Date & Time: Oct 13, 1979 at 1652 LT
Type of aircraft:
Scheduled Revenue Flight
Olenek - Saskylakh
Crew on board:
Pax on board:
The aircraft took off from Olenek Airport at 1651LT. While climbing to a height of 100-120 meters, the engine lost power. The captain decided to return for an emergency landing and initiated a turn to the left when the airplane stalled and crashed, one minute after takeoff. The aircraft was destroyed and all five occupants were injured.
It was determined that the loss of engine power was the consequence of the malfunction of the spark plugs due to an excessive accumulation of tetraethyl plumb.