How many people play sailing olympic games?

Inboard gasoline boats built after July 31st 1981 must have what kind of ventilation system? Maintaining a proper look out using a human sight and hearing applies to boats under what circumstances? Can a regular water heater be used on a boat? Why does your boat trailer fishtail? What sound signals will you hear if a sailboat is underway in the fog? How did sailors use astrolabes? Another name for submarine? What are two ways that the caravel was different from the other boats of its time? What is the biggest cruise ship? How long will it take to sail from NYC to London going 15knots? Why it is difficult to pull a boat on beach than in water? What does most insurance companies allow to install laminated flooring inside your house after a water leak? What size hp Snowthower is 123cc? When should i check for gas fumes? Why is hafu smelly? Was the 2003 fish master boat built with all fiberglass or fiberglass over wood? If grounded aboard a small power boat which is a method to help free yourself? What is the song that is playing in the movie Apocalypse Now as Martin Sheene is going up the river on the gun boat? Who actually sailed the ship in making of the movie Mutiny on the Bounty? A 14 ft boat operating under oars?