NAVIGATIONAL AIDS: Material aboard your boat that will assist in navigating (compass, depth sounder, G.P.S., etc).
O
OAR: A device used for rowing a boat.
navigational aid
Any fixed object that a navigator may use to find his position, such as permanent land or sea markers, buoys, radiobeacons, and lighthouses.
navigator ...
A navigational aid visible during the day. In the United States and Canada, square red daybeacons should be kept on the right and triangular green daybeacons should be kept on the left when returning from a larger to smaller body of water.
A navigational aid that emits radio waves for navigational purposes. The radio beacon's position is known and the direction of the radiobeacon can be determined by using a radio direction finder.
radio bearing ...
A navigational aid used in the United States and Canada to mark a channel. Green triangular daymarks should be kept on the left when returning from a larger to smaller body of water. Red daymarks mark the other side of the channel.
dayboard - A navigational aid; a sign atop a piling or dolphin, which may be unlit (daybeacon) or lit (light).
daysailer - A cabin-less vessel; typically used for racing and/or short excursions.
Can buoy A cylindrical buoy painted green and having an odd number used in the United States as a navigational aid. At night they may have a green light.
and steered; also, the officer(s) on duty in the command area BULKHEAD nautical equivalent of wall BULWARKS fence-like guard along edge of deck BUNK bed, berth BUOY floats of a variety of designs and shapes, usually moored, used as navigational aids, ...
in a pocket in the leech of a sail to help the sail hold its form batten down To secure or make watertight, especially hatches and cargo batten pocket Long narrow "tube" of sailcloth into which battens slide beacon A navigational aid or ...
Below are four categories of navigational aids.
IALA-A System: This is the system of marks found in Europe, the Mediterranean, the Western Pacific (except for Korea, Japan and the Philippines), the Indian Ocean, and the coasts of Africa.
Non-lateral markers are navigational aids that give information other than the edges of safe water areas. The most common are the regulatory markers shown below, which are white and use orange markings and black lettering.
A floating device used as a navigational aid by marking channels, hazards and prohibited areas.
buoyancy
Force which enables anything to float. Many boats have built in buoyancy tanks in case of the hull being holed or the boats capsizing.
Ask questions concerning local regulation rules, navigational aids, hazardous rocks, strong currents etc. Ask an experienced local sailor about conditions or hazards you should know before venturing out.
Leave a float plan.
Tell where you are: (what navigational aids or landmarks are near).
State the nature of your distress
Give number of persons aboard and conditions of any injured.
The water in the Abacos is clear with good navigational aids, and is a popular destination for families and couples. Offshore Sailing School guarantees that you earn US SAILING Certification in whatever course that you take.
Give position by latitude and longitude or by bearing and distance to a well-known landmark or navigational aid, or in any terms that will assist a responding station in locating the vessel in distress.
 See also: Navigation, Boat, Light, Point, Wind
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