Related Clues:
- See 4
- See 22
- Navigational aid, with top missing, is still in use
- Taking a drink about four is vital
- Quick to do a bad turn
- In being quick
- Head comes off optical instrument, but it's still going
- Surviving when on-board equipment doesn't show south
- Top aid for sailor surviving
- Active - living
- Quick - breathing
- Existing - vigorous
- "Stayin' ___" (disco hit)
- Kicking companion?
- Word repeated in Duran Duran's 'Rio'