What kind of ship is ALEGRIA 1?

ALEGRIA 1 is an oil tanker sailing under the flag of Marshall Islands, built in 2012 by Sumitomo Heavy Industries. The vessel is 229 m long with a beam of 42 m and has a gross tonnage of 56,326.

Who is recorded as the owner or manager of ALEGRIA 1?

RIVERTON SHIPPING S.A. is recorded as ISM manager for ALEGRIA 1 (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 ALEGRIA 1?

Voydar has no matched sanctions record displayed for ALEGRIA 1 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 ALEGRIA 1. Missing records do not establish whether the ship has been detained.

ALEGRIA 1

Oil tanker · Marshall Islands · built 2012 · AIS Class A

IMO9543536MMSI538012958Call signV7B3551Last AIS position Sep 19, 2026, 14:27 UTC

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In short

ALEGRIA 1 (Oil tanker, Marshall Islands flag) was last seen on AIS on Sep 19, 2026, 14:27 UTC, under way at 11.4 kn, in the North Pacific Ocean. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. ISM manager: RIVERTON SHIPPING S.A. (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).

Vessel type: Oil tanker
Flag: Marshall Islands
Year built: 2012
Gross tonnage: 56,326
Size (length × beam): 229 m × 42 m
ISM manager: RIVERTON SHIPPING S.A.

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Last reported position

received Sep 19, 2026, 14:27 UTC

Position: 48.5022° N, 125.9442° W
Area: North Pacific Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 11.4 kn
Course: 271°
Heading: 271°

48.5022° N, 125.9442° W

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Voydar detected no port call in the last 30 days.

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: ALEGRIA 1
IMO numberWhat is an IMO number?: 9543536
MMSIWhat is an MMSI?: 538012958
Call signWhat is a call sign?: V7B3551
Flag: Marshall Islands
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsOil tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 56,326
Length overall: 229 m
Beam: 42 m
Year built: 2012

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: RIVERTON SHIPPING S.A.
Source: EU MRV (THETIS-MRV) emissions · reporting years 2024–2025 · reported · confidence 0.9 · retrieved Sep 28, 2026
Builder: Sumitomo Heavy Industries
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 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.

Date	Event	Source
Oct 14, 2025, 02:10 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Oct 12, 2025, 08:22 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Dec 30, 2016	Reported departure from Texas CityAuthority-reported	USACE foreign traffic vessel entrances & clearances
Dec 29, 2016	Reported arrival at Texas CityAuthority-reported	USACE foreign traffic vessel entrances & clearances

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.

Year	CO₂ emitted	Fuel burned	Time at sea	CO₂ / n mile
2018	8,227 t	2,621 t	43 days	846 kg
2019	10,980 t	3,506 t	157 days	423 kg
2020	9,479 t	2,992 t	78 days	469 kg
2021	16,395 t	5,222 t	178 days	428 kg
2022	22,071 t	7,033 t	198 days	464 kg
2023	2,988 t	958 t	25 days	421 kg
2024	3,545 t	1,131 t	23 days	612 kg
2025	0 t	0 t	0 days	—

Technical efficiency: EIV (3.97 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.

Reported by authorities Authority-reported

Port	Record	Date (UTC)	Berth	Source
Hong Kong HKHKG	Arrival	Oct 12, 2025, 08:22 UTC	EMTY	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Texas City USTXT	Departure	Dec 30, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Texas City USTXT	Arrival	Dec 29, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Port Arthur USPOA	Departure	Dec 8, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Port Arthur USPOA	Arrival	Dec 7, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Texas City USTXT	Departure	Nov 29, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Texas City USTXT	Arrival	Nov 28, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Beaumont USBPT	Departure	Nov 23, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Beaumont USBPT	Arrival	Nov 22, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Freeport USFPO	Departure	Nov 14, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Freeport USFPO	Arrival	Nov 14, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Lake Charles USLCH	Departure	Oct 28, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: September 16, 2013.

Source: Marine Department, HKSAR Government — DATA.GOV.HK. Licence: DATA.GOV.HK Terms and Conditions.

Source: US Army Corps of Engineers, Waterborne Commerce Statistics Center (US CBP entrance/clearance records). Licence: US Government work — public domain.

Frequently asked questions

Where is ALEGRIA 1 now?: ALEGRIA 1 (Oil tanker, Marshall Islands flag) was last seen on AIS on Sep 19, 2026, 14:27 UTC, under way at 11.4 kn, in the North Pacific Ocean. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report.
What kind of ship is ALEGRIA 1?: ALEGRIA 1 is an oil tanker sailing under the flag of Marshall Islands, built in 2012 by Sumitomo Heavy Industries. The vessel is 229 m long with a beam of 42 m and has a gross tonnage of 56,326.
Who is recorded as the owner or manager of ALEGRIA 1?: RIVERTON SHIPPING S.A. is recorded as ISM manager for ALEGRIA 1 (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 ALEGRIA 1?: Voydar has no matched sanctions record displayed for ALEGRIA 1 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 ALEGRIA 1. Missing records do not establish whether the ship has been detained.

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