IN the post‐war programme of Slingsby sail‐planes provision was made for the design of a 45 ft. span intermediate sailplane to be used for advanced training and as a general utility machine by gliding clubs. This machine appeared in the early part of 1949 and was named the Prefect; it has since been adopted by the R.A.F. as a standard training type under the designation of Prefect T.X. Mark I, Light Glider.
Reussner, J.C. (1950), "The Slingsby Prefect Intermediate Sailplane: A Replacement for the Grunau on Up‐to‐Date Lines with High‐performance Characteristics", Aircraft Engineering and Aerospace Technology, Vol. 22 No. 7, pp. 204-208. https://doi.org/10.1108/eb031925
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