08/31/2010. Remarks by Johan Visschedijk: "Yves Chasle of Tarbes, France, was a stress engineer with Sud-Aviation (merged into Aérospatiale in 1970), and he designed and built the single-seat YC-12 Tourbillon (Whirlwind) that was first flown on October 9, 1965. Next he designed the tandem two-seat YC-20 Raz de Mareé (Tidal Wave) that was first flown in 1970.
In February 1973 Chasle started the design of the side-by-side two-seat Sprintair, a conventional all-metal low-wing monoplane, with non-retractable tricycle landing gear, flaps, one-piece horizontal tail surfaces with tab, and the cockpit is covered by a forward-hinged and jettisonable one-piece canopy, and has a rear-view transparent panel aft of seats. Power plant is an 100 hp Rolls-Royce Continental O-200-A four-cylinder horizontally-opposed engine.
Construction of the prototype began in the autumn of 1973, and it was built by some twenty members of the Leon Morane Club (hence the designation LMC-1), the aero club of SOCATA (the light aircraft subsidiary of Sud-Aviation/Aérospatiale) at Tarbes.
