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Indonesia flag

LIBERTY 21 — Tug · MMSI 525117026

ID
World map showing the last known position of LIBERTY 21 at 4° 14.940' S, 115° 55.472' E
NSEW
Current PositionLast report

LIBERTY 21 was last reported in the Java Sea, at 4.2490° S, 115.9245° E.

Show in Map
Updated — using terrestrial data
Live Satellite · latest position

See where LIBERTY 21 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
LIBERTY 21

LIBERTY 21

Identity

Tug
Type
Indonesia flagID
Flag
N/A
IMO Number
525117026
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 LIBERTY 21 — straight from your phone.

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

About LIBERTY 21

Identity · Ownership · Class · Route

LIBERTY 21 — Tug

LIBERTY 21 is a tug registered under the Indonesia flag.

LIBERTY 21 route and voyage history

The most recent AIS broadcast from LIBERTY 21 is shown on the live map above. The live route and current course of LIBERTY 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 LIBERTY 21 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 LIBERTY 21 right now?+
LIBERTY 21 was last reported in the Java Sea. 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 LIBERTY 21?+
LIBERTY 21 broadcasts MMSI 525117026. 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 LIBERTY 21?+
LIBERTY 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 LIBERTY 21?+
MarineRadar shows the latest AIS broadcast from LIBERTY 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 LIBERTY 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 LIBERTY 21?+
As a tug, LIBERTY 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.

LIBERTY 21 — Key Facts

MMSI
525117026
Vessel type
Tug
Flag state
ID
Current speed
0.0 knots
Course over ground
0.0°
Last known position
-4.2490°, 115.9245°