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Japan flag

NO3MATHUMARU — Tug · MMSI 431007563

JPUnderway
World map showing the last known position of NO3MATHUMARU at 33° 8.741' N, 129° 45.162' E
NSEW
Current PositionNo recent signal

NO3MATHUMARU has not broadcast an AIS position for 5 days. Its most recent report placed it in the East China Sea, at 33.1457° N, 129.7527° E, on 4 Sep 2026, 02:11 UTC. It was sailing from NAGASAKI to NAGASAKI.

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Updated 4 days ago using terrestrial data
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Underway
Current Navigational Status
0.0 kn
Speed
306.0°
/ ---
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

ATD
22:19 UTCSep 3, 2026
ETA
23:41 UTCSep 1, 2026
NO3MATHUMARU

NO3MATHUMARU

Identity

Tug
Type
Japan flagJP
Flag
N/A
IMO Number
431007563
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 NO3MATHUMARU is part of.

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

About NO3MATHUMARU

Identity · Ownership · Class · Route

NO3MATHUMARU — Tug

NO3MATHUMARU is a tug registered under the Japan flag.

NO3MATHUMARU route and voyage history

NO3MATHUMARU is currently on a voyage from NAGASAKI to NAGASAKI with an estimated arrival on 2026-09-01T23:41:00Z. The live route and current course of NO3MATHUMARU 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 NO3MATHUMARU can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

  • MMSI: 431007563
  • Vessel type: Tug
  • Flag state: Japan

Frequently Asked Questions

Where is NO3MATHUMARU right now?+
NO3MATHUMARU has not broadcast an AIS position for 5 days. The most recent broadcast placed it in the East China Sea, on 4 Sep 2026, 02:11 UTC. It was sailing from NAGASAKI to NAGASAKI. 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 NO3MATHUMARU?+
NO3MATHUMARU broadcasts MMSI 431007563. 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 NO3MATHUMARU?+
NO3MATHUMARU is classified as a tug vessel registered under the JP 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 JP flag list at /flag/jp.
How can I see the live position of NO3MATHUMARU?+
MarineRadar shows the latest AIS broadcast from NO3MATHUMARU 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 NO3MATHUMARU'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 NO3MATHUMARU?+
As a tug, NO3MATHUMARU 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.

NO3MATHUMARU — Key Facts

MMSI
431007563
Vessel type
Tug
Flag state
JP
Navigation status
Underway
Current speed
0.0 knots
Course over ground
306.0°
Last known position
33.1457°, 129.7527°
Destination
NAGASAKI
ETA
2026-09-01T23:41:00Z
Departure port
NAGASAKI
Actual time of departure
2026-09-03T22:19:00Z
AIS last updated
2026-09-04T02:11:00Z