Search and rescue position report
| Name | NumberOfBits | ArrayLength | Type | Units | Description |
|---|---|---|---|---|---|
| MessageID | 6 | uint | AIS message number. Must be 10 | ||
| RepeatIndicator | 2 | uint | Indicated how many times a message has been repeated 0: default 3: do not repeat any more |
||
| UserID | 30 | uint | Unique ship identification number (MMSI) | ||
| Spare1 | 2 | uint | Not used. Should be set to zero. | ||
| DestID | 30 | uint | Unique ship identification number (MMSI) | ||
| Spare2 | 2 | uint | Not used. Should be set to zero. |