Saratov Airlines has publisjed the list of a crew of the passenger jet that crashed in Moscow region on Sunday afternoon.
The second pilot is said to be Sergey Gamboryan, ethnic Armenian.
According to the latest reports, fragments of 50 bodies were found at the site. There were 70 on board.
An 148 passenger jet crashed near the village of Stepanovskoye several minutes after leaving Moscow's Domodedovo airport.
Saratov Airlines flight 6W703 was flying to the city of Orsk.
Among possible causes of the crash may be a technical malfunction, in particular explosion of one of the engines.