Related Clues:
- Sitcom test-runs
- Fighter heroes
- Test shows
- Amelia Earhart and others
- Plane folks?
- Fliers or guides
- They fly planes or guide ships
- Aviators
- They guide ships in and out of harbours
- Aviators and ships' guides
- They fly aircraft and guide ships into harbour
- They are licensed to fly aircraft
- At work they have an air about them - many of them, at last
- Their work sounds plain, and there's plenty of it at last (6)
- They guide one through the water and through the air