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Oeder Boats Boats: REQUIREMENTS FOR OEDER BOATS Boats not of open construction built prior to July 31, 1980, must have at least two ventilation ducts fitted with cowls at their openings to the atmosphere for each engine and tank compartment. An exception is made for fuel-tank compartments if each electrical component in the compartment is "ignition protected," in accordance with Coast Guard standards, and fuel tanks are vented to the outside of the boat.
Radar is an excellent means of marine navigation and is used on vessels of all sizes, down to boats of about twenty feet in length. Although not installed on all recreational boats, its capabilities and limitations should be known to all boaters for their own safety when cruising on waters navigated by radar-equipped vessels.See Also On Boats:The prudent skipper will have a thorough knowledge of the Rules that apply to all types of boats and ships that operate On boats waters that he or she uses. The official text of the Rules are in the Coast Guard publicatiOn boats NavigatiOn boats Rules, InternatiOn boatsal-Inland, which is available at most chart outlets. The major requirements that apply to recreatiOn boatsal boats are listed briefly here.
There are two electrOn boatsic navigatiOn boats systems available to skippers of boats as well as to navigators of large ships. The cost, size, and power requirements of these systems have now been reduced to the point that they are feasible optiOn boatss for boats of almost any size. The newer, and now the more widely used, system is the Global PositiOn boatsing System (GPS). Also used by many boaters is Loran, an older system still in operatiOn boats. Almost all new installatiOn boatss, however, are GPS.
On The Other Hand See Radios For Boats Consist:Safety communications take absolute priority over all other communications. If you hear a distress call, you must cease transmitting immediately, but should continue to listen to keep informed of the situation.
VHP radios for boats consist of a combined transmitter and receiver called a transceiver. It can perform both functions, but not at the same time. VHF radios on boats operate on a "one-way" basis called "simplex" or "half-duplex." This means that you must stop transmitting (release the microphone button) in order to hear the other station; the other station cannot interrupt you while you are transmitting.
For long-distance communications, a Single Sideband (SSB) marine radio using designated frequencies in the MF and HF bands is required. Such a set can be installed only if the Boat is already equipped with a VHF-FM radio, and the owner can certify a need for the long-range set. On this equipment, the international distress and calling frequency is 2182 kHz. Recreational boats can operate with sets having up to 150 watts output power; this will provide a range of hundreds to thousands of miles depending upon the frequency selected and the time of day.
Citizens Band radios can be used as an adjunct to the normal marine radios for informal, short-distance communications.
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