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Indonesia flag

MITRA SEJAHTERA III — Tug · MMSI 525021455

IDClass B
World map showing the last known position of MITRA SEJAHTERA III at 1° 13.987' N, 103° 7.649' E
NSEW
Current PositionNo recent signal

MITRA SEJAHTERA III has not broadcast an AIS position for 4 days. Its most recent report placed it in the South China Sea, at 1.2331° N, 103.1275° E, on 5 Sep 2026, 08:37 UTC. It was sailing from TANJUNG UBAN to BATU AMPAR.

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Updated 3 days ago using terrestrial data
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Class B
Current Navigational Status
3.4 kn
Speed
262.0°
/ 511°
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

ATD
05:07 UTCSep 4, 2026
ETA
16:42 UTCSep 3, 2026
MITRA SEJAHTERA III

MITRA SEJAHTERA III

Identity

Tug
Type
Indonesia flagID
Flag
N/A
IMO Number
525021455
MMSI
N/A
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 MITRA SEJAHTERA III 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 TANJUNG UBAN
Port traffic, arrivals and live vessel positions for TANJUNG UBAN (IDITN).
Destination Port
Port of BATU AMPAR
Arrivals, berth specifications, and live vessel traffic for BATU AMPAR (IDBUR).

About MITRA SEJAHTERA III

Identity · Ownership · Class · Route

MITRA SEJAHTERA III — Tug

MITRA SEJAHTERA III is a tug registered under the Indonesia flag.

MITRA SEJAHTERA III route and voyage history

MITRA SEJAHTERA III is currently on a voyage from TANJUNG UBAN to BATU AMPAR with an estimated arrival on 2026-09-03T16:42:00Z. The live route and current course of MITRA SEJAHTERA III 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 MITRA SEJAHTERA III can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

Frequently Asked Questions

Where is MITRA SEJAHTERA III right now?+
MITRA SEJAHTERA III has not broadcast an AIS position for 4 days. The most recent broadcast placed it in the South China Sea, on 5 Sep 2026, 08:37 UTC. It was sailing from TANJUNG UBAN to BATU AMPAR. 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 MITRA SEJAHTERA III?+
MITRA SEJAHTERA III broadcasts MMSI 525021455. 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 MITRA SEJAHTERA III?+
MITRA SEJAHTERA III 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 MITRA SEJAHTERA III?+
MarineRadar shows the latest AIS broadcast from MITRA SEJAHTERA III 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 MITRA SEJAHTERA III'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 MITRA SEJAHTERA III?+
As a tug, MITRA SEJAHTERA III 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.

MITRA SEJAHTERA III — Key Facts

MMSI
525021455
Vessel type
Tug
Flag state
ID
Navigation status
Class B
Current speed
3.4 knots
Course over ground
262.0°
Heading
511°
Last known position
1.2331°, 103.1275°
Destination
BATU AMPAR
ETA
2026-09-03T16:42:00Z
Departure port
TANJUNG UBAN
Actual time of departure
2026-09-04T05:07:00Z
AIS last updated
2026-09-05T08:37:02Z