At least four people died when an SM 2000 turboprop plane crashed during a training flight in Russia, an official said.
The plane crashed in central Russia's Kaluga region on Friday.
Four people died -- a woman and three men, the official said.
The SM 2000 is a light multipurpose six-seat single-engine aircraft, able to cover distances of up to 1,600 km. It is produced by the Smolensk Aircraft Plant in western Russia.