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  2. Navigation light - Wikipedia

    en.wikipedia.org/wiki/Navigation_light

    Watercraft navigation lights must permit other vessels to determine the type and relative angle of a vessel, and thus decide if there is a danger of collision. In general, sailing vessels are required to carry a green light that shines from dead ahead to 2 points (22 + 1 ⁄ 2 °) abaft [note 1] the beam on the starboard side (the right side from the perspective of someone on board facing ...

  3. Deck prism - Wikipedia

    en.wikipedia.org/wiki/Deck_prism

    Before electricity, light below a vessel's deck was provided by candles, oil and kerosene lamps—all dangerous aboard a wooden ship. The deck prism laid flush into the deck, the glass prism refracted and dispersed natural light into the space below from a small deck opening without weakening the planks or becoming a fire hazard .

  4. Port and starboard - Wikipedia

    en.wikipedia.org/wiki/Port_and_starboard

    Oncoming boat indicating its port (red) and starboard (green) sides The term starboard derives from the Old English steorbord , meaning the side on which the ship is steered. Before ships had rudders on their centrelines, they were steered with a steering oar at the stern of the ship on the right hand side of the ship, because more people are ...

  5. Navigational aid - Wikipedia

    en.wikipedia.org/wiki/Navigational_aid

    The mariner will know the geometry of the marks/lights from the navigational chart and can understand that when "open" (not one above the other) the ship needs to be navigated to "close" the marks (so one is above the other) and be in the preferred line of the channel.

  6. Leading lights - Wikipedia

    en.wikipedia.org/wiki/Leading_lights

    Leading lights, also known as range lights in the United States, are a pair of light beacons used in navigation [2] to indicate a safe passage for vessels entering a shallow or dangerous channel; they may also be used for position fixing. At night, the lights are a form of leading line that can be used for safe navigation. The beacons consist ...

  7. Last of broken down boats leaving old Port Royal dock. Now ...

    www.aol.com/last-broken-down-boats-leaving...

    An egret lands in the tidal flats of Battery Creek near the shrimp docks as the hull of a former transport boat is visible at low tide on Sept. 21, 2022 in the Town of Port Royal. Show comments ...

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