What do you call a boat without keel pointed at both ends?

In navigation rules what is the duty of the stand-on boat? if you you were on a brig what kind of vehicle would you be riding? What activity is prohibited for persons on board a vessel? Which companies offer boat insurance? Where can one buy a Yamaha jet ski? Did any slaves escape from boats? What is a boat used to deepen a river or sea bed for shipping to use? What does the stern of A BOAT DO? What should you do when you see green buoy? How old is mariner 5hp 6E3 S 158539? Ropes holding up the sails on a boat? Where could one go to rent a yacht? What is the requirement for children under the age of 13 while underway in an open vessel on federally contolled waters? What is the oil fuel ratio for polaris SL780 jetski? Have a 4.3 om cobra boat motor ignition wont start but can jump wires on solenoid and will turn over? What side of the boat is called the stern? What could happen on a boat? What is the weight of a 1975 model 85 hp Johnson outboard motor compared to a 1990 model 140 hp Johnson outboard motor? If you see a red a green and a white light on another boat what? What is the weight of a 125 hp force outboard motor compared to 150 hp V6 Johnson outboard motor?