Overview
A prototype bomber experienced a catastrophic engine failure during its 17th test flight, leading to the loss of the aircraft and the deaths of three crew members. The incident occurred near the town of Noguinsk, approximately 50 kilometers east of Moscow.
Flight Details
The crew was engaged in the 17th test flight of this prototype aircraft. No further details about the flight's purpose have been disclosed.
Accident Sequence
In flight, an engine separated from its mounting structure and fell off the aircraft. The sudden loss of the engine caused the bomber to go out of control and enter a dive. Before the aircraft impacted the ground, nine of the twelve crew members were able to bail out. The bomber subsequently crashed in a field located in Noguinsk.
Casualties
Three crew members lost their lives in the accident. The nine crew members who successfully evacuated the aircraft did not sustain any reported injuries, or their status is not specified.
Probable Cause
The official investigation determined the probable cause to be the physical loss of an engine in flight.