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  2. Glossary of nautical terms (A–L) - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_nautical_terms...

    3. A bed or sleeping accommodation on a boat or ship. 4. A job or position of employment on a boat or ship. best bower The larger of two anchors carried in the bow; so named as it was the last, "best" hope for anchoring a vessel. between the devil and the deep blue sea See devil seam. between wind and water

  3. Wave-making resistance - Wikipedia

    en.wikipedia.org/wiki/Wave-making_resistance

    For example, if the ship takes three seconds to travel its own length, then at some point the ship passes, a stern wave is initiated three seconds after a bow wave, which implies a specific phase difference between those two waves. Thus, the waterline length of the ship directly affects the magnitude of the wave-making resistance.

  4. Ship motions - Wikipedia

    en.wikipedia.org/wiki/Ship_motions

    The vertical/Z axis, or yaw axis, is an imaginary line running vertically through the ship and through its centre of mass. A yaw motion is a side-to side movement of the bow and stern of the ship. The transverse/Y axis, lateral axis, or pitch axis is an imaginary line running horizontally across the ship and through the centre of mass. A pitch ...

  5. Waterline length - Wikipedia

    en.wikipedia.org/wiki/Waterline_length

    A vessel's length at the waterline (abbreviated to L.W.L) [1] is the length of a ship or boat at the level where it sits in the water (the waterline). The LWL will be shorter than the length of the boat overall (length overall or LOA) as most boats have bows and stern protrusions that make the LOA greater than the LWL. As a ship becomes more ...

  6. Marine navigation - Wikipedia

    en.wikipedia.org/wiki/Marine_navigation

    Marine navigation is the art and science of steering a ship from a starting point (sailing) to a destination, efficiently and responsibly. It is an art because of the skill that the navigator must have to avoid the dangers of navigation, and it is a science because it is based on physical , mathematical , oceanographic , cartographic ...

  7. Waterline - Wikipedia

    en.wikipedia.org/wiki/Waterline

    The waterline is the line where the hull of a ship meets the surface of the water. A waterline can also refer to any line on a ship's hull that is parallel to the water's surface when the ship is afloat in a level trimmed position. Hence, waterlines are a class of "ships lines" used to denote the shape of a hull in naval architecture lines ...

  8. Length between perpendiculars - Wikipedia

    en.wikipedia.org/wiki/Length_between_perpendiculars

    Graphical representation of the dimensions used to describe a ship. Length between perpendiculars (often abbreviated as p/p, p.p., pp, LPP, LBP or Length BPP) is the length of a ship along the summer load line from the forward surface of the stem, or main bow perpendicular member, to the after surface of the sternpost, or main stern perpendicular member.

  9. Seamanship - Wikipedia

    en.wikipedia.org/wiki/Seamanship

    Two other types of operations, berthing alongside another ship (usually for Ship-to-ship cargo transfer and replenishment at sea, are occasionally included in ship-handling seamanship for some vessel types. In addition to being fully conversant with the principles of ship-handling, a good shiphandler or pilot will have developed their sense of ...