"Pilots will have to sign an employment contract. The employment contract will preclude them from taking a job with another air-taxi competitor company for at least one year after they leave us."
This is the only problem I see. How can you enforce this one? On what legal grounds, and for what reason. Anyone have some enlightenment? Maybe so you don't help the competition. That's like saying an airline pilot for a regional can't go to a major, or lateral for a better company