Question 1

Where is SUBMARINE right now?

Accepted Answer

SUBMARINE has not broadcast an AIS position for 111 days. The most recent broadcast placed it in the North Pacific Ocean, on 20 May 2026, 17:39 UTC. It was sailing from SAN DIEGO to SAN DIEGO. 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 SUBMARINE?

Accepted Answer

SUBMARINE broadcasts MMSI 369000020. 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 SUBMARINE?

Accepted Answer

SUBMARINE is classified as a military ops vessel registered under the US 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 US flag list at /flag/us.

Question 4

How can I see the live position of SUBMARINE?

Accepted Answer

MarineRadar shows the latest AIS broadcast from SUBMARINE 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 SUBMARINE'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 SUBMARINE?

Accepted Answer

As a military ops, SUBMARINE 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.

SUBMARINE — Military Ops · MMSI 369000020

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