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  2. Safe water mark - Wikipedia

    en.wikipedia.org/wiki/Safe_water_mark

    They are also used to indicate the start and end of a buoyed section of a continuous narrow channel; and a series of them may mark a safe route through shallow areas. [1] It is therefore important to consult appropriate charts to determine their meaning in each location. They are also known as fairway buoys and clear water buoys.

  3. Cardinal mark - Wikipedia

    en.wikipedia.org/wiki/Cardinal_mark

    A cardinal mark is a sea mark (a buoy or other floating or fixed structure) commonly used in maritime pilotage to indicate the position of a hazard and the direction of safe water. Cardinal marks indicate the direction of safety as a cardinal ( compass ) direction ( north , east , south or west ) relative to the mark.

  4. Buoy - Wikipedia

    en.wikipedia.org/wiki/Buoy

    Large Navigational Buoys (LNB, or Lanby buoys) are automatic buoys over 10 meters high equipped with a powerful light monitored electronically as a replacement for a lightvessel. [11] They may be marked on charts as a "Superbuoy." [12] Lateral marker buoys; Safe water mark or fairway buoys mark the entrance to a channel or nearby landfall

  5. How do boaters avoid hazards? What to know about markers ...

    www.aol.com/boaters-avoid-hazards-know-markers...

    Just like traffic lights and signs help drivers on the road, boaters have buoys and signs to guide them to and from shore safely.

  6. Lateral mark - Wikipedia

    en.wikipedia.org/wiki/Lateral_mark

    A lateral buoy, lateral post or lateral mark, as defined by the International Association of Marine Aids to Navigation and Lighthouse Authorities, is a sea mark used in maritime pilotage to indicate the edge of a channel. Each mark indicates the edge of the safe water channel in terms of port (left-hand) or starboard (right-hand).

  7. Navigational aid - Wikipedia

    en.wikipedia.org/wiki/Navigational_aid

    Where a channel divides the mark at the junction is called a "preferred channel mark" or "junction buoy". The mark has the colour and shapes corresponding to the preferred channel with a band of the other colour to indicate it is the other hand mark for the subsidiary channel. [1]

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

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

    A type of navigational buoy, often a vertical drum, but otherwise always square in silhouette, colored red in IALA region A (Europe, Africa, Greenland, and most of Asia and Oceania) or green in IALA region B (the Americas, Japan, Korea, and the Philippines). In channel marking its use is opposite that of a nun buoy. canal boat

  9. Estonia says Russia removed navigation buoys on border river

    www.aol.com/news/estonia-says-russia-removed...

    Some 24 out of 50 buoys recently placed on the Narva river to mark sailing routes were removed in the early hours of Thursday the Estonian police and border guard said in a statement.

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