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Indonesia flag

CAKRA 12 — Tug · MMSI 525100804

IDClass B
World map showing the last known position of CAKRA 12 at 6° 22.910' S, 108° 24.496' E
NSEW
Current PositionNo recent signal

CAKRA 12 has not broadcast an AIS position for 6 days. Its most recent report placed it in the Java Sea, at 6.3818° S, 108.4083° E, on 2 Sep 2026, 14:15 UTC. It was sailing from BALONGAN to BALONGAN.

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Updated 6 days ago using terrestrial data
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Class B
Current Navigational Status
0.4 kn
Speed
0.0°
/ ---
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

ATD
04:52 UTCAug 31, 2026
ETA
13:23 UTCAug 29, 2026
CAKRA 12

CAKRA 12

Identity

Tug
Type
Indonesia flagID
Flag
N/A
IMO Number
525100804
MMSI
YDB4919
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 CAKRA 12 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 BALONGAN
Port traffic, arrivals and live vessel positions for BALONGAN (IDBAL).

About CAKRA 12

Identity · Ownership · Class · Route

CAKRA 12 — Tug

CAKRA 12 is a tug registered under the Indonesia flag.

CAKRA 12 route and voyage history

CAKRA 12 is currently on a voyage from BALONGAN to BALONGAN with an estimated arrival on 2026-08-29T13:23:00Z. The live route and current course of CAKRA 12 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 CAKRA 12 can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 525100804
  • Call sign: YDB4919
  • Vessel type: Tug
  • Flag state: Indonesia

Frequently Asked Questions

Where is CAKRA 12 right now?+
CAKRA 12 has not broadcast an AIS position for 6 days. The most recent broadcast placed it in the Java Sea, on 2 Sep 2026, 14:15 UTC. It was sailing from BALONGAN to BALONGAN. 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 CAKRA 12?+
CAKRA 12 broadcasts MMSI 525100804, with call sign YDB4919. 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 CAKRA 12?+
CAKRA 12 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 CAKRA 12?+
MarineRadar shows the latest AIS broadcast from CAKRA 12 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 CAKRA 12'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 CAKRA 12?+
As a tug, CAKRA 12 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.

CAKRA 12 — Key Facts

MMSI
525100804
Call sign
YDB4919
Vessel type
Tug
Flag state
ID
Navigation status
Class B
Current speed
0.4 knots
Course over ground
0.0°
Last known position
-6.3818°, 108.4083°
Destination
BALONGAN
ETA
2026-08-29T13:23:00Z
Departure port
BALONGAN
Actual time of departure
2026-08-31T04:52:00Z
AIS last updated
2026-09-02T14:15:20Z