Accident Overview
A Piper Navajo Chieftain PA-31-350 (serial number 31-8252042) was conducting an instrument flight rules (IFR) flight from Sanikiluaq to Iqaluit in the Northwest Territories. The aircraft carried two pilots and two passengers.
Sequence of Events
After checking runway conditions and weather, the pilot began the takeoff run on runway 27. Following takeoff, the pilot observed flames emanating from the right engine cowl. The right engine was shut down, but the aircraft could not maintain a sufficient rate of climb. It subsequently crashed on flat, snow-covered terrain approximately one mile from the runway end. The aircraft sustained substantial damage during the landing. After coming to a stop, the occupants evacuated through the left front door and walked back to the airport terminal for shelter and assistance. No injuries were reported. The accident occurred at night in instrument meteorological conditions.
Probable Cause
The official investigation determined that a modification to the cabin heating unit, which was inconsistent with the manufacturer's recommendations and aviation regulations, caused an engine fire in the right engine cowl during the initial climb. The pilot shut down the engine, but the aircraft could not maintain a positive rate of climb and crashed.