Well, I haven't heard 'em before:

Q: What is the ideal cockpit crew?
A: A pilot and a dog...the pilot is there to feed the dog, and the dog is there to bite the pilot in case he tries to touch anything.

Q: How many pilots does it take to change a light bulb?
A: Just one. He holds the bulb and the world revolves around him.

Q: How do you know if a pilot is at your party?
A: He'll tell you.

Q: How do you know when you are half way through a date with a pilot?
A: Because he says: "Thats enough about flying, let's talk about me"!

Q: What's the purpose of the propeller?
A: To keep the pilot cool. If you don't think so, just stop it and watch him sweat!