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Indonesia flag

SEMESTA 16 — Tug · MMSI 525801441

ID
World map showing the last known position of SEMESTA 16 at 4° 59.900' S, 121° 50.128' E
NSEW
Current PositionLast report

SEMESTA 16 was last reported in the Indian Ocean, at 4.9983° S, 121.8355° E.

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Updated — using terrestrial data
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See where SEMESTA 16 is now

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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 16

SEMESTA 16

Identity

Tug
Type
Indonesia flagID
Flag
N/A
IMO Number
525801441
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 16 — straight from your phone.

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Dive into the fleet, port, and flag state that SEMESTA 16 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 16

Identity · Ownership · Class · Route

SEMESTA 16 — Tug

SEMESTA 16 is a tug registered under the Indonesia flag.

SEMESTA 16 route and voyage history

The most recent AIS broadcast from SEMESTA 16 is shown on the live map above. The live route and current course of SEMESTA 16 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 16 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 SEMESTA 16 right now?+
SEMESTA 16 was last reported in the Indian Ocean. 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 16?+
SEMESTA 16 broadcasts MMSI 525801441. 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 16?+
SEMESTA 16 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 16?+
MarineRadar shows the latest AIS broadcast from SEMESTA 16 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 16'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 16?+
As a tug, SEMESTA 16 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 16 — Key Facts

MMSI
525801441
Vessel type
Tug
Flag state
ID
Current speed
0.0 knots
Course over ground
0.0°
Last known position
-4.9983°, 121.8355°