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Singapore flag

E T HARBOUR 21 — Tug · MMSI 563004560

SGClass B
World map showing the last known position of E T HARBOUR 21 at 1° 18.527' N, 103° 38.696' E
NSEW
Current PositionLive

E T HARBOUR 21 is currently positioned in the South China Sea, at 1.3088° N, 103.6449° E. It is sailing from SINGAPORE to SINGAPORE with an ETA of 31 Aug 2026, 07:38 UTC. AIS position received 8 Sep 2026, 17:29 UTC.

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Updated 2 minutes ago using terrestrial data
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Class B
Current Navigational Status
0.0 kn
Speed
0.0°
/ 511°
Course / Heading
---
Static Draught
9.2 m
Current Draught

Voyage Tracker

ATD
06:58 UTCAug 31, 2026
ETA
07:38 UTCAug 31, 2026
E T HARBOUR 21

E T HARBOUR 21

Identity

Tug
Type
Singapore flagSG
Flag
N/A
IMO Number
563004560
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 E T HARBOUR 21 is part of.

Flag State
All SG-flagged vessels
Browse every ship currently registered under the SG 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 SINGAPORE
Port traffic, arrivals and live vessel positions for SINGAPORE (SGSIN).

About E T HARBOUR 21

Identity · Ownership · Class · Route

E T HARBOUR 21 — Tug

E T HARBOUR 21 is a tug registered under the Singapore flag.

E T HARBOUR 21 route and voyage history

E T HARBOUR 21 is currently on a voyage from SINGAPORE to SINGAPORE with an estimated arrival on 2026-08-31T07:38:00Z. The live route and current course of E T HARBOUR 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 E T HARBOUR 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 E T HARBOUR 21 right now?+
E T HARBOUR 21 is currently in the South China Sea, within the Strait of Malacca. It is sailing from SINGAPORE to SINGAPORE with an ETA of 31 Aug 2026, 07:38 UTC. 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 E T HARBOUR 21?+
E T HARBOUR 21 broadcasts MMSI 563004560. 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 E T HARBOUR 21?+
E T HARBOUR 21 is classified as a tug vessel registered under the SG 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 SG flag list at /flag/sg.
How can I see the live position of E T HARBOUR 21?+
MarineRadar shows the latest AIS broadcast from E T HARBOUR 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 E T HARBOUR 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 E T HARBOUR 21?+
As a tug, E T HARBOUR 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.

E T HARBOUR 21 — Key Facts

MMSI
563004560
Vessel type
Tug
Flag state
SG
Navigation status
Class B
Current speed
0.0 knots
Course over ground
0.0°
Heading
511°
Last known position
1.3088°, 103.6449°
Destination
SINGAPORE
ETA
2026-08-31T07:38:00Z
Departure port
SINGAPORE
Actual time of departure
2026-08-31T06:58:00Z
Current draught
9.2 m
AIS last updated
2026-09-08T17:29:35Z