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

How does one sell shipwreck coins? What sound signals tells another boater that you wish to pass them on your port? What must you do yo maintain steerage on a personal water craft? Which pleasure craft are all boaters restricted from wearing pfd? What company owns the Carnival Conquest ship? What side of a plane has a red light? How many minutes should I blower be operated before starting an engine? What is a periscope used for? Which jaws actor says you're going to need a bigger boat? What color indicates starboard? Is an overtaking boat always gives way to the bot being overtaken? What boats do you paddle? A PWC capsizes. What is the best way to roll the PWC to turn it upright Roll the PWC in direction of the sun. Roll the PWC to head north. Roll the PWC to head south. Roll the PWC according to the deca? What is fuel mixture for evinrude 8 hp? What factor determines a vessel's requried equipment? Would traviling through the rain forest be easier by boat or by car? When must navigation lights be on a boat? When a submarine dives to a depth 500 m how much pressure in pa must its hull be able to withstand how many times larger is this pressure than the pressure at the surface? How much does it cost to buy a jacuzzi? What is sailing price?