NAVAREA warnings

For the purposes of the WWNWS the world is divided into 16 geographical sea areas termed NAVAREAS and identified by Roman numerals. The authority charged with collating and issuing long-range navigational warnings to cover the whole of an area is called the NAVAREA Coordinator. The type of information which might be contained in NAVAREA warnings includes failure of and changes to major navigational aids; newly discovered wrecks or natural hazards in or near main shipping lanes and areas where Search and Rescue (SAR), anti-pollution operations, cable-laying or other underwater activities are taking place.

NAVAREA warnings will normally be sufficient for a vessel passing through main shipping lanes clear of the coast.

Transmissions are arranged so as to fall within at least one normal radio watch period each day, and the information is repeated with varying frequency as time passes until either the danger has ceased or the information has been adequately promulgated elsewhere.

NAVAREA I (Long Range) Warnings

Contain information concerning principal shipping routes, which are necessary for the mariner to know before entering coastal waters, such as:

1) Failure of and changes to major navigational aids

2) Failure of and changes to long-range electronic position fixing systems (Global Positioning System (GPS)/LORAN-C)

3) Newly discovered wrecks or natural hazards

4) Areas where SAR or anti-pollution operations are taking place (for avoidance of such areas).

5) Seismic surveys and other underwater activities in certain areas

6) Positions of mobile drilling rigs and other oil/gas-related activities.

All NAVAREA I warnings are broadcast through SafetyNET and NAVTEX.

<== попередня сторінка	\|	наступна сторінка ==>
Personnel, false, crewmembers, distress, knowledgeable, operating, transmit, GMDSS, routine	\|	Coastal Warnings

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