Macao
Vessels whose MMSI begins with the maritime identification digit block 453 — allocated by the ITU to Macao, in Asia, including the Middle East.
1 MID blockMO2 in store0 with a position
MID blocks
- 453
- Macao · MAC
A MID identifies the registry that issued the number, which is not always the same as nationality in the everyday sense — several blocks belong to dependencies and territories. And an MMSI changes when a ship reflags, while its IMO number does not.
Reading an MMSI, digit by digit →
Further reading: How AIS works · AIS navigational status codes
In our store
Macao flagged vessels we have heard
| Vessel | MMSI | Type | Destination | Speed | Course | Status | Position age |
|---|---|---|---|---|---|---|---|
| Name not reported | 453001099 | Unknown | Not reported | Not reported | Not reported | Not reported | No position held |
| ARREBATO I | 453789878 | Pleasure craft | B 2 A | Not reported | Not reported | Not reported | No position held |
Listed newest position first, capped at 150 rows. “No position held” means we have a static report from the vessel but no position report.