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Indonesia flag

TB ATLANTIC STAR 21 — Tug · MMSI 525200605

IDClass B
World map showing the last known position of TB ATLANTIC STAR 21 at 0° 33.256' S, 117° 11.128' E
NSEW
Current PositionLast report

TB ATLANTIC STAR 21 was last reported under way in the Indian Ocean, at 0.5543° S, 117.1855° E, on 8 Sep 2026, 03:52 UTC. It was sailing from MUARA BERAU ANCH to SAMARINDA with an ETA of 6 Sep 2026, 20:34 UTC.

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Updated 15 hours ago using terrestrial data
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Class B
Current Navigational Status
5.3 kn
Speed
293.0°
/ 511°
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

ATD
13:18 UTCSep 6, 2026
ETA
20:34 UTCSep 6, 2026
TB ATLANTIC STAR 21

TB ATLANTIC STAR 21

Identity

Tug
Type
Indonesia flagID
Flag
N/A
IMO Number
525200605
MMSI
YDA6123
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 ATLANTIC STAR 21 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 MUARA BERAU ANCH
Port traffic, arrivals and live vessel positions for MUARA BERAU ANCH (IDMUB).
Destination Port
Port of SAMARINDA
Arrivals, berth specifications, and live vessel traffic for SAMARINDA (IDSRI).

About TB ATLANTIC STAR 21

Identity · Ownership · Class · Route

TB ATLANTIC STAR 21 — Tug

TB ATLANTIC STAR 21 is a tug registered under the Indonesia flag.

TB ATLANTIC STAR 21 route and voyage history

TB ATLANTIC STAR 21 is currently on a voyage from MUARA BERAU ANCH to SAMARINDA with an estimated arrival on 2026-09-06T20:34:00Z. The live route and current course of TB ATLANTIC STAR 21 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 ATLANTIC STAR 21 can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 525200605
  • Call sign: YDA6123
  • Vessel type: Tug
  • Flag state: Indonesia

Frequently Asked Questions

Where is TB ATLANTIC STAR 21 right now?+
TB ATLANTIC STAR 21 was last reported under way in the Indian Ocean, on 8 Sep 2026, 03:52 UTC. It was sailing from MUARA BERAU ANCH to SAMARINDA with an ETA of 6 Sep 2026, 20:34 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 ATLANTIC STAR 21?+
TB ATLANTIC STAR 21 broadcasts MMSI 525200605, with call sign YDA6123. 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 ATLANTIC STAR 21?+
TB ATLANTIC STAR 21 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 ATLANTIC STAR 21?+
MarineRadar shows the latest AIS broadcast from TB ATLANTIC STAR 21 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 ATLANTIC STAR 21'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 ATLANTIC STAR 21?+
As a tug, TB ATLANTIC STAR 21 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 ATLANTIC STAR 21 — Key Facts

MMSI
525200605
Call sign
YDA6123
Vessel type
Tug
Flag state
ID
Navigation status
Class B
Current speed
5.3 knots
Course over ground
293.0°
Heading
511°
Last known position
-0.5543°, 117.1855°
Destination
SAMARINDA
ETA
2026-09-06T20:34:00Z
Departure port
MUARA BERAU ANCH
Actual time of departure
2026-09-06T13:18:00Z
AIS last updated
2026-09-08T03:52:08Z