Possible Clues:

• If you want to get 33 acrosses into the ship, that's what it will make 'em do, by the sound of it (6)
• Board sends noted physician to Arkansas
• Measure exterior of tree for board production
• To get the dogs on board will make 'em do this, by the sound of it
• Set sail, direction, Frenchman's Bay
• Board's rating covers business degree
• Get the dogs on board and listen to the sound of 'em
• Start out
• Set out on journey
• Go on board, boat or plane