Former Soviet Army Aviation Mi-24P with manufacturer date 25 March 1986. Was sold to Ukraine Army Aviation 6 December 1991. Transferred as CH-637 to the Sri Lanka Air Force on 12 June 2001, assigned to 9 Attack Helicopter Squadron at Hingurakgoda. It made its last flight as such on 12 October 2007 with 1,466 flight hours in the logbooks and stored at its homebase. Although not operational anymore, reserialled to SAH-4413 by 2011. And it again received a new serial, SAH-637 by 2012. In the meantime moved to the Aircraft Engineering Wing at Katunayake, seen here in a less condition.