[1][2] After World War I, Comper stayed in what was then the Royal Air Force, and in 1920 he studied aerodynamics at Jesus College, Cambridge.

[3] In late 1926 he was posted to the Marine Aircraft Experimental Establishment (MAEE) Felixstowe to work on flying boats and seaplanes.

In March 1929, having reached the rank of Flight Lieutenant, he resigned his commission to pursue aircraft design ambitions.

[1][2] In April 1929, he formed the Comper Aircraft Company Ltd, based at Hooton Park Aerodrome near Ellesmere Port in Cheshire.

The single-seat trial version named the CF.1 Fly was built by students at the Chelsea College of Aeronautical Engineering at Brooklands Aerodrome.