Incident: Calm AT72 near Rankin Inlet on Jul 21st 2020, engine shut down in flight

A Calm Air Avions de Transport Regional ATR-72-200, registration C-FULE performing flight MO-740 from Rankin Inlet,NU to Pond Inlet,NU (Canada) with 2 crew on board, was enroute about 200nm north of Rankin Inlet when the crew heard a “thump”, the aircraft yawed, the left hand engine torque dropped to zero and a Master Warning associated with a #1 Engine Oil indication occured. The crew worked the related checklist and shut the engine down, declared emergency and returned to Rankin Inlet for a safe landing.

The Canadian TSB reported maintenance determined the engine needed to be changed.