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Japan flag

YDT03 — Other · MMSI 431999653

JPUnderway Using Engine
World map showing the last known position of YDT03 at 34° 59.172' N, 139° 50.666' E
NSEW
Current PositionLast report

YDT03 was last reported under way in the Sea of Japan, at 34.9862° N, 139.8444° E, on 8 Sep 2026, 04:34 UTC. It was sailing from YOKOSUKA to TATEYAMA with an ETA of 8 Sep 2026, 04:09 UTC.

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Updated 11 hours ago using terrestrial data
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Underway Using Engine
Current Navigational Status
0.8 kn
Speed
264.0°
/ 71°
Course / Heading
---
Static Draught
2.5 m
Current Draught

Voyage Tracker

ATD
01:10 UTCSep 8, 2026
ETA
04:09 UTCSep 8, 2026
YDT03

YDT03

Identity

Other
Type
Japan flagJP
Flag
N/A
IMO Number
431999653
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 YDT03 is part of.

Flag State
All JP-flagged vessels
Browse every ship currently registered under the JP flag, with live AIS positions.
Departure Port
Port of YOKOSUKA
Port traffic, arrivals and live vessel positions for YOKOSUKA (JPYOS).
Destination Port
Port of TATEYAMA
Arrivals, berth specifications, and live vessel traffic for TATEYAMA (JPTTY).

About YDT03

Identity · Ownership · Class · Route

YDT03 — Vessel

YDT03 is a maritime vessel registered under the Japan flag.

YDT03 route and voyage history

YDT03 is currently on a voyage from YOKOSUKA to TATEYAMA with an estimated arrival on 2026-09-08T04:09:00Z. The live route and current course of YDT03 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 YDT03 can be seen in the Similar Vessels section above.

  • MMSI: 431999653
  • Flag state: Japan

Frequently Asked Questions

Where is YDT03 right now?+
YDT03 was last reported under way in the Sea of Japan, within the Japan / Korea shipping lane, on 8 Sep 2026, 04:34 UTC. It was sailing from YOKOSUKA to TATEYAMA with an ETA of 8 Sep 2026, 04:09 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 YDT03?+
YDT03 broadcasts MMSI 431999653. 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 YDT03?+
YDT03 is a maritime vessel registered under the JP flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder and full JP flag list at /flag/jp.
How can I see the live position of YDT03?+
MarineRadar shows the latest AIS broadcast from YDT03 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 YDT03'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 YDT03?+
The vessel's design class is inferred from its dimensions, gross tonnage and dead weight, all of which are listed in the Identity and Specifications panels on the vessel page.

YDT03 — Key Facts

MMSI
431999653
Vessel type
Unknown
Flag state
JP
Navigation status
Underway Using Engine
Current speed
0.8 knots
Course over ground
264.0°
Heading
71°
Last known position
34.9862°, 139.8444°
Destination
TATEYAMA
ETA
2026-09-08T04:09:00Z
Departure port
YOKOSUKA
Actual time of departure
2026-09-08T01:10:00Z
Current draught
2.5 m
AIS last updated
2026-09-08T04:34:38Z