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Indonesia flag

SEMESTA — Tug · IMO 8686604

ID
World map showing the last known position of SEMESTA at 0° 28.118' S, 102° 45.656' E
NSEW
Current PositionLast report

SEMESTA was last reported in the Strait of Malacca, at 0.4686° S, 102.7609° E.

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Updated — using terrestrial data
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Unknown
Current Navigational Status
0.0 kn
Speed
0.0°
/ ---
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

N/A
ATD
N/A
N/A
ETA
N/A
SEMESTA

SEMESTA

Identity

Tug
Type
Indonesia flagID
Flag
8686604
IMO Number
525007143
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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Real-time AIS positions, voyage history, and arrival alerts for SEMESTA — straight from your phone.

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Dive into the fleet, port, and flag state that SEMESTA 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.

About SEMESTA

Identity · Ownership · Class · Route

SEMESTA — Tug

SEMESTA is a tug registered under the Indonesia flag.

SEMESTA route and voyage history

The most recent AIS broadcast from SEMESTA is shown on the live map above. The live route and current course of SEMESTA 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 SEMESTA can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 525007143
  • IMO: 8686604
  • Vessel type: Tug
  • Flag state: Indonesia

Frequently Asked Questions

Where is SEMESTA right now?+
SEMESTA was last reported in the Strait of Malacca, within the Strait of Malacca. 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 SEMESTA?+
SEMESTA broadcasts MMSI 525007143 and is registered as IMO 8686604. 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 SEMESTA?+
SEMESTA 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 SEMESTA?+
MarineRadar shows the latest AIS broadcast from SEMESTA 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 SEMESTA'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 SEMESTA?+
As a tug, SEMESTA 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.

SEMESTA — Key Facts

MMSI
525007143
IMO number
8686604
Vessel type
Tug
Flag state
ID
Current speed
0.0 knots
Course over ground
0.0°
Last known position
-0.4686°, 102.7609°