What kind of ship is Blue Sea?

Blue Sea is an oil tanker sailing under the flag of Portugal, built in 2009 by Sumitomo Heavy Industries. The vessel is 229 m long with a beam of 42 m and has a gross tonnage of 55,863.

Who is recorded as the owner or manager of Blue Sea?

Estoril Navigation Ltd is recorded as ISM manager for Blue Sea (source: EU MRV (THETIS-MRV) emissions; reporting year 2025). This source record does not independently confirm today’s ownership or management.

What sanctions and inspection records does Voydar hold for Blue Sea?

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

Blue Sea

Oil tanker · Portugal · built 2009 · AIS Class A

IMO9413028MMSI255915925Call signCQ2383Last AIS position Sep 16, 2026, 18:21 UTC

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In short

Blue Sea (Oil tanker, Portugal flag) was last seen on AIS on Sep 16, 2026, 18:21 UTC, under way at 11.8 kn, in the Red Sea. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. ISM manager: Estoril Navigation Ltd (source: EU MRV (THETIS-MRV) emissions, reporting year 2025).

Vessel type: Oil tanker
Flag: Portugal
Year built: 2009
Gross tonnage: 55,863
Size (length × beam): 229 m × 42 m
ISM manager: Estoril Navigation Ltd

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Last reported position

received Sep 16, 2026, 18:21 UTC

Position: 29.2983° N, 32.6667° E
Area: Red Sea
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 11.8 kn
Course: 156°
Heading: 157°

29.2983° N, 32.6667° E

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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: Blue Sea
IMO numberWhat is an IMO number?: 9413028
MMSIWhat is an MMSI?: 255915925
Call signWhat is a call sign?: CQ2383
Flag: Portugal
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsOil tanker
AIS ship type: Tanker (hazardous cat. A)
Gross tonnageGross tonnage vs deadweight: 55,863
Deadweight (DWT): Source: Wikidata, record Q85984887. Added to Voydar on September 23, 2026. Licence: CC0 1.0.105,416 t
Length overall: 229 m
Beam: 42 m
Year built: 2009

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: Estoril Navigation Ltd
Source: EU MRV (THETIS-MRV) emissions · reporting year 2025 · reported · confidence 0.9 · retrieved Oct 5, 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
Mar 2, 2025, 07:04 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Feb 26, 2025, 22:25 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Aug 7, 2024, 01:08 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Aug 4, 2024, 09:18 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Mar 24, 2021, 11:04 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Mar 19, 2021, 21:24 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)

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	10,668 t	3,418 t	119 days	489 kg
2023	6,041 t	1,927 t	45 days	531 kg
2025	6,501 t	2,067 t	67 days	573 kg

Technical efficiency: EEXI (3.45 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	Feb 26, 2025, 22:25 UTC	CTX	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Aug 4, 2024, 09:18 UTC	SINO	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Mar 19, 2021, 21:24 UTC	SLA	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Long Beach USLGB	Departure	Sep 25, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
Long Beach USLGB	Arrival	Sep 24, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
SAN PABLO BAY AND MARE ISLAND STRAIT, CA	Departure	Sep 19, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
SAN PABLO BAY AND MARE ISLAND STRAIT, CA	Arrival	Sep 14, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
CARQUINEZ STRAIT, CA	Departure	Jul 26, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
CARQUINEZ STRAIT, CA	Arrival	Jul 24, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
Los Angeles USLAX	Departure	Jul 21, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
Los Angeles USLAX	Arrival	Jul 20, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
BARBERS POINT, HI (NET TABLE)	Departure	Jul 11, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: September 19, 2010.

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 Blue Sea now?: Blue Sea (Oil tanker, Portugal flag) was last seen on AIS on Sep 16, 2026, 18:21 UTC, under way at 11.8 kn, in the Red Sea. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report.
What kind of ship is Blue Sea?: Blue Sea is an oil tanker sailing under the flag of Portugal, built in 2009 by Sumitomo Heavy Industries. The vessel is 229 m long with a beam of 42 m and has a gross tonnage of 55,863.
Who is recorded as the owner or manager of Blue Sea?: Estoril Navigation Ltd is recorded as ISM manager for Blue Sea (source: EU MRV (THETIS-MRV) emissions; reporting year 2025). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Voydar hold for Blue Sea?: Voydar has no matched sanctions record displayed for Blue Sea 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 Blue Sea. Missing records do not establish whether the ship has been detained.

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