The Stephens
Akro is
a single engine monoplane designed
in the United
States for
aerobatic competitions. It
first flew in 1967 and
proved very successful,
leading to several
developments of which one
won seven US Championships
and one World Championship
between 1975 and 1982. The Extra
EA-230 and Extra
EA-300 were
also Akro developments with
over two hundred built.
SOURCE:
Wikipedia
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