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Related Flashcards
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Cards In This Set
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What two ways can tugs be tied up to the ship?
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1) Attached to bow & stern 2) Only bow attached(used to push or pull)
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15 - 30 knots of wind is equal to how much current?
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1 knot of current
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What are tides?
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Movement of water caused by gravitational interactions.
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What are two narrow channel effects?
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Bank cushion (bow away from bank) and bank suction (bow towards bank-Venturi effect)
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What is the hawsepipe?
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Opening in forward freeboard of ship where anchor is located.
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What is the freeboard?
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Freeboard is the hull above the waterline.
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Where is the stem located on a ship?
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Forward most part of bow.
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Where is the truck located?
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Highest transverse beam on mast used for apparent height
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Where is the transom?
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At the aft most part of ship where the ship's name is stenciled.
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What is the purpose of the bilge keel?
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To provide stability.
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What is painted on the lower hull of the ship?
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Waterline, and navigational draft markings (shows the lowest point of ship to avoid collision with ground)
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What two forces are involved with ship handling?
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Controllable and Uncontrollable.
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What are some controllable forces?
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Propeller, rudder, bow thruster/APU, mooring lines, anchors, tugs
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What are some uncontrollable forces?
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Wind, current/tides, seas, water depth
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Can uncontrollable forces be used to your advantage?
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Yes, if you study the weather, charts, etc., these forces can be prepared for.
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