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1. Bow Front of the vessel.
2. Stern Rear of the vessel.
3. Starboard Right side of the vessel.
4. Port Left side of the vessel.
5. Hull Body of the vessel.
6. Gunwale Upper edge of vessel's side.
7. Cleat Metal fitting on which a rope can be fastened.
8. Propeller Rotates and powers a boat forward or backward.
9. Beam Maximum width of a vessel.
10. Freeboard Distance from water to lowest point of the boat where water could come on board.
11. Draft Depth of the water needed to float a vessel.
12. Keel Main centerline (backbone) of a vessel or the extension of hull that increases
stability in the water.
13. Hull Body of a vessel; basic structure or shell.
14. Personal water- A small vessel that uses an inboard jet drive as its primary source of propulsion,
craft and is designed to be operated by a person or persons sitting, standing, or
kneeling on the vessel rather than inside the vessel.
15. Displacement A planing hull, when operated at very slow speeds, will cut through the water like
Mode a displacement hull.
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16. Plowing Mode As speed increases, a planing hull will have a raised bow, reducing the operator's
vision and throwing a very large wake. Avoid maintaining a speed that puts your
boat in plowing mode.
17. Planing Mode Your boat is in planing mode when enough power is applied so that the hull glides
on top of the water. Different boats reach planing mode at different speeds.
18. Bow Front of a vessel.
19. Length overall Length of the hull excluding any attachments.
20. Rudder Steering device, usually a vertical blade attached to a post at, or near, the stern of
the boat.
21. Stern Rear of a vessel
22. Flat Bottom Hull This planing hull has a shallow draft, which is good for fishing in small lakes and
Advantages rivers.
23. Deep Vee Hull This planing hull gives a smoother ride than a flat bottom hull in rough water.
Advantages
24. Round Bottom This typical displacement hull moves easily through the water even at slow speeds.
Hull Advantages
25. Multi Hull Advan- Another example of a displacement hull, the multi-hull has greater stability be-
tages cause of its wide beam.
26. Flat Bottom Hull Rides roughly and choppy in the waters.
Disadvantages
27. Deep Vee Hull Takes more power to move at the same speed as flat bottom hulls. May roll or bank
Disadvantages in sharp turns.
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28. Round Bottom Has a tendency to roll unless it has a deep keel or stabilizers.
Hull Disadvan-
tages
29. Multi Hull Disad- Needs a large area when turning.
vantages
30. Class A Less than 16 feet.
31. Class 1 16 feet less than 26 feet.
32. Class 2 26 feet less than 40 feet.
33. Class 3 40 feet to less than 65 feet.
34. Propeller Rotating device that turns and powers a boat forward or backward.
35. Tiller Lever used to turn a rudder to steer a boat.
36. Transform Vertical surface at the back of the hull.
37. Steering Control Means of controlling the steering nozzle.
38. Safety Lanyard Short cord for attaching the ignition safety switch to the operators wrist or
personal life vest.
39. Throttle Lever.
40. Starboard Right side.
41. Port Left side.
42. Fuel cap Where you put gas in on the left side of the seadoo.
43. Draft Depth of water needed to float a vessel.
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44. Intake Opening in the hull that draws water toward the impeller.
45. Intake grate Screening cover over the intake, which prevents large debris from entering.
46. Drive shaft The long stem connection between the motor and the impeller.
47. Impeller Device used to pump and force water under pressure through a steering nozzle
at the rear of the vessel.
48. Steering nozzle Device used for directing the stream of water to the left or right at the stern of the
PWC, which steers the PWC
49. Halyards Lines (ropes) used to raise and lower the sails.
50. Sheets Lines (ropes) used to control the angle of the sails to the wind.
51. Capsize To turn on the side or turn completely over.
52. Swamp To fill with water.
53. Transom Vertical surface at the back of the hull.
54. What is the maxi- 7 people or 1050 lbs.
mum person on a
sail boat
55. Bilge Interior of the hull below the floorboards; lowest part of a vessel's interior where
the sides of the vessel curve in to form the bottom
56. Coupler The part of the trailer that attaches to the ball hitch on a towing vehicle.
57. Figure Eight
Bend