Question 1

Where is ROU 11 RIO NEGRO right now?

Accepted Answer

ROU 11 RIO NEGRO has not broadcast an AIS position for 35 days. The most recent broadcast placed it in the South Atlantic Ocean, on 4 Aug 2026, 13:51 UTC. It was sailing from MONTEVIDEO to MONTEVIDEO. Vessels stop appearing on terrestrial AIS when they move beyond receiver range, so a gap does not necessarily mean the vessel is inactive.

Question 2

What are the identifiers for ROU 11 RIO NEGRO?

Accepted Answer

ROU 11 RIO NEGRO broadcasts MMSI 770576020. 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 ROU 11 RIO NEGRO?

Accepted Answer

ROU 11 RIO NEGRO is classified as a military ops vessel registered under the UY 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 UY flag list at /flag/uy.

Question 4

How can I see the live position of ROU 11 RIO NEGRO?

Accepted Answer

MarineRadar shows the latest AIS broadcast from ROU 11 RIO NEGRO 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 ROU 11 RIO NEGRO'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 ROU 11 RIO NEGRO?

Accepted Answer

As a military ops, ROU 11 RIO NEGRO 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.

ROU 11 RIO NEGRO — Military Ops · MMSI 770576020

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