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  2. 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.

  3. Safe water mark - Wikipedia

    en.wikipedia.org/wiki/Safe_water_mark

    They are also known as fairway buoys and clear water buoys. They are recognisable by their red-and-white vertical stripes and commonly bear a top sign in shape of a red ball. They either flash Morse code "A" (di-dah), or one long flash, occulting (more light than dark) or isophase (equal light and dark) every 10 seconds (L Fl 10s).

  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. Navigational aid - Wikipedia

    en.wikipedia.org/wiki/Navigational_aid

    Lead marks (as in "leading a ship into a safe place") and lights are fixed markers that are laterally displaced to allow a mariner to navigate a fixed channel along the preferred route. They are also known as "channel markers". [14] [failed verification] They can normally be used coming into and out of the channel. When lit, they are also ...

  6. Day beacon - Wikipedia

    en.wikipedia.org/wiki/Day_beacon

    This channel is designated by day beacons, though beacons "6" and "9" are omitted. Simple, unnumbered piles are used instead of them. A day beacon (sometimes "daybeacon") is an unlighted nautical sea mark. A signboard identifying it is called a day mark. [1] Day beacons typically mark channels whose key points are marked by lighted buoys. They ...

  7. 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.

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