The Consolidated O-17 Courier (company designation Model 2) was an observation and training aircraft used by the United States National Guard.

A parallel development to the Consolidated PT-3 series, the XO-17 was a converted PT-3 with such refinements as improved fuselage streamlining, oleo shock absorbers, wheel brakes, balanced elevators and increased fuel capacity.

[2] The O-17 had a removable fairing (carrying a Scarff ring mounting for one .30 cal (7.62 mm) trainable Browning machine gun).

[2] It was later fitted with the experimental Packard DR-980 Diesel engine of 225 hp (168 kW).

[1] The Model 15 was also an O-17 type airframe fitted with a Pratt & Whitney R-1340 engine.