GMDSS: Element 7

1. A This identifies the vessel's selective calling (SELCALL) number.
2. B This is the Inmarsat number that is assigned to a unit for incoming calls.
3. C This is the vessel's Inmarsat registration number for accounting authority purposes.
4. D This number is used for receiving news and other optional services in FleetNETTM.

Tip: press A-D to answer