The PIK-20 is a Standard Class sailplane designed at the Helsinki University of Technology by Pekka Tammi with advice from Ilkka Rantasalo and Raimo Nurminen. The prototype first flew in October 1973. It was produced initially by Molino Oy who were taken over by Eiri-Avion Oy (Currently Eirikuva Oy between 1974 and 1980.
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