MOSCOW, February 27 - RAPSI. A pre-trial investigation into Boeing 737 crash in the city of Perm in 2008 has been prolonged until August, said Trunov, Aivar & Partners law firm, which represents victims relatives.

Aeroflot-Nord Boeing 737-500 crashed in Perm on September 14, 2008. All 88 passengers were killed.

Investigators consider the aircraft captain to be responsible for the crash.