Possible Clues:

• It makes perfect tribute on radio
• The full crew sounds salute
• Go with flattery when conversing
• Companion's flattering remark heard
• Whole number
• Remark about exercise involving fifty members of crew
• Place for sweetheart in debate offering the full amount
• Companion ticket that's free allowed people to come in
• This number on board will get audible words of appreciation
• Audibly congratulate ship's crew