De Havilland DHC-6 Twin Otter crash, Nov 1, 1979 (3 killed)
De Havilland DHC-6 Twin Otter accident on November 1, 1979 near Big Trout Lake Ontario, Canada with 3 fatalities.
- Date: November 1, 1979
- Aircraft: De Havilland DHC-6 Twin Otter
- Location: Big Trout Lake Ontario, Canada
- Fatalities: 3
- Phase of flight: Approach and landing
On final approach to Big Trout Lake in poor weather with visibility below minimums, the Twin Otter struck an NDB tower and crashed. Both pilots and one passenger were killed; nine other occupants were injured.