10/31/2009. Angus M. Fleming of AMF Microflight, Membury Airfield, Lambourn, Berkshire, started development of the Chevvron in 1981. Construction of the glass fiber-reinforced-plastic aircraft started in 1982, and powered by a 570 cc Konig four-cylinder two-stroke radial engine, it was flown late in 1983. Production ended in 1998 after forty aircraft had been produced.