Possible Clues:

• Plan ship's course
• With the van in reverse, I could get to the way in
• Negotiate access by retired Russian
• Guide ship or aircraft
• A vintage sort of sail?
• Negotiate via agent for sail
• Plan route (eg, of ship)
• Make one vain to find one's way over the barrier
• Guide (a vessel)
• Pilot, 'terrible' fellow for getting back to entrance