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Indonesia flag

TB BSI I — Tug · MMSI 525012081

IDClass B
World map showing the last known position of TB BSI I at 0° 59.598' N, 103° 12.448' E
NSEW
Current PositionNo recent signal

TB BSI I has not broadcast an AIS position for 6 days. Its most recent report placed it in the South China Sea, at 0.9933° N, 103.2075° E, on 3 Sep 2026, 03:11 UTC. It was sailing from LUBUK GAUNG to CLASS B.

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Updated 5 days ago using terrestrial data
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Class B
Current Navigational Status
3.5 kn
Speed
184.0°
/ 511°
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

ATD
16:54 UTCAug 27, 2026
CLASS B
ETA
20:06 UTCAug 20, 2026
TB BSI I

TB BSI I

Identity

Tug
Type
Indonesia flagID
Flag
N/A
IMO Number
525012081
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 BSI I 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 LUBUK GAUNG
Port traffic, arrivals and live vessel positions for LUBUK GAUNG (IDPGX).

About TB BSI I

Identity · Ownership · Class · Route

TB BSI I — Tug

TB BSI I is a tug registered under the Indonesia flag.

TB BSI I route and voyage history

TB BSI I most recently departed LUBUK GAUNG. The live route and current course of TB BSI I 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 BSI I 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 BSI I right now?+
TB BSI I has not broadcast an AIS position for 6 days. The most recent broadcast placed it in the South China Sea, on 3 Sep 2026, 03:11 UTC. It was sailing from LUBUK GAUNG to CLASS B. 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 BSI I?+
TB BSI I broadcasts MMSI 525012081. 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 BSI I?+
TB BSI I 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 BSI I?+
MarineRadar shows the latest AIS broadcast from TB BSI I 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 BSI I'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 BSI I?+
As a tug, TB BSI I 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 BSI I — Key Facts

MMSI
525012081
Vessel type
Tug
Flag state
ID
Navigation status
Class B
Current speed
3.5 knots
Course over ground
184.0°
Heading
511°
Last known position
0.9933°, 103.2075°
Destination
CLASS B
ETA
2026-08-20T20:06:00Z
Departure port
LUBUK GAUNG
Actual time of departure
2026-08-27T16:54:00Z
AIS last updated
2026-09-03T03:11:00Z