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2. Topsides - Wikipedia

   en.wikipedia.org/wiki/Topsides

   The topsides on a boat, ship, watercraft, or floating production storage and offloading (FPSO) vessel, is that part of the hull between the waterline and the deck. [1] It includes the visible parts of the bow, stern, sheer, and, if present, tumblehome. On an offshore oil platform, topsides refers to the upper half of the structure, above the ...

3. Pilot ladder - Wikipedia

   en.wikipedia.org/wiki/Pilot_ladder

   A United States Navy petty officer uses the pilot ladder of an Iranian cargo ship during a maritime interdiction operation in the Persian Gulf. A pilot ladder is a highly specialized form of rope ladder, typically used on board cargo vessels [1] for the purposes of embarking and disembarking pilots. The design and construction of the ladders is ...

4. Ship measurements - Wikipedia

   en.wikipedia.org/wiki/Ship_measurements

   Used mainly to determine the minimum water depth for safe passage of a vessel and to calculate the vessels displacement (obtained from ships stability tables) so as to determine the mass of cargo on board. Draft, Air – Air Draft/Draught is the distance from the water line to the highest point on a ship (including antennas) while it is loaded ...

5. Beam (nautical) - Wikipedia

   en.wikipedia.org/wiki/Beam_(nautical)

   Beam (nautical) Graphical representation of the dimensions used to describe a ship. Dimension "b" is the beam at waterline. The beam of a ship is its width at its widest point. The maximum beam (B MAX) is the distance between planes passing through the outer sides of the ship, beam of the hull (B H) only includes permanently fixed parts of the ...

6. Frame (nautical) - Wikipedia

   en.wikipedia.org/wiki/Frame_(nautical)

   Frame (nautical) In ships, frames are ribs that are transverse bolted or welded to the keel. Frames support the hull and give the ship its shape and strength. In wooden shipbuilding, each frame is composed of several sections, so that the grain of the wood can follow the curve of the frame. Starting from the keel, these are the floor (which ...

7. Jacob's ladder (nautical) - Wikipedia

   en.wikipedia.org/wiki/Jacob's_ladder_(nautical)

   The term Jacob's ladder, [1] used on a ship, applies to two kinds of rope ladders. [2] The first is a flexible hanging ladder. It consists of vertical ropes or chains supporting horizontal, historically round and wooden, rungs. Today, flat runged flexible ladders are also called Jacob's ladders. The name is commonly used without the apostrophe ...