Plans for home building were made available from the Harmon Engineering Company.
It is a mid-wing cantilever monoplane with a low-set tailplane and a fixed-tailwheel landing gear.
The prototype (N7UN) first flew in 1975 powered by a 60-hp (45 kW) 1200cc Volkswagen air-cooled engine.
In November 2014 one example was registered in the United States with the Federal Aviation Administration.
[1] Data from Jane's All The World's Aircraft 1976–77[2]General characteristics Performance