Ball S-T

The Ball S-T two-place open cockpit biplane was built by Clifford Ball, Bettis Field, McKeesport PA., in 1928.

Only one was built, registered N826E c/n 1, it was sold on 3 November 1930 to Pennsylvania Air Lines as a student trainer. The registration expired on 5 December 1932.

Engine: Velie M-5, later Lambert
Seats: 2

Bal-Aire BA

The 1960 Bal-Aire BA single-place open cockpit biplane was designed and built by UAL pilot Ballard Leins over a two-year period.

With wooden wings, steel tube fuselage and registered N4951E, it cost $2,100.

Engine: 150hp Franklin 6A4-150
Wingspan: 21’0″
Length: 17’6″
Useful load: 300 lb
Max speed: 125 mph
Cruise: 110 mph
Stall: 55 mph
Seats: 1