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EFFECTIVE — Military Ops · IMO 8923997

USMoored
World map showing the last known position of EFFECTIVE at 1° 16.107' N, 103° 38.639' E
NSEW
Current PositionLive

EFFECTIVE is currently moored in the South China Sea, at 1.2684° N, 103.6440° E. It is sailing from SINGAPORE to YOKOHAMA with an ETA of 18 Jul 2026, 23:48 UTC. AIS position received 8 Sep 2026, 14:32 UTC.

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Updated 5 minutes ago using terrestrial data
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Moored
Current Navigational Status
0.0 kn
Speed
316.0°
/ 92°
Course / Heading
8 m
Static Draught
8 m
Current Draught

Voyage Tracker

ATD
01:52 UTCJul 16, 2026
ETA
23:48 UTCJul 18, 2026
EFFECTIVE

EFFECTIVE

Identity

Military Ops
Type
United States flagUS
Flag
8923997
IMO Number
367836000
MMSI
NCWL
Call Sign

Specifications

72 m × 29 m
Length × Breadth
1993-01-01
Year Built
792 t
Deadweight
3,347 t
Gross Tonnage
N/A
Engine Power
BOLLINGER MARINE FABRICATORS AMELIA - AMELIA LA, U.S.A.
Builder
AMERICAN BUREAU OF SHIPPING
Class Society
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Dive into the fleet, port, and flag state that EFFECTIVE is part of.

Flag State
All US-flagged vessels
Browse every ship currently registered under the US flag, with live AIS positions.
Vessel Type
Browse all Military Ops
See the global fleet of military ops tracked on MarineRadar with live AIS data.
Departure Port
Port of SINGAPORE
Port traffic, arrivals and live vessel positions for SINGAPORE (SGSIN).
Destination Port
Port of YOKOHAMA
Arrivals, berth specifications, and live vessel traffic for YOKOHAMA (JPYOK).

About EFFECTIVE

Identity · Ownership · Class · Route

EFFECTIVE — Military Ops

Built in 1993, with a gross tonnage of 3,347 GT, and a dead weight of 792 tonnes, EFFECTIVE is a military ops registered under the United States of America flag. The vessel is owned by USA GOVERNMENT - WASHINGTON DC, United States (USA), built by BOLLINGER MARINE FABRICATORS AMELIA - AMELIA LA, U.S.A..

EFFECTIVE route and voyage history

EFFECTIVE is currently on a voyage from SINGAPORE to YOKOHAMA with an estimated arrival on 2026-07-18T23:48:00Z. The live route and current course of EFFECTIVE are shown on the bridge map above, updated whenever the vessel is in range of a coastal AIS receiver or a satellite pass.

Vessel class and identifiers

EFFECTIVE is classed by AMERICAN BUREAU OF SHIPPING, which inspects the vessel against its safety and structural rules. Vessels in the same class as EFFECTIVE can be seen in the Similar Vessels section above or in the full military ops fleet at /vessel-type/military-special.

Frequently Asked Questions

Where is EFFECTIVE right now?+
EFFECTIVE is currently moored in the South China Sea, within the Strait of Malacca. It is sailing from SINGAPORE to YOKOHAMA with an ETA of 18 Jul 2026, 23:48 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.
What are the identifiers for EFFECTIVE?+
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.
What type of ship is EFFECTIVE?+
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.
How can I see the live position of EFFECTIVE?+
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.
How often is EFFECTIVE's position updated?+
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.
What class is EFFECTIVE?+
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.

EFFECTIVE — Key Facts

MMSI
367836000
IMO number
8923997
Call sign
NCWL
Vessel type
Military Ops
Flag state
US
Navigation status
Moored
Current speed
0.0 knots
Course over ground
316.0°
Heading
92°
Last known position
1.2684°, 103.6440°
Destination
YOKOHAMA
ETA
2026-07-18T23:48:00Z
Departure port
SINGAPORE
Actual time of departure
2026-07-16T01:52:00Z
Current draught
8 m
Maximum static draught
8 m
Year built
1993-01-01
Gross tonnage
3347
Dead weight
792 t
AIS last updated
2026-09-08T14:32:00Z