Marine AIS — special vessel rules

Edit what counts as RNLI / SAR / military / law enforcement. Changes apply immediately to the live fleet stream.

—vessels tracked
—match rules now
—upstream AIS
AIS ship type codes

Common: 35 military, 51 search & rescue, 55 law enforcement, 59 noncombatant.

Name patterns
Destination patterns
Explicit MMSI
MMSI prefixes

Currently matching vessels

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