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Indonesia flag

GARDATAMA01 — Tug · MMSI 525100870

IDClass B
World map showing the last known position of GARDATAMA01 at 4° 57.283' S, 106° 56.255' E
NSEW
Current PositionNo recent signal

GARDATAMA01 has not broadcast an AIS position for 7 days. Its most recent report placed it in the Java Sea, at 4.9547° S, 106.9376° E, on 1 Sep 2026, 20:38 UTC. It was sailing from CILEGON to JAKARTA.

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Updated 6 days ago using terrestrial data
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Class B
Current Navigational Status
2.4 kn
Speed
58.0°
/ 511°
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

Indonesia flag
CILEGONIDCGN
ATD
22:37 UTCSep 7, 2026
Indonesia flag
JAKARTAIDJKT
ETA
12:20 UTCAug 29, 2026
GARDATAMA01

GARDATAMA01

Identity

Tug
Type
Indonesia flagID
Flag
N/A
IMO Number
525100870
MMSI
YDB4948
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 GARDATAMA01 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 CILEGON
Port traffic, arrivals and live vessel positions for CILEGON (IDCGN).
Destination Port
Port of JAKARTA
Arrivals, berth specifications, and live vessel traffic for JAKARTA (IDJKT).

About GARDATAMA01

Identity · Ownership · Class · Route

GARDATAMA01 — Tug

GARDATAMA01 is a tug registered under the Indonesia flag.

GARDATAMA01 route and voyage history

GARDATAMA01 is currently on a voyage from CILEGON to JAKARTA with an estimated arrival on 2026-08-29T12:20:00Z. The live route and current course of GARDATAMA01 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 GARDATAMA01 can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 525100870
  • Call sign: YDB4948
  • Vessel type: Tug
  • Flag state: Indonesia

Frequently Asked Questions

Where is GARDATAMA01 right now?+
GARDATAMA01 has not broadcast an AIS position for 7 days. The most recent broadcast placed it in the Java Sea, on 1 Sep 2026, 20:38 UTC. It was sailing from CILEGON to JAKARTA. 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 GARDATAMA01?+
GARDATAMA01 broadcasts MMSI 525100870, with call sign YDB4948. 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 GARDATAMA01?+
GARDATAMA01 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 GARDATAMA01?+
MarineRadar shows the latest AIS broadcast from GARDATAMA01 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 GARDATAMA01'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 GARDATAMA01?+
As a tug, GARDATAMA01 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.

GARDATAMA01 — Key Facts

MMSI
525100870
Call sign
YDB4948
Vessel type
Tug
Flag state
ID
Navigation status
Class B
Current speed
2.4 knots
Course over ground
58.0°
Heading
511°
Last known position
-4.9547°, 106.9376°
Destination
JAKARTA
ETA
2026-08-29T12:20:00Z
Departure port
CILEGON
Actual time of departure
2026-09-07T22:37:00Z
AIS last updated
2026-09-01T20:38:44Z