and excellent stability in a training aircraft. why aren't all trainers built like this? i don't know for sure but maybe it's the construction. to give you an idea of what's involved in building a wing like this, stand with your arms outstretched with your palms turned down, now raise your arms for dihedral, bring them forward for the sweep and now twist your palms so that your little fingers are above your thumbs. great fun, and the cause of many sleepless nights trying to figure it all out. well worth it in the end though when you see it flying