Buoy

A buoy is a floating device that can have many uses. It is usually anchored in a certain place. The word is most commonly said () (as in buoyant),  but in American English it is often pronounced .

Types

Navigational aids
Buoys are used by ships to navigate or sail safely from place to place. They are used to mark a safe channel on a river, lake or harbour. They are used to mark dangerous rocks and other items which ships have to keep clear of.http://www.iala-aism.org/web/pages/publications/docpdf/mbsenpdf/MBS1to3.pdf Maritime Buoyage System  They can also be used to mark a shipwreck, pipelines or swimming areas.

Other uses
Buoys are used as marker for fishing, moorings for boats, yacht or dinghy racing, diving or weather stations and may be marked on charts as "Superbuoys".

References

Category:Water transport
Category:Navigation