MarineActivityAIS · shore receivers worldwide

Yemen

Vessels whose MMSI begins with one of the maritime identification digit blocks 473, 475 — allocated by the ITU to Yemen, in Asia.

2 MID blocksYE0 in store0 with a position

MID blocks

473
Yemen · YEM
475
Yemen · YEM

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 →

In our store

Yemen flagged vessels we have heard

No result

No Yemen flagged vessels in our store

We hear only what shore-based receivers pick up, and that network is uneven — dense on some coasts, absent on others and in mid-ocean. A register with no vessels here simply means none of its ships have been heard by those receivers — it says nothing about the size of the Yemen fleet.

Listed newest position first, capped at 150 rows. “No position held” means we have a static report from the vessel but no position report.