Possible Clues:

• Experimental flyer
• One who is often up for trial
• Aircraft inspector, of a sort
• One whose examination starts in a taxi?
• Try out twice as highflying expert
• Boeing employee
• Chuck Yeager, at one time (2 words)
• One up for trial?
• Brave flyer (2 words)
• Pole is three times wounded — he takes high risks