Berger BX-50 / BX-50A


Berger BX-50 (Switzerland) was a single-seat light helicopter flown in prototype form in the 1970s. Powered by a 67kW Continental C90 flat-four engine.

M.Taylor "Jane's Encyclopedia of Aviation"

The first-flight date in the above information is wrong. First flight trial took place March 16th, 1961. Prototype was seriously damaged after another series of tests around the mid-60's.