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.
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In 1948, after being withdrawn from use with the United States Army Air Forces, the aircraft was registered N46557 in the USA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.