Founded 1948 as Helio Aircraft Corporation to develop the
two-seat Koppen-Bollinger lightplane. Four-seat STOL
derivative Helio Courier entered production 1954. Superseded
by the H-391B, H-395 and H-395A Super Couriers
introduced from 1958. Helio H-250 and H-295 six-seat
utility aircraft flew in 1964 and 1965 respectively, and
were produced for both civil and military use; Super Couriers
in USAF service designated U-10. The H-550A Stallion
with turboprop engine followed. Helio was acquired
by General Aircraft Corporation in 1969 and renamed
Helio Aircraft Company, but the assets later acquired by
Helio Courier Ltd. (which produced H-295 Super and HT-
295 Trigear Couriers), Helio Precision Products and, in
1976, Helio Aircraft Ltd. In 1984 company bought by Aerospace
Technology Industries and in 1989 byAircraftAcquisition
Corporation; the latter re-formed company as Helio
Aircraft Corporation to produce Couriers and turboprop H-
550A Stallion, plus develop new piston-engined Courier 700 and turboprop-engined Super Courier, which did not
take place.
