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United States flag

DEFENDER — Tug · IMO 8989941

US
World map showing the last known position of DEFENDER at 39° 48.724' N, 75° 24.339' W
NSEW
Current PositionLast report

DEFENDER was last reported in the North Atlantic Ocean, at 39.8121° N, 75.4057° W.

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Updated — using terrestrial data
Live Satellite · latest position

See where DEFENDER is now

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Unknown
Current Navigational Status
0.0 kn
Speed
0.0°
/ ---
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

N/A
ATD
N/A
N/A
ETA
N/A
DEFENDER

DEFENDER

Identity

Tug
Type
United States flagUS
Flag
8989941
IMO Number
368138460
MMSI
N/A
Call Sign

Specifications

N/A
Length × Breadth
N/A
Year Built
N/A
Deadweight
N/A
Gross Tonnage
N/A
Engine Power
N/A
Builder
N/A
Class Society
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Real-time AIS positions, voyage history, and arrival alerts for DEFENDER — straight from your phone.

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Dive into the fleet, port, and flag state that DEFENDER 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 Tugs
See the global fleet of tugs tracked on MarineRadar with live AIS data.

About DEFENDER

Identity · Ownership · Class · Route

DEFENDER — Tug

DEFENDER is a tug registered under the United States of America flag.

DEFENDER route and voyage history

The most recent AIS broadcast from DEFENDER is shown on the live map above. The live route and current course of DEFENDER 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

Vessels in the same class as DEFENDER can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

Frequently Asked Questions

Where is DEFENDER right now?+
DEFENDER was last reported in the North Atlantic Ocean, within the US East Coast shipping lane. 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 DEFENDER?+
DEFENDER broadcasts MMSI 368138460 and is registered as IMO 8989941. 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 DEFENDER?+
DEFENDER is classified as a tug vessel registered under the US flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tug fleet at /vessel-type/tug-pilot-vessel and full US flag list at /flag/us.
How can I see the live position of DEFENDER?+
MarineRadar shows the latest AIS broadcast from DEFENDER 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 DEFENDER'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 DEFENDER?+
As a tug, DEFENDER sits in the same design class as the other tugs listed in the Similar Vessels section of the vessel page, or in the full tug directory at /vessel-type/tug-pilot-vessel.

DEFENDER — Key Facts

MMSI
368138460
IMO number
8989941
Vessel type
Tug
Flag state
US
Current speed
0.0 knots
Course over ground
0.0°
Last known position
39.8121°, -75.4057°