GMDSS Maintainer: Element 9

1. A MMSI, vessel position, nature of distress, follow-on communications by J3E only.
2. B MMSI, vessel position, nature of distress, follow-on communications by J3E or F1B.
3. C Call sign, vessel position, nature of distress, follow-on communications by J3E or F1B.
4. D Name of vessel, vessel position, nature of distress, follow-on communications by J3E or F1B.

Tip: press A-D to answer