During start-up, this dual seat Su-25 experienced some troubles and the aircraft remained on the platform. The aircraft was delivered to the Bulgarski Voenno Vzdushni Sili (BVVS, Bulgarian Air Force) on 17 October 1987. It belongs to the 22 Shturmova Aviacionna Basa (22.ShtAB), 1/22 Shturmova Avio Eskadrila at Bezmer air base.