What is the duty of a mooring master in shipping?

On power-driven vessals what are the navigation lights? Three masted ship? When sailboat overtakes a power boat which vessel is the stand on vessel? Where on boat are registration numbers? What is the year of my 25 hp evinrude 'E25RCNB? Which law prohibits boaters from tampering with navigational aids or marker buoys? There were 14 boats and 42 people registered for a boat race Which ratio accurately compares the number of people to the number of boats? How often is the Americas cup held? How can you Decipher mercury outboard serial number 4266564 650? Ihave a 9.8hp mercury outboard with a serial number 3264908 what year was this made? What does the hull do on a boat? Hot water heater the we just rerouted from bathroom to attic isn't filling... no leaks and cold water works and the tank will only fill when cold water is going ... anyone know anything about that? How many cruise ships set sail daily? How do you flush a 1974 40hp Johnson outboard? Why can you anchor a boat from its stern? When towing a person behind a pwc which does not meet a specific legal requirement for pwc? Is boat insurance mandatory in Arizona? What is the proper spark plug gap for a 1993 20 HP Mercury outboard? What side of a boat is the port and the starboard? How do submarines withstand deep sea pressure?