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WILLIAM TATE — Law Enforce · IMO 9177284

USMoored
World map showing the last known position of WILLIAM TATE at 39° 56.008' N, 75° 8.476' W
NSEW
Current PositionLast report

WILLIAM TATE was last reported moored in the North Atlantic Ocean, at 39.9335° N, 75.1413° W, on 8 Sep 2026, 11:08 UTC. It was sailing from PHILADELPHIA to PHILADELPHIA with an ETA of 19 Aug 2026, 20:21 UTC.

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Updated 9 hours ago using terrestrial data
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Moored
Current Navigational Status
0.0 kn
Speed
19.3°
/ 511°
Course / Heading
2.7 m
Static Draught
2.7 m
Current Draught

Voyage Tracker

ATD
15:11 UTCAug 18, 2026
ETA
20:21 UTCAug 19, 2026
WILLIAM TATE

WILLIAM TATE

Identity

Law Enforce
Type
United States flagUS
Flag
9177284
IMO Number
338954000
MMSI
NNIA
Call Sign

Specifications

53 m × 10 m
Length × Breadth
1999-01-01
Year Built
200 t
Deadweight
903 t
Gross Tonnage
N/A
Engine Power
FMG MARINETTE MARINE - MARINETTE WI, U.S.A.
Builder
N/A
Class Society
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Dive into the fleet, port, and flag state that WILLIAM TATE 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 Law Enforces
See the global fleet of law enforces tracked on MarineRadar with live AIS data.
Departure Port
Port of PHILADELPHIA
Port traffic, arrivals and live vessel positions for PHILADELPHIA (USPHL).

About WILLIAM TATE

Identity · Ownership · Class · Route

WILLIAM TATE — Law Enforce

Built in 1999, with a gross tonnage of 903 GT, and a dead weight of 200 tonnes, WILLIAM TATE is a law enforce registered under the United States of America flag. The vessel is owned by USA GOVERNMENT - WASHINGTON DC, United States (USA), built by FMG MARINETTE MARINE - MARINETTE WI, U.S.A..

WILLIAM TATE route and voyage history

WILLIAM TATE is currently on a voyage from PHILADELPHIA to PHILADELPHIA with an estimated arrival on 2026-08-19T20:21:00Z. The live route and current course of WILLIAM TATE 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 WILLIAM TATE can be seen in the Similar Vessels section above or in the full law enforce fleet at /vessel-type/military-special.

Frequently Asked Questions

Where is WILLIAM TATE right now?+
WILLIAM TATE was last reported moored in the North Atlantic Ocean, within the US East Coast shipping lane, on 8 Sep 2026, 11:08 UTC. It was sailing from PHILADELPHIA to PHILADELPHIA with an ETA of 19 Aug 2026, 20:21 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 WILLIAM TATE?+
WILLIAM TATE broadcasts MMSI 338954000 and is registered as IMO 9177284, with call sign NNIA. 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 WILLIAM TATE?+
WILLIAM TATE is classified as a law enforce vessel registered under the US flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full law enforce fleet at /vessel-type/military-special and full US flag list at /flag/us.
How can I see the live position of WILLIAM TATE?+
MarineRadar shows the latest AIS broadcast from WILLIAM TATE 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 WILLIAM TATE'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 WILLIAM TATE?+
As a law enforce, WILLIAM TATE sits in the same design class as the other law enforces listed in the Similar Vessels section of the vessel page, or in the full law enforce directory at /vessel-type/military-special. WILLIAM TATE has a gross tonnage of 903 GT.

WILLIAM TATE — Key Facts

MMSI
338954000
IMO number
9177284
Call sign
NNIA
Vessel type
Law Enforce
Flag state
US
Navigation status
Moored
Current speed
0.0 knots
Course over ground
19.3°
Heading
511°
Last known position
39.9335°, -75.1413°
Destination
PHILADELPHIA
ETA
2026-08-19T20:21:00Z
Departure port
PHILADELPHIA
Actual time of departure
2026-08-18T15:11:00Z
Current draught
2.7 m
Maximum static draught
2.7 m
Year built
1999-01-01
Gross tonnage
903
Dead weight
200 t
AIS last updated
2026-09-08T11:08:30Z