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Indonesia flag

TB.MAHAKARYA II — Tug · MMSI 525601578

IDClass B
World map showing the last known position of TB.MAHAKARYA II at 7° 0.379' S, 106° 16.154' E
NSEW
Current PositionLast report

TB.MAHAKARYA II was last reported under way in the Java Sea, at 7.0063° S, 106.2692° E, on 8 Sep 2026, 00:50 UTC. It was sailing from JAKARTA to PELABUHAN RATU with an ETA of 8 Sep 2026, 07:44 UTC.

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Updated 18 hours ago using terrestrial data
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Class B
Current Navigational Status
2.7 kn
Speed
105.0°
/ 511°
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

Indonesia flag
JAKARTAIDJKT
ATD
22:43 UTCAug 23, 2026
ETA
07:44 UTCSep 8, 2026
TB.MAHAKARYA II

TB.MAHAKARYA II

Identity

Tug
Type
Indonesia flagID
Flag
N/A
IMO Number
525601578
MMSI
YBA4379
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.MAHAKARYA II 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 JAKARTA
Port traffic, arrivals and live vessel positions for JAKARTA (IDJKT).
Destination Port
Port of PELABUHAN RATU
Arrivals, berth specifications, and live vessel traffic for PELABUHAN RATU (IDMRK).

About TB.MAHAKARYA II

Identity · Ownership · Class · Route

TB.MAHAKARYA II — Tug

TB.MAHAKARYA II is a tug registered under the Indonesia flag.

TB.MAHAKARYA II route and voyage history

TB.MAHAKARYA II is currently on a voyage from JAKARTA to PELABUHAN RATU with an estimated arrival on 2026-09-08T07:44:00Z. The live route and current course of TB.MAHAKARYA II 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.MAHAKARYA II can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 525601578
  • Call sign: YBA4379
  • Vessel type: Tug
  • Flag state: Indonesia

Frequently Asked Questions

Where is TB.MAHAKARYA II right now?+
TB.MAHAKARYA II was last reported under way in the Java Sea, on 8 Sep 2026, 00:50 UTC. It was sailing from JAKARTA to PELABUHAN RATU with an ETA of 8 Sep 2026, 07:44 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.MAHAKARYA II?+
TB.MAHAKARYA II broadcasts MMSI 525601578, with call sign YBA4379. 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.MAHAKARYA II?+
TB.MAHAKARYA II 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.MAHAKARYA II?+
MarineRadar shows the latest AIS broadcast from TB.MAHAKARYA II 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.MAHAKARYA II'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.MAHAKARYA II?+
As a tug, TB.MAHAKARYA II 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.MAHAKARYA II — Key Facts

MMSI
525601578
Call sign
YBA4379
Vessel type
Tug
Flag state
ID
Navigation status
Class B
Current speed
2.7 knots
Course over ground
105.0°
Heading
511°
Last known position
-7.0063°, 106.2692°
Destination
PELABUHAN RATU
ETA
2026-09-08T07:44:00Z
Departure port
JAKARTA
Actual time of departure
2026-08-23T22:43:00Z
AIS last updated
2026-09-08T00:50:20Z