Sperry SPL.45 Autopilot for General Aviation: A brief description of the SPL.45 autopilot and of its application to the Beagle 206‐S

The SPL.45 Autopilot has been designed by Sperry London to meet worldwide requirements for a modular autopilot which would fulfil the needs of a very wide range of aircraft from small business executive types, freighters and indeed a variety of aircraft up to, and including feeder liners.