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8 fatalities

Crew Loses Control During Training Flight Near Novosibirsk (CCCP-L1312)

Novosibirsk, RussiaFlight

On April 25, 1952, an Ilyushin II-12 (registration CCCP-L1312) operated by Aeroflot - Russian International Airlines was involved in an aviation accident near Novosibirsk, Russia in flight. 8 people were killed. Investigators recorded the probable cause as: The exact cause of the accident could not be determined with certainty. However, it was reported that the left engine was inoperative at impact and that the propeller was feathered, a configuration apparently intended by the crew and part of the training… This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 3 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Source recordUpdated 2026-07-04Data APIEditorial standards

During a local training flight from Novosibirsk-Severny Airport, the pilot-in-command lost control of the aircraft in poor weather with an inoperative left engine, resulting in a crash that killed eight and injured one.

Accident Overview

A local training flight ended in a crash several kilometers from Novosibirsk-Severny Airport. The aircraft departed at 1400 LT under poor weather conditions. Eight occupants were killed and one crew member was injured.

Weather and Flight

At the time of departure, weather conditions included an overcast ceiling at 200 meters, rain showers, visibility less than three kilometers, and icing conditions in clouds. The flight was intended as a training exercise.

Sequence of Events

While flying into clouds at an estimated altitude between 1,200 and 1,250 meters, the left engine was inoperative. The pilot-in-command lost control of the aircraft. It turned to the left, dove into the ground, and crashed in flames.

Investigation

The official investigation determined that the left engine was inoperative at impact and that the propeller was feathered. This configuration was apparently intended by the crew as part of the training program. The exact cause of the accident could not be determined with certainty.

Probable cause

The exact cause of the accident could not be determined with certainty. However, it was reported that the left engine was inoperative at impact and that the propeller was feathered, a configuration apparently intended by the crew and part of the training program.
Icing

Related events

Same operator

Frequently asked questions

What happened in the 25 Apr 1952 Ilyushin II-12 accident near Novosibirsk, Russia?

During a local training flight from Novosibirsk-Severny Airport, the pilot-in-command lost control of the aircraft in poor weather with an inoperative left engine, resulting in a crash that killed eight and injured one.

Were there any fatalities in the 25 Apr 1952 Ilyushin II-12 accident?

The accident was fatal, resulting in 8 fatalities.

What aircraft was involved and where did it happen?

The accident on 25 Apr 1952 involved an Ilyushin II-12, registration CCCP-L1312, operated by Aeroflot - Russian International Airlines, at Novosibirsk, Russia.

What was the probable cause of the accident?

The exact cause of the accident could not be determined with certainty. However, it was reported that the left engine was inoperative at impact and that the propeller was feathered, a configuration apparently intended by the crew and part of the training program.

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