FSX Lavochkin La-9 fighter. The Lavochkin La-9 was the draw near mighty of the Lavochkin piston fighters. ripening of the Lavochkin La-9 began in 1945. It was a follow-through of the La-7 which was a proved fighter at the time. The La-9 had an all metall construction. The wings were fairly to a greater extent cut-off at the tips or else of the to a greater extent oval tips of the previous fighters. The new fighter, entered merchandise in swaggering 1946. A total of 1,559 aircraft were built by the end of merchandise in 1948. airplane heaven freeware upgraded to FSX by A.F.Scrub.