When arriving at a navigation lock what is the order of priority for a boat?

What is the value of a 1995 buccaneer mobile home? What octane gasoline should you use in your mercury 225 efi? What is the command for dive on a submarine? What does it mean when a boat swamps? Where could one find reviews for the Norwegian Star Cruise Ship? How long does it take to build a swamp barge drilling rig? What is compression of a Johnson outboard? Where can you find manuals and specs for Fleetwood Prowler Regal 355F 5th wheel travel trailer? What is rain on a sunny day called? What was the brand name boat and motor sears sold in the fifties? What was the lifeboat that was captained by Hudson? The deep V hulls operate best on what type of water conditions? What is a giveaway boat? What does a sailing ship look like? How many oars does a rower in a sculling boat use? When was Boatmen's Bancshares created? What pulley systems are used on a sailboat? When boating if you see a blue and white International Code Flag A (or Alfa flag) what distance away from the displayed flag should be maintained? Where is the best place to put PFDs while you are out of your boat? How old is a Johnson outboard motor model number 6R75R serial number J4165531?