excellent book publishe d by kogan page, cant remeber exact title something like. toughest interview questions.
interview are as different as each person conducting them but there are certain basics.
look smart and tidy
good eye contact
talk clearly and audibly
smile
be ready for the stock questions... eg what can you offer us, why should we employ you, how would you change our operation and the not so expected ones like, did you get on with everyone in your last job.
dont answer questions with single words, elaborate, stimulate conversation.
dont lecture or preach, you may be about to change the course of aviation but wait till you have the job, dont try it on the interview!
remeber nobody likes a big head or a know all(read how to win friends and influence people by dale carnegie)
finally some advice from the ex-chairman of boots sir james blyth.
"i never employ anyone until i have looked in their car to see how tidy minded they are!