Downeast Airlines Flight 46
Downeast Airlines Flight 46 was a scheduled airline service in the United States from Boston's Logan International Airport to Rockland, Maine, operated by Downeast Airlines. On May 30, 1979, the de Havilland Canada DHC-6 Twin Otter operating the flight crashed during a nonprecision approach to Rockland's Knox County Regional Airport.
Source: Wikipedia — Downeast Airlines Flight 46 (CC BY-SA 4.0)