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Indonesia flag

TB WILLIAM 5 — Tug · MMSI 525300286

IDClass B
World map showing the last known position of TB WILLIAM 5 at 6° 49.672' S, 112° 42.439' E
NSEW
Current PositionNo recent signal

TB WILLIAM 5 has not broadcast an AIS position for 7 days. Its most recent report placed it in the Java Sea, at 6.8279° S, 112.7073° E, on 1 Sep 2026, 09:01 UTC. It was sailing from GRESIK to SURABAYA ANCH.

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Updated 7 days ago using terrestrial data
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Class B
Current Navigational Status
2.0 kn
Speed
12.0°
/ 12°
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

Indonesia flag
GRESIKIDGRE
ATD
17:40 UTCAug 28, 2026
ETA
07:47 UTCSep 1, 2026
TB WILLIAM 5

TB WILLIAM 5

Identity

Tug
Type
Indonesia flagID
Flag
N/A
IMO Number
525300286
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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Dive into the fleet, port, and flag state that TB WILLIAM 5 is part of.

Flag State
All ID-flagged vessels
Browse every ship currently registered under the ID flag, with live AIS positions.
Vessel Type
Browse all Tugs
See the global fleet of tugs tracked on MarineRadar with live AIS data.
Departure Port
Port of GRESIK
Port traffic, arrivals and live vessel positions for GRESIK (IDGRE).
Destination Port
Port of SURABAYA ANCH
Arrivals, berth specifications, and live vessel traffic for SURABAYA ANCH (IDPNK).

About TB WILLIAM 5

Identity · Ownership · Class · Route

TB WILLIAM 5 — Tug

TB WILLIAM 5 is a tug registered under the Indonesia flag.

TB WILLIAM 5 route and voyage history

TB WILLIAM 5 is currently on a voyage from GRESIK to SURABAYA ANCH with an estimated arrival on 2026-09-01T07:47:00Z. The live route and current course of TB WILLIAM 5 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 TB WILLIAM 5 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 TB WILLIAM 5 right now?+
TB WILLIAM 5 has not broadcast an AIS position for 7 days. The most recent broadcast placed it in the Java Sea, on 1 Sep 2026, 09:01 UTC. It was sailing from GRESIK to SURABAYA ANCH. Vessels stop appearing on terrestrial AIS when they move beyond receiver range, so a gap does not necessarily mean the vessel is inactive.
What are the identifiers for TB WILLIAM 5?+
TB WILLIAM 5 broadcasts MMSI 525300286. 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 TB WILLIAM 5?+
TB WILLIAM 5 is classified as a tug vessel registered under the ID 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 ID flag list at /flag/id.
How can I see the live position of TB WILLIAM 5?+
MarineRadar shows the latest AIS broadcast from TB WILLIAM 5 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 TB WILLIAM 5'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 TB WILLIAM 5?+
As a tug, TB WILLIAM 5 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.

TB WILLIAM 5 — Key Facts

MMSI
525300286
Vessel type
Tug
Flag state
ID
Navigation status
Class B
Current speed
2.0 knots
Course over ground
12.0°
Heading
12°
Last known position
-6.8279°, 112.7073°
Destination
SURABAYA ANCH
ETA
2026-09-01T07:47:00Z
Departure port
GRESIK
Actual time of departure
2026-08-28T17:40:00Z
AIS last updated
2026-09-01T09:01:53Z