Crash of a De Havilland DHC-3 Otter in Beaver Village: 2 killed
Date & Time:
Jun 30, 1990 at 1130 LT
Registration:
N17689
Survivors:
Yes
Schedule:
Fairbanks - Arctic Village
MSN:
431
YOM:
1964
Crew on board:
1
Crew fatalities:
Pax on board:
8
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total hours on type:
165.00
Aircraft flight hours:
7111
Circumstances:
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.
Probable cause:
Mechanical failure of an exhaust rocker arm.
Final Report: