Swanson Airplane Co. formed 1930 by S.S. Swanson, who had helped produce Swanson-Freeman biplane and later designed for Lincoln-Standard. Depression killed Swanson Coupe light 2-seat cabin monoplane (1931). In 1934 Sven Swanson developed Coupe into unnamed prototype built by Nicholas-Beazley, which in turn was basis of Fahlin Plymocoupe, Pobjoy R engine being replaced by Plymouth car engine.

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