Related Clues:

• IAD touchdown
• Tub stopper?
• ''Cease!'' at sea
• Abbr. at LAX
• Terminal monitor listing, for short
• ''Stop,'' on the water
• Incoming (abbr.)
• Order on the water
• Musical score abbr.
• Captain's call
• ''Halt, salt!''
• Sinbad's ''Stop!''
• SFO datum
• Check from a deck?
• ''Cease!'' on the seas