The Texan TC is a great aircraft to fly and learn on. It has wings, tail and a rudder and a fan in the front. It does good speed and is certainly more fun to fly than a Jab. RAA is only a questionable affair if your instructor/school/aircraft is sub-standard. Use it for the cheap flying, hour building, etc, then do a quick conversion to PPL/CPL plus a few endorsements. Cheapest way to learn to fly, as well as great fun. As others have said, study hard and make sure you get the basics down pat, it'll serve you well in the long run. There is no difference in the basic physics between a Texan TC and an airliner.
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