Aeroflot Flight 068

On 16 March 1961, the Tupolev Tu-104B operating this flight crashed shortly after take off from Koltsovo Airport due to engine failure.

At the time of the accident, the aircraft had sustained a total of 1,600 flight hours and 789 takeoff and landing cycles.

1 in an attempt to determine if it was the source of the shaking, but he inadvertently pulled the throttle lever too far back, shutting down that engine.

Searching for a suitable place to set down, the crew choose to make an emergency landing on a frozen pond 9,200 metres (9.2 km; 5.7 mi; 5.0 nmi) from the airport.

Still moving at speed, the aircraft struck trees near the shore and continued on, destroying part of the ground floor of a two-story vacation home, killing two people inside.

2 suffered a contained failure and determined the main cause of the accident was the fracture of blade number 54 in the second stage of the turbine section.

СССР-42403, a Tupolev Tu-104B similar to the accident aircraft
An example of a turbojet turbine blade. The blade of the accident aircraft fractured at its root, shown here at the bottom of this image