Swift Aircraft Sport

One Swift Aircraft Corp Sport was built, in 1929, registered NX4647 c/n 1000. It was a two-place open cockpit biplane.

Engine: 100hp Kinner K-5
Wingspan: 29’0″
Length: 21’3″
Useful load: 618 lb
Max speed: 115 mph
Cruise: 100 mph
Stall: 38 mph
Range: 620 mi

Engine: Wright J-5
Useful load: 620 lb
Max speed: 132 mph
Cruise: 115 mph
Stall: 41 mph
Range: 600 mi
Seats: 2

Swanson-Freeman SF-4

Swanson-Freeman SS-4 N3522

The 1923 Swanson-Freeman SS-4 N3522 c/n 4 was designed by Edgar Freeman and Swen Swanson as a two-place open cockpit biplane with I-struts and dual controls.

The first flight was on 11 November 1911, piloted by Ellred Callender.

It was still on the active register in 1936.

It was seen c.1928 as Span Wings 32 with a90hp Curtiss OX-5 engine and registered NX3522, but with no explanation for that model designation.

It was last known stored in a museum near the University of South Dakota.

Engine: 80hp LeRhône
Wingspan: 28’0″
Length: 21’7″
Useful load: 570 lb
Max speed: 95 mph
Stall: 35 mph
Seats: 2

Swanson Airplane Co SS-3

In 1922 Swen Swanson built the Swanson SS-3 single-place, open cockpit biplane with an all-wood monocoque fuselage.

The SS-3 first flew on 24 September 1922, piloted by Vern Roggers.

The design evolved into Lincoln Sportplane when Swanson went to Lincoln-Standard Co.

Engine: 28hp Lawrance
Wingspan: 18’9″
Length: 15’0″
Useful load: 200 lb
Max speed: 90 mph
Stall: 40 mph
Seats: 1