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Boeing-Stearman Kaydet
N68461 N746BJ
Platzer Kiebitz
N46557 Boeing-Stearman A75N-1 Kaydet c/n 75-3150 - USAAF '643' - Flugplatz Diepholz-Dümmerland in Germany - 22 May 2022 Flugplatz Diepholz (ETDN)

The Boeing-Stearman Model 75 "Kaydet" two-seat biplane is a primary trainer. The Stearman Model 75 was evolved from the Stearman Model 6 or YPT-9 Cloudboy as a private venture by the Stearman Aircraft Company of Wichita. Model 73, the prototype of the Kaydet flew first on 26 November 1934. The Kaydet became a success: it was ordered by the U.S.Navy and the U.S.Army for use as a trainer. The Navy named the Boeing 75 the NS-1, later evolved into the N2S series. The Army aircraft was the PT-13, later evolved into the PT-17 and PT-18. The Kaydet variants were sold for military and civilian users outside the USA to countries like Canada and China. Boeing built 8584 Model 75 in all versions, plus the equivalent of 2000 more in spares. Lloyd C. Stearman founded the Stearman Aircraft Company in 1926. In 1929 Lloyd Stearman sold his company to the 'United Aircraft and Transport Corporation'. In September 1934 the group was split up and Boeing Air Transport, pulled out of this group and took the Stearman Aircraft Company with it as wholly owned subsidiary. The Boeing-Stearman Model 75 and its variants were manufactured by the Stearman Aircraft Company in Wichita, Kansas from 1934 through 1945. In 1938 the Stearman Aircraft Company became the Stearman Aircraft Division of the Boeing Aircraft Company. Generally, all the Stearman Kaydet airframes built are the same with the only major difference being the engine installed. Due to the Kaydet's solid construction and reliable low speed handling, after the war over 2000 airframes were converted for agricultural spraying.
The ICAO Aircraft Type Designator for the Boeing-Stearman A75N1 Kaydet is ST75.

Boeing-Stearman A75N1 Kaydet s/n 75-3150 was built in 1944. The bi-plane served with the U.S.A.A.F. as 41-25643. In 1948, after being withdrawn from use with the United States Army Air Forces, the aircraft was registered N46557 in the USA with a privat owner in Florida. Until the end of 1971, the aircraft remained registered with this owner. In 1978, A75N1 Kaydet N46557 was registered with a privat owner in Illinois. On 12 January 1987, the N46557 was registered with a privat owner in Texas. On 12 October 1998, the aircraft was registered with a privat owner in New York. All these years Boeing-Stearman A75N1 Kaydet N46557 stayed in the USA. On 20 November 2003, the N46557 was registered with Egmond Aircraft LLC in Delaware. Although registered in Delaware, the N46557 moved to Europe. In service with Egmond Aircraft LLC, the markings '643' were added. On 28 November 2016, the N46557 was registered with Tsaire Inc. in Delaware. As before the bi-plane is based in Germany.
On 22 May 2022, during the 2022 Fly-in at Flugplatz Diepholz-Dümmerland (ETND), Boeing-Stearman A75N1 Kaydet N46557 was seen in U.S.A.A.F. '643' colors.

page last updated: 07-07-2022
Copyright © Jack Wolbrink, Emmen, the Netherlands

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