■ MMSI

MMSI Numbers

Each ship has its own unique 9-digit Maritime Mobile Service Identity(MMSI) which is included automatically in each call

• Included in MMSI number are the Maritime Identification Digits(MID) which identify the country licencing /controlling the station. Three types of MMSI numbers are in common use to identify individual ship's group of ships and coast stations.

Examples, using the MID 440(Korea 440/441), are

•  Ship station : 440001000 ( 3 trailing zeros)
•  Group of ships : 044001143 ( 1 leading zero)
•  Coast station : 004401004 (Busan Coast Guard) / (2 leading zero)