sentences:  The first United States entry in a world aerobatics contest was a Great Lakes biplane that Frank Price of Texas took to Eastern Europe in 1960.During the 1960s Harvey Swack of Cleveland, Ohio, obtained the rights to the Sport Trainer design and all the factory drawings for it.Harvey then sold plans to homebuilders until 1990, when he sold off the plans business to Steen Aero Lab of Palm Bay, Florida.