Designed by Swen Swanson the 1931 W-15 Coupe was a two-place cabin, high-wing monoplane, certified under ATC 2-312.
With a cantilever wing it was priced at $4,450, $4,985 with starter, battery and generator, lights, steel prop, added instrumentation.
One was built, registered NC10546 c/n 1.
The design carried on into the Swanson-Fahlin SF-1.
Engine: 110hp Warner Scarab
Wingspan: 34’4″ Length: 25’0″
Max speed: 125 mph
Cruise: 95 mph
Stall: 40 mph
Range: 625 mi
Seats: 2
All Aero 