I was wondering if you only fly one airplane in the practice levels? I'm having trouble with beating some levels with the plane. It seems like it's too slow and not as maneuverable as the enemy planes and its getting a little frustrating. If you could help me out shareholder great. Thanks for your time.

The last two practice missions are difficult to complete with that plane, but not impossible.. keep at it!

Yes, chasing those robot planes is hard.
Much easier to get them first with head to head approach shots

Stick with it and find the right strategy , becomes quite easy then and it makes you a better pilot. Ain't no shortcut to aquiring skills. If you learn to complete all the missions it will make you a better pilot. Good luck sir.