Bellanca C-27A In 1933, the Air Corps ordered ten additional Bellanca Airbus aircraft based on the Y1C-27. These planes, designated C-27As, were similar to the Y1C-27s, but had a few notable differences. The first was the redesign of the interior to accommodate three additional passengers for a total of 13. Second, the Pratt & Whitney Hornet B radial engine was replaced by a more powerful Hornet B version with 100 more horsepower. The more powerful engine allowed the C-27A to carry a larger payload; however, it was only about five mph faster. In 1934, the C-27As were all modified and re-designated. One plane was fitted with a 675 hp. Wright Cyclone engine and designated C-27B. The nine others had a 750 hp. Wright Cyclone fitted and designated C-27C. Type Number built/ converted Remarks Y1C-27 4 Model SP-200 Airbus C-27A 10 Improved Y1C-27 TECHNICAL NOTES: Engine: Pratt & Whitney R-1860-19 Hornet B radial of 650 hp Maximum speed: 145 mph Cruising speed: 125 mph Range: 500 miles Service ceiling: 15,000 ft. Span: 65 ft. 0 in. Length: 42 ft. 9 in. Height: 11 ft. 6 in. Weight: 9,467 lbs. maximum gross weight. Crew: Two (pilot and co-pilot) Passenger capacity: 13 Serial numbers: Y1C-27, 32-399 to 32-402; C-27A, 33-18 to 33-27 Click here to return to the Cargo Aircraft index.