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 ...
Groen Brothers Aviation's Buckeye, Arizona-based subsidiary American Autogyro has flown its SparrowHawk two-seat, centreline-thrust kit-built gyroplane. The autogyro is also being offered ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results