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Boeing-Stearman Kaydet PT-13 / PT-17 / PT-18 / NS-1 / N2S (Model 75)

Boeing Stearman E75 PT-13DN © Karsten Palt
Photo ©: Karsten Palt

Kaydet PT-13 / PT-17 / PT-18 / NS-1 / N2S (Model 75)


The Stearman Model 75 Kaydet is a single-engine two-seat trainer biplane aircraft produced by the US-American manufacturer Stearman Aircraft Company and later by the Boeing Airplane Company. PT-13 / PT-17 / PT-18 were the main-variants used by the USAAC, NS-1 and NS2S for the US Navy.
Propulsion1 Radial Engine
Engine ModelLycoming R-680-17
Engine Power164 kW220 hp
Speed200 km/h108 kts
  124 mph
Service Ceiling3.414 m11.200 ft
Range813 km439 NM
505 mi.
Empty Weight878 kg1.936 lbs
max. Takeoff Weight1.232 kg2.716 lbs
Wing Span9,80 m32,2 ft
Wing Area27,6 m²297 ft²
Length7,63 m25,0 ft
Height2,79 m9,2 ft
First Flight26.11.1934 (Model 73)
Production Statusout of production
Total Production>10000
Data for (Version)Boeing Model E-75 (N25-5)
VariantsPT-13, PT-13A, PT-13B, PT-13C, PT-13D, PT-17, PT-17A, PT-17B, PT-18, PT-18B, PT-27, NS-1, N2S-1, N2S-2, N2S-3, N2S-4, N2S-5
The Stearman 75 Kaydet was used by the US Army Air Corps and the US Navy as a primary/basic trainer aircraft. After WWII many Stearman 75 were used as crop-duster aircraft due to their slow and low-level flight capability.

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