Fairbanks - Arctic Village

The pilot reported a substantial loss of power while in cruise flight. He was unable to maintain altitude and the aircraft crashed into trees. An examination of the recently overhauled engine revealed a fractured exhaust rocker arm that caused the loss of power.

Flight / Schedule

Fairbanks - Arctic Village

Registration

N17689

MSN

431

Year of Manufacture

1964

Date

June 30, 1990 at 11:30 AM

Type

CRASH

Flight Type

Charter/Taxi (Non Scheduled Revenue Flight)

Flight Phase

Flight

Crash Site

Plain, Valley

Crash Location

Beaver Village Alaska

Region

North America • United States of America

Crash Cause

Technical failure

Narrative Report

On June 30, 1990 at 11:30 AM, Fairbanks - Arctic Village experienced a crash involving De Havilland DHC-3 Otter, operated by Wright Air Service, with the event recorded near Beaver Village Alaska.

The flight was categorized as charter/taxi (non scheduled revenue flight) and the reported phase was flight at a plain, valley crash site.

9 people were known to be on board, 0 fatalities were recorded, 9 survivors were identified or estimated. This corresponds to an estimated fatality rate of 0.0%.

Crew on board: 1, crew fatalities: 0, passengers on board: 8, passenger fatalities: 0, other fatalities: 0.

The listed crash cause is technical failure. The pilot reported a substantial loss of power while in cruise flight. He was unable to maintain altitude and the aircraft crashed into trees. An examination of the recently overhauled engine revealed a fractured exhaust rocker arm that caused the loss of power.

Aircraft reference details include registration N17689, MSN 431, year of manufacture 1964.

Fatalities

Total

0

Crew

0

Passengers

0

Other

0

Crash Summary

The pilot reported a substantial loss of power while in cruise flight. He was unable to maintain altitude and the aircraft crashed into trees. An examination of the recently overhauled engine revealed a fractured exhaust rocker arm that caused the loss of power.

Cause: Technical failure

Occupants & Outcome

Crew On Board

1

Passengers On Board

8

Estimated Survivors

9

Fatality Rate

0.0%

Known people on board: 9

Operational Details

Schedule / Flight

Fairbanks - Arctic Village

Flight Type

Charter/Taxi (Non Scheduled Revenue Flight)

Flight Phase

Flight

Crash Site

Plain, Valley

Region / Country

North America • United States of America

Aircraft Details

Registration

N17689

MSN

431

Year of Manufacture

1964