Possible Clues:

• Set sail, direction, Frenchman's Bay
• Board's rating covers business degree
• Board me up with some bit of tree
• Get me back to shout 'go on board'
• Get on board with European doctor on rescue vessel
• Start a voyage
• Prepare for cruise with letter on outside of trunk
• Board a vessel
• The setter, backing what setters do, set out
• Space in front of bay to take ship