On September 22, 1976, a De Havilland DHC-6 Twin Otter (registration C-FAWF) operated by Airwest Airlines was involved in an aviation accident near Mosher Creek, Canada in flight. One person was killed. Investigators recorded the probable cause as: The flight crew failed to gain sufficient altitude before encountering treetops in a mountainous region. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 4 related events involving the same aircraft type or operator are linked below.
An aircraft crashed into a forested region northeast of Bella Coola during an attempt to increase altitude, leading to one death and numerous injuries.
What happened
During a flight over mountainous terrain, the crew of the aircraft was cruising at an altitude of 4,200 feet. In an effort to climb higher, the flight crew initiated an ascent; however, this maneuver was executed too late to avoid obstacles.
The aircraft subsequently collided with treetops and came to rest in a heavily wooded area situated approximately 80 km northeast of Bella Coola. The impact resulted in one fatality among the passengers, while the remaining 18 occupants sustained various injuries during the crash.
Findings
The crew attempted to increase their altitude while navigating mountainous terrain.
The late decision to climb led to the aircraft striking vegetation and crashing.
Probable cause
The flight crew failed to gain sufficient altitude before encountering treetops in a mountainous region.