Related Clues:

• Have the pilots got inflated ideas of themselves?
• One are, perhaps, flying into 14 across
• Their work sounds plain, and there's plenty of it at last (6)
• They're fly enough to be windy fellows
• Are they flying for music in a masculine way?
• They guide one through the water and through the air
• 21 downs need them - plenty of them at last
• I get in the scheme for flight
• At last plenty of them work as a matter of course
• They're all so fly
• Those are fly boys
• They may get the wind up in a plain-sounding way
• I am involved with the schemes to guide the vessel
• Lots of pi for them
• They are licensed to fly