A Sukhoi Su-27 military aircraft crashed on Monday in the Russian Far East, both pilots have been evacuated alive, a representative of the Ussuriisk Aircraft Repair Plant said. "The pilots are alive and have been evacuated. They are currently undergoing a medical check-up," the source said. The plane crashed at 1.30 pm local time (02.30 GMT) and the flight was the aircraft`s first test run after undergoing repair work at the plant, the representative said. A representative of the Russian Defense Ministry said the plane went up in flames, but there were no injuries. The pilots were from the Russian Air, he added. A source in the local security services earlier reported that a military plane that had taken off from the Vozdvizhenka aerodrome in the Far Eastern Primorsky territory had crashed. Russia`s emergencies ministry has confirmed the accident.