GMDSS: Element 7

1. A An Inmarsat-C system must never be powered down or mandatory MSI messages will be lost.
2. B Send a message to the NCS advising arrival in port or request the NCS log your terminal in with the new satellite.
3. C No action is required –- the terminal will automatically log in with the new satellite when the NCS common channel is detected or after power up.
4. D Log out with the current NCS to inform them you are off the air or to enable a proper log in procedure with the new satellite.

Tip: press A-D to answer