Possible Clues:

• Last resort on reaching which former airline improves
• Something sailors (and others) don't want to be on
• The last word in mattresses on which we'll be completely out
• People wearing necklace, whereon they are distressed
• What someone destitute is on?
• Desperate on here, ceases to smile
• Deck support borders
• Live on compensation? Live poorly on these
• Live with reforms, on which one finds tribulation ...
• On them one might turn turtle as 15 across finishes, perhaps