Boeing-Stearman Kaydet - list of versions:
Model X70 - prototype
NS-1 - aircraft for basic USN training
N2S-1 - similar to PT-17 for the navy
N2S-2 - PT-13A navy
N2S-3 - N2S-2 with another engine
N2S-4 - similar to PT-17
N2S-5 - identical to PT-13D
PT-13 Kaydet - basic training aircraft, Lycoming engine
PT-13A Kaydet - more powerful engine, in the Navy as N2S- 2
PT-13B Kaydet - other engine
PT-13C Kaydet - PT-13B modified for instrument flight
PT-13D Kaydet - unified variant for army and navy (N2S -5)
PT-17 Kaydet - Continental engine, similar to N2S in the Navy -4
PT-17A Kaydet - PT-17 modified for instrument flight
PT-17B Kaydet - several machines adapted for aerial spraying
PT-17C Kaydet - prototype PT-13D
PT-18 Kaydet - motor Jacobs
PT-18A Kaydet - PT-18 modified for instrument flight
PT-27 - PT-17 variant for Canada, some with a closed cabin
Model 73L3 - export version of NS-1 for the Philippines
Model A73B1 - export version of NS-1 for China
Model A73L3 - export version of NS-1 for the Philippines
Model A75L3 - export version PT-13A
Model A75B4 - export version of PT-17 for Venezuela
Model A75N1 - export armed version of the PT-17 for Peru
Model 76B4 - export variant with covered engine for Venezuela
Model 76D1 - for Argentina and the Philippines
Model 76D3 - for the Philippines
Model A76C3 - for Brazil
Model B76C3 - for Brazil, cameras
Source:
www.personal.psu.edu
www.personal.psu.edu
http://www.uswarplanes.net/pt13pt17.html
Model X70 - prototype
NS-1 - aircraft for basic USN training
N2S-1 - similar to PT-17 for the navy
N2S-2 - PT-13A navy
N2S-3 - N2S-2 with another engine
N2S-4 - similar to PT-17
N2S-5 - identical to PT-13D
PT-13 Kaydet - basic training aircraft, Lycoming engine
PT-13A Kaydet - more powerful engine, in the Navy as N2S- 2
PT-13B Kaydet - other engine
PT-13C Kaydet - PT-13B modified for instrument flight
PT-13D Kaydet - unified variant for army and navy (N2S -5)
PT-17 Kaydet - Continental engine, similar to N2S in the Navy -4
PT-17A Kaydet - PT-17 modified for instrument flight
PT-17B Kaydet - several machines adapted for aerial spraying
PT-17C Kaydet - prototype PT-13D
PT-18 Kaydet - motor Jacobs
PT-18A Kaydet - PT-18 modified for instrument flight
PT-27 - PT-17 variant for Canada, some with a closed cabin
Model 73L3 - export version of NS-1 for the Philippines
Model A73B1 - export version of NS-1 for China
Model A73L3 - export version of NS-1 for the Philippines
Model A75L3 - export version PT-13A
Model A75B4 - export version of PT-17 for Venezuela
Model A75N1 - export armed version of the PT-17 for Peru
Model 76B4 - export variant with covered engine for Venezuela
Model 76D1 - for Argentina and the Philippines
Model 76D3 - for the Philippines
Model A76C3 - for Brazil
Model B76C3 - for Brazil, cameras
Source:
www.personal.psu.edu
www.personal.psu.edu
http://www.uswarplanes.net/pt13pt17.html