I think you might open a can of worms here and get people fighting stuff out between themselves.
The best thing to do for marketing info is to contact the airline and ask them to send you a info or student info pack out. When I was doing a marketing alevel Virgin Atlantic sent me one and, this is rather sad, it was packed with some pretty cool stuff inside!
If you want to know pilots wages etc.
www.ppjn.com will answer your questions.