Satellite systems for maritime distress and safety communication
services and forming part of the GMDSS radio systems specified in
chapter IV, regulation 5 of the 1974 SOLAS Convention, as amended,
should provide capabilities for at least the following maritime distress
and safety communications:
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.1 ship-to-shore distress alerts/calls;
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.2 shore-to-ship distress relay alerts/calls;
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.3 ship-to-shore, shore-to-ship and ship-to-ship
search and rescue co-ordinating communications;
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.4 ship-to-shore transmissions of Maritime Safety
Information;
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.5 shore-to-ship broadcasting of Maritime Safety
Information; and
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.6 ship-to-shore, shore-to-ship, and ship-to-ship
general communications.