The aging L-39 needed a replacement in combat roles, so the Czech aircraft design bureau, Aero/Let, designed the new L-159. Though outwardly identical to the venerable L-39, it was a whole new plane on the inside. The better engine made it faster, new weight distrubation made it smoother to fly, and it is much more advanced.
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This one took me about an hour to perfect, and it still isn't completely perfect. It's still a little too light...
