE MAINTENANCE AND PREFLIGHT. CONTRIBUTING FACTOR(S) WAS: THE MOUNTAINOUS TERRAIN.

Aircraft Information

Registration
Make
AEROSPATIALE
Serial Number
1131
Engine Type
Turbo-shaft
Model / ICAO
AS350D AS50
Aircraft Type
Rotorcraft
No. of Engines
1

Registered Owner (Historical)

Name
SALE REPORTED
Address
45 HOTEL DE VILLE
Status
Deregistered
City
VAL D'OR
State / Zip Code
QC J9-P2M5
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# LAX89LA281