SALT LAKE CITY, Nov. 28, 2018 /PRNewswire/ -- American Autogyro International, Inc. (AAI) proudly announces the restart of production of the SparrowHawk III Quickbuild kit. In addition, AAI will ...
Express Aircraft has begun flight testing a turboprop-powered, retractable-gear development of its Series 2000 high-performance four-place kitplane. Meanwhile, gyroplane developer Groen Brothers ...
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