MMSI MID formats

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Code Use
8MIDXXXXX Diver’s radio (not used in the U.S. in 2013)
0MIDXXXXX Group of ships; the U.S. Coast Guard, for example, is 03699999
00MIDXXXX Coastal stations
111MIDXXX SAR (Search and Rescue) aircraft
99MIDXXXX Aids to Navigation
98MIDXXXX Auxiliary craft associated with a parent ship
970MIDXXX AIS SART (Search and Rescue Transmitter)
972XXXXXX MOB (Man Overboard) device
974XXXXXX EPIRB (Emergency Position Indicating Radio Beacon) AIS