11/30/2008. Remarks by Johan Visschedijk: "The Vinka was the result of a study for a replacement of the Saab 91 Safir. Research was started in late 1970 and Valmet received a development contract for a prototype was placed on March 23, 1973. Designated Leko-70, an abbreviation of Lentokone (Finnish for aeroplane) the prototype flew for the first time at Kuorevesi on July 1, 1975.
The Finnish AF ordered thirty aircraft, designated L-70 Vinka (a cold Arctic wind), on January 28, 1977. The pictured first production aircraft was flown on December 9, 1979, deliveries began in February 1980, the last was delivered in 1982. The type has been marketed as the L-70 Miltrainer, but no orders followed."