Question 1

Where is MERSEY right now?

Accepted Answer

MERSEY was last reported in the North Sea. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

Question 2

What are the identifiers for MERSEY?

Accepted Answer

MERSEY broadcasts MMSI 234637000 and is registered as IMO 9261346. The MMSI is the radio identifier used by AIS; the IMO number stays with the ship for life and does not change with re-flagging or sale.

Question 3

What type of ship is MERSEY?

Accepted Answer

MERSEY is classified as a military ops vessel registered under the GB flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full military ops fleet at /vessel-type/military-special and full GB flag list at /flag/gb.

Question 4

How can I see the live position of MERSEY?

Accepted Answer

MarineRadar shows the latest AIS broadcast from MERSEY above, with current position, course, speed, and navigation status. Tap "View on map" to centre the live tracker on the vessel and watch its movement update in real time. The same data is available offline-friendly in the iOS and Android apps.

Question 5

How often is MERSEY's position updated?

Accepted Answer

AIS transponders broadcast position every 2 seconds when underway at high speed and up to every 3 minutes at anchor. The position you see refreshes whenever the ship is in range of a coastal AIS receiver or a satellite pass — typically seconds in coastal waters and minutes offshore.

Question 6

What class is MERSEY?

Accepted Answer

As a military ops, MERSEY sits in the same design class as the other military opss listed in the Similar Vessels section of the vessel page, or in the full military ops directory at /vessel-type/military-special.

MERSEY — Military Ops · IMO 9261346

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