EFFECTIVE — Military Ops · IMO 8923997

EFFECTIVE is currently in the South China Sea, within the Strait of Malacca. It is sailing from SINGAPORE to SINGAPORE with an ETA of 8 Oct 2026, 23:28 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

EFFECTIVE broadcasts MMSI 367836000 and is registered as IMO 8923997, with call sign NCWL. 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.

EFFECTIVE 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.

MarineRadar shows the latest AIS broadcast from EFFECTIVE 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.

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.

EFFECTIVE is classed by AMERICAN BUREAU OF SHIPPING, the classification society responsible for inspecting the vessel against safety, structural and operational rules. As a military ops, EFFECTIVE 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. EFFECTIVE has a gross tonnage of 3,347 GT.