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Indonesia flag

TB.LIBERTY 23 — Tug · MMSI 525117027

IDClass B
World map showing the last known position of TB.LIBERTY 23 at 1° 24.215' N, 118° 47.378' E
NSEW
Current PositionLive

TB.LIBERTY 23 is currently under way in the South China Sea, at 1.4036° N, 118.7896° E, making 1.7 knots on a course of 305°. It is sailing from KALIORANG to KALIORANG with an ETA of 2 Sep 2026, 06:35 UTC. AIS position received 8 Sep 2026, 14:47 UTC.

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Updated 1 hour ago using terrestrial data
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Class B
Current Navigational Status
1.7 kn
Speed
305.0°
/ 511°
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

ATD
01:48 UTCSep 7, 2026
ETA
06:35 UTCSep 2, 2026
TB.LIBERTY 23

TB.LIBERTY 23

Identity

Tug
Type
Indonesia flagID
Flag
N/A
IMO Number
525117027
MMSI
YD5359
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.LIBERTY 23 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 KALIORANG
Port traffic, arrivals and live vessel positions for KALIORANG (IDKLR).

About TB.LIBERTY 23

Identity · Ownership · Class · Route

TB.LIBERTY 23 — Tug

TB.LIBERTY 23 is a tug registered under the Indonesia flag.

TB.LIBERTY 23 route and voyage history

TB.LIBERTY 23 is currently on a voyage from KALIORANG to KALIORANG with an estimated arrival on 2026-09-02T06:35:00Z. The live route and current course of TB.LIBERTY 23 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.LIBERTY 23 can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 525117027
  • Call sign: YD5359
  • Vessel type: Tug
  • Flag state: Indonesia

Frequently Asked Questions

Where is TB.LIBERTY 23 right now?+
TB.LIBERTY 23 is currently under way in the South China Sea. It is sailing from KALIORANG to KALIORANG with an ETA of 2 Sep 2026, 06:35 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 TB.LIBERTY 23?+
TB.LIBERTY 23 broadcasts MMSI 525117027, with call sign YD5359. 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.LIBERTY 23?+
TB.LIBERTY 23 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.LIBERTY 23?+
MarineRadar shows the latest AIS broadcast from TB.LIBERTY 23 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.LIBERTY 23'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.LIBERTY 23?+
As a tug, TB.LIBERTY 23 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.LIBERTY 23 — Key Facts

MMSI
525117027
Call sign
YD5359
Vessel type
Tug
Flag state
ID
Navigation status
Class B
Current speed
1.7 knots
Course over ground
305.0°
Heading
511°
Last known position
1.4036°, 118.7896°
Destination
KALIORANG
ETA
2026-09-02T06:35:00Z
Departure port
KALIORANG
Actual time of departure
2026-09-07T01:48:00Z
AIS last updated
2026-09-08T14:47:33Z