On October 23, 1991, a PZL-Mielec AN-28 (registration CCCP-28924) operated by Aeroflot - Russian International Airlines was involved in an aviation accident near Shelopugino, Russia during landing or approach. No fatalities were reported. Investigators recorded the probable cause as: The aircraft's rapid descent and subsequent runway impact were caused by the crew reducing engine power to idle at a low altitude. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).
An aircraft sustained heavy damage after a rapid descent caused the airframe to strike the runway surface during its final approach.
What happened
During the final stage of the flight, while maintaining an altitude of approximately six metres, the flight crew decreased engine power to idle. This reduction in thrust resulted in a sudden and rapid descent of the aircraft. The impact with the runway surface was characterized by a significant positive acceleration of 4.25 g.
Despite the force of the impact, all 13 occupants were able to evacuate the aircraft without sustaining any injuries. The aircraft itself suffered extensive damage during the event and was subsequently declared a total loss.
Findings
The primary factor in the descent was the reduction of engine power to idle during the final segment of the flight.
The sudden loss of thrust led to the rapid sinking of the aircraft into the runway.
Probable cause
The aircraft's rapid descent and subsequent runway impact were caused by the crew reducing engine power to idle at a low altitude.
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