[1][2] Conceived as a motor glider and sport touring aircraft, the RF 4 was introduced in 1966.

[3] An RF 4D was flown by Mira Slovak across the Atlantic Ocean while participating in the May 1969 Daily Mail Trans-Atlantic Air Race.

The flight won a £1,000 prize offered by the London Evening News for the best performance in the race by an aircraft under 5,000 lb (2,268 kg) gross take-off weight.

[3] The main landing gear fork is an ongoing maintenance issue, with regular replacements needed.

[4] Data from In the Air:Number 230:Fournier RF 4D and Plane and Pilot[3][6]General characteristics Performance