Which indicates an emergency situation aboard?

Which type of trailer hitch is best suited for a boat and its equipment weighing less than 2000 pounds? What type of system does Inboard gasoline boats built after July 31 1980 have? What vaccinations needed for eastern Caribbean cruise? Fuel to gas mixture 1992 70hp evinrude? Where can a repossession agent purchase a 'repo badge' for reasons of identification? Why were u-boats such an important weapon during the war? What is the recommended maintenance for a inboard boat? Is a boat sail a fixed pulley? What type of material is used to make a submarine? What is the name of a triangular shaped fore and aft sail commonly seen in the Mediterranean? What do you call a boat that is moved with a pole? In Georgia how often must you renew a boats certificate of number? What is a hull identification number? Where can you find a list of Mercury serial number identification? What is the legal age for driving a jet ski? What ports do gills cruises stop at? IF you are 14 and have a Vermont boating license can you boat in NH? From which part of the pleasure craft should you lower the anchor line? How do you use a bosun chair? Who owns ORAS yacht?