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SEAGUARDIAN

Oil tanker · Marshall Islands · AIS Class A

IMO9891919MMSI538009055Call signV7A4249Last AIS position Oct 6, 2026, 13:59 UTC

In short

SEAGUARDIAN (Oil tanker, Marshall Islands flag) was last seen on AIS on , moored, in the port of Mongstad. Its crew-entered AIS destination is NLRTM>>>NOMON; its reported draught is 8.3 m (voyage report via BarentsWatch AIS API, received Oct 6, 2026, 13:56 UTC). It arrived there on Oct 6, 2026, 00:08 UTC. ISM manager: Valles Steamship (Canada) Ltd (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).

Vessel type
Oil tanker
Year built
—
Gross tonnage
—
Size (length × beam)
—

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Last reported position

received
Position
60.8184° N, 5.0331° E
Area
North Sea
Speed
0 kn
Course
42°
Heading
304°
60.8184° N, 5.0331° E
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Last 30 days: 1 port call (Mongstad).

Port calls are detected by Voydar from AIS (at least 30 minutes slow inside a harbour area); see Port calls below.

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Identity & particulars

Name
SEAGUARDIAN
IMO numberWhat is an IMO number?
9891919
MMSIWhat is an MMSI?
538009055
Call signWhat is a call sign?
V7A4249
AIS ship type
Tanker
Length overall
—
Beam
—
Year built
—

A tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.

Ownership & management

Each line shows where the fact comes from. Links backed by an identifier point to the company page.

ISM manager
Source: EU MRV (THETIS-MRV) emissions · reporting years 2024–2025 · reported · confidence 0.9 · retrieved Oct 5, 2026

Timeline

Dated events for this ship from every source Voydar holds, newest first. Each line names its source; derived items say how they were derived.

DateEventSource
Arrived at MongstadAIS-detectedVoydar port-call detector (AIS geofence)

Owner, operator and manager changes found by comparing yearly EU MRV reports are dated to the reporting year ("during 2025"), not to a day. Port calls here are the most recent only; the full lists are further down.

Emissions & fuel consumption

Independently verified annual figures reported under the EU MRV regulation — public environmental data the incumbents don't surface.

YearCO₂ emittedFuel burnedTime at seaCO₂ / n mile
20213,497 t1,098 t33 days403 kg
202210,424 t3,322 t94 days384 kg
20233,874 t1,226 t28 days497 kg
20245,882 t1,865 t59 days457 kg
202522,849 t7,278 t241 days342 kg

Technical efficiency: EEXI (3.03 gCO₂/t·nm). Source: European Commission / EMSA THETIS-MRV (EU Regulation 2015/757). Covers voyages to, from and within the EU/EEA.

Port calls

Two kinds of evidence, kept apart: calls Voydar detected from the ship's AIS positions, and arrivals and departures published by port authorities and customs records.

Detected from AIS AIS-detected

PortArrivedDepartedTime in port
Mongstad NOMONOct 6, 2026, 00:08 UTCin port—

Detected by Voydar when the ship's AIS positions stayed slow inside a harbour area. Calls shorter than 30 minutes are not shown. Depends on AIS reception; detection started on June 8, 2026.

Behaviour at sea Voydar-derived

Patterns Voydar derived from this ship's AIS broadcasts. They are inferences, not reports: each one shows how it was computed and how confident we are, and none of them says why a ship behaved this way.

WhenWhat we observedConfidence
Sep 22, 2026, 19:25 UTC
Loitering

Stayed within 9.9 km for 19 h 34 min (drifting), 37 km from the nearest port and outside known anchorages.

Method seadar.behaviour.loitering v1

Medium (60%)

Source: AISstream.io global terrestrial AIS. AIS data: AISstream.io. Licence: none published.

Source: BarentsWatch AIS API. Contains data under NLOD made available by BarentsWatch. Licence: NLOD 2.0 (probable).

Derived from AIS positions of feeds whose terms allow display on Voydar. Coverage is terrestrial: gaps are reported only where our receivers kept hearing other ships. Detections below medium confidence are not shown.

How these are computed →

Frequently asked questions

Where is SEAGUARDIAN now?
SEAGUARDIAN (Oil tanker, Marshall Islands flag) was last seen on AIS on Oct 6, 2026, 13:59 UTC, moored, in the port of Mongstad. The crew-entered destination was NLRTM>>>NOMON (voyage report via BarentsWatch AIS API, received Oct 6, 2026, 13:56 UTC). This report does not confirm the ship’s current route.
What kind of ship is SEAGUARDIAN?
SEAGUARDIAN is an oil tanker sailing under the flag of Marshall Islands.
Who is recorded as the owner or manager of SEAGUARDIAN?
Valles Steamship (Canada) Ltd is recorded as ISM manager for SEAGUARDIAN (source: EU MRV (THETIS-MRV) emissions; reporting years 2024–2025). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Voydar hold for SEAGUARDIAN?
Voydar has no matched sanctions record displayed for SEAGUARDIAN from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for SEAGUARDIAN. Missing records do not establish whether the ship has been detained.

Use this data

This page is also available as JSON, free, with the source and licence of every section. Sections whose sources do not permit redistribution are listed as withheld.

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