On August 20, 1951, an Antonov AN-2 (registration CCCP-N566) operated by Polyarnaya Aviatsiya was involved in an aviation accident near Yakutsk, Russia during takeoff. One person was killed. Investigators recorded the probable cause as: Loss of control caused by locked ailerons. The crew failed to prepare the flight properly and started the takeoff procedure with locked ailerons. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 1 related events involving the same aircraft type or operator are linked below.
A single-engine aircraft crashed into the Lena River shortly after takeoff near Yakutsk, Russia. The aircraft banked sharply and nosed down before plunging into the water. All four crew evacuated, but the flight engineer drowned. The probable cause was loss of control due to locked ailerons.
Accident Description
A single-engine aircraft departed from an area along the Lena River in the Yakutsk region. While climbing to an altitude of 50 to 60 meters, the aircraft banked left to 65 degrees and pitched nose-down to 25 degrees. It then plunged into the Lena River approximately 200 meters from the shore. All four crew members successfully evacuated the cabin, but only three reached the shore. The flight engineer drowned.
Probable Cause
According to the official investigation, the probable cause of the accident was loss of control due to locked ailerons. The crew failed to properly prepare for the flight and initiated the takeoff procedure with the ailerons locked.
What happened in the 20 Aug 1951 Antonov AN-2 accident near Yakutsk, Russia?
A single-engine aircraft crashed into the Lena River shortly after takeoff near Yakutsk, Russia. The aircraft banked sharply and nosed down before plunging into the water. All four crew evacuated, but the flight engineer drowned. The probable cause was loss of control due to locked ailerons.
Were there any fatalities in the 20 Aug 1951 Antonov AN-2 accident?
The accident was fatal, resulting in 1 fatality.
What aircraft was involved and where did it happen?
The accident on 20 Aug 1951 involved an Antonov AN-2, registration CCCP-N566, operated by Polyarnaya Aviatsiya, at Yakutsk, Russia.
What was the probable cause of the accident?
Loss of control caused by locked ailerons. The crew failed to prepare the flight properly and started the takeoff procedure with locked ailerons.
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