Incident Overview
Date: Friday 14 January 1977
Aircraft Type: de Havilland Canada DHC-6 Twin Otter 300
Owner/operator: Northern Thunderbird Air
Registration Number: C-GNTB
Location: 3 km S of Terrace Airport, BC (YXT) –
ÿ Canada
Phase of Flight: Approach
Status: Destroyed, written off
Casualties: Fatalities: 12 / Occupants: 12
Component Affected: Aircraft structure and control surfaces.Aircraft structure and control surfaces.
Category: Accident

A Twin Otter aircraft was struck by a hill during a heavy snowstorm while on approach to runway 32. This resulted in damage to the aircraft.A Twin Otter aircraft was struck by a hill during a heavy snowstorm while on approach to runway 32. This resulted in damage to the aircraft.
Description
The Twin Otter was on approach to runway 32 when it struck a hill during a snow storm.
Primary Cause
Heavy snowstorm conditions and terrain conditions created a hazardous approach, leading to a sudden and unexpected impact.Heavy snowstorm conditions and terrain conditions created a hazardous approach, leading to a sudden and unexpected impact.Share on: