How long would it take to sail the whole of the Thames?

In Florida If your personal watercraft is equipped with an engine cutt off lanyard what must you do with it? Mercury Marinewhat is the ratio of bravo 1 outdrive? Tilt and trim problems on 50hp mercury? You see a white buoy with an orange crossed diamond and black lettering. What does this marker tell you? What do green and white lights mean on a boat at night? What are the disadvantages of hovercraft? Did the vikings get put in a boat when they died and did the boat get set on fire and get put to sea? How do you get submarine disqualified? What Boeing manufacturing plant in South Carolina makes parts for which aircraft? When on board and facing a bow of a boat where is the port side? What is the fuel mixture for a wards sea king 3 model GG8962B? Who invented the first speedboat? When facing the front of a boat where is the stern? What is the gas ratio for craftman 14 chainsaw model? What does a periscope look like? What is the name of the part of the ship the captin stears the boat? What must you do when anchoring and night? How do you remove the cowl from a 1965 mercury 9.8 outboard? Why should bilges be kept clean of free of trash? How fast will a 15.5ft fiberglass tri hull go with a 60hp outboard?