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Indonesia flag

TB.BERKAT MANDIRI 6 — Tug · MMSI 525100817

IDClass B
World map showing the last known position of TB.BERKAT MANDIRI 6 at 5° 47.895' S, 109° 57.700' E
NSEW
Current PositionNo recent signal

TB.BERKAT MANDIRI 6 has not broadcast an AIS position for 39 days. Its most recent report placed it in the Java Sea, at 5.7983° S, 109.9617° E, on 31 Jul 2026, 17:30 UTC. It was sailing from GRESIK to JAKARTA ANCH.

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Updated 38 days ago using terrestrial data
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Class B
Current Navigational Status
4.1 kn
Speed
324.0°
/ 511°
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

Indonesia flag
GRESIKIDGRE
ATD
02:54 UTCJul 30, 2026
ETA
21:39 UTCJul 27, 2026
TB.BERKAT MANDIRI 6

TB.BERKAT MANDIRI 6

Identity

Tug
Type
Indonesia flagID
Flag
N/A
IMO Number
525100817
MMSI
YDA3938
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.BERKAT MANDIRI 6 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 JAKARTA ANCH
Arrivals, berth specifications, and live vessel traffic for JAKARTA ANCH (IDJKT).

About TB.BERKAT MANDIRI 6

Identity · Ownership · Class · Route

TB.BERKAT MANDIRI 6 — Tug

TB.BERKAT MANDIRI 6 is a tug registered under the Indonesia flag.

TB.BERKAT MANDIRI 6 route and voyage history

TB.BERKAT MANDIRI 6 is currently on a voyage from GRESIK to JAKARTA ANCH with an estimated arrival on 2026-07-27T21:39:00Z. The live route and current course of TB.BERKAT MANDIRI 6 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.BERKAT MANDIRI 6 can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 525100817
  • Call sign: YDA3938
  • Vessel type: Tug
  • Flag state: Indonesia

Frequently Asked Questions

Where is TB.BERKAT MANDIRI 6 right now?+
TB.BERKAT MANDIRI 6 has not broadcast an AIS position for 39 days. The most recent broadcast placed it in the Java Sea, on 31 Jul 2026, 17:30 UTC. It was sailing from GRESIK to JAKARTA 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.BERKAT MANDIRI 6?+
TB.BERKAT MANDIRI 6 broadcasts MMSI 525100817, with call sign YDA3938. 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.BERKAT MANDIRI 6?+
TB.BERKAT MANDIRI 6 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.BERKAT MANDIRI 6?+
MarineRadar shows the latest AIS broadcast from TB.BERKAT MANDIRI 6 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.BERKAT MANDIRI 6'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.BERKAT MANDIRI 6?+
As a tug, TB.BERKAT MANDIRI 6 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.BERKAT MANDIRI 6 — Key Facts

MMSI
525100817
Call sign
YDA3938
Vessel type
Tug
Flag state
ID
Navigation status
Class B
Current speed
4.1 knots
Course over ground
324.0°
Heading
511°
Last known position
-5.7983°, 109.9617°
Destination
JAKARTA ANCH
ETA
2026-07-27T21:39:00Z
Departure port
GRESIK
Actual time of departure
2026-07-30T02:54:00Z
AIS last updated
2026-07-31T17:30:00Z