K-factor
Pilot ProficiencyOver, Under, Sideways, Down: The Art and Science of Aerobatic Flight
Flying a clean aerobatic competition with no outs and no zeros can be just as satisfying as winning.
Tim Just![](https://www.flyingmag.com/uploads/2022/11/BE2I2358e-1.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
![](https://www.flyingmag.com/uploads/2022/09/Pilot-and-copilot_adobe-stock-rs.jpg?auto=webp&auto=webp&optimize=high&quality=70&width=1440)
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