When is a muffler required for a boat?

What is a tier of oars called? What is required to be carried aboard a 25 foot powerboat operating at night? How much is one allure of the seas ticket? When is he best time to check the fuel line connections when refueling a personal water craft? What is the front sculpture of a boat called? What useful information can be found on a capacity plate? When boating on a river you may encounter strainers what are stairs? If you see a red a green a white light on another boat what does this tell you? Why can't you use a regular home water heater in a mobile home? How long is the Avon Descent boat race? Why is driver seat on right side of boat? USCG requires that a 14 foot power boat carry what between sunset and sunrise? How much does a 86' domino by riva yachts cost? If 1 pint oil goes with 5 gallons gasoline how much oil into 2 gallons? EP-30 What should you do if your boat capsizes? What submersible was the first used to find the titanic? Carnival cruises own what other ship lines? How many decks on a cruise ship? What is fuel mixture for 150 hp 1984 mercury outboard? What is the fuel mixture for a 1984 15hp Johnson outboard motor?