C-13 designation was skipped for superstitious reasons so the next aircraft in the cargo/transport series, the Atlantic-Fokker (General) Model F.XIV, was assigned as the Y1C-14.
The Air Corps bought 20 Y1C-14's in 1931 that were basically the same as the Model F.XIV civilian aircraft. The plane featured a 59' span parasol high wing, a 525 horsepower Wright radial engine, a enclosed six passenger compartment, and an open cockpit set well back (about 30') along the fuselage.
The Y1C-14 was significantly larger than the C-11 or C-12, but could carry only a slightly larger payload. |
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Like most early cargo aircraft, the Y1C-14's were distributed one or two aircraft to many Air Fields rather than many aircraft at a few fields. The Y1C-14 was used in a relatively large number of test programs including parachute testing and as an automatic landing system test bed. As a transport plane, the Y1C-14 was less successful primarily because it was slower than other types.
When the Y1 subtype designator (indicating out cycle procurement) was dropped, all Y1C-14's were redesignated C-14 although there were no changes made to the aircraft.