Ukrainian emergency situations ministry images from the scene of the South Airlines Antonov An-24 crash in Donetsk have identified the aircraft involved as a 40-year old airframe.
The ministry says 52 people, including eight crew members, were on board the aircraft (UR-WRA) when it crashed while landing after an internal flight.
It came to rest inverted with the empennage fractured.
The aircraft was originally delivered to Aeroflot but was later in service with Ukrainian operators including Windrose.
Forty-seven of those on board were rescued, says the ministry, with nine hospitalised with various injuries. Flight YG8971 came down after a service from the city of Odessa on 13 February.