• POS | :Position request individual call) |
| Find position of other ship by entering its |
| ID number. |
• POL | :Polling call (individual call) |
| Confirm that own ship is within communi- |
| cation range with other ship. This provides |
| only negative response; it does not provide |
| position information. |
• MED | :Medical transport (All ships call) |
| Inform all ships, by Urgency category, |
| that own ship carries medical goods. |
• NEU | :Neutral craft (All ships call) |
| Inform all ships, by Urgency or Safety |
| category, that own ship is not a participant |
| in an armed conflict. |