What kind of ship is Seafrontier?

Seafrontier is an oil tanker sailing under the flag of Hong Kong, built in 2011 by CSSC Offshore & Marine Engineering Company. The vessel is 183 m long with a beam of 32 m and has a gross tonnage of 30,241.

Who is recorded as the owner or manager of Seafrontier?

Valles Steamship (Canada) Ltd is recorded as ISM manager for Seafrontier (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 Seafrontier?

Voydar has no matched sanctions record displayed for Seafrontier from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels and the New Zealand Russia Sanctions Register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for Seafrontier. Missing records do not establish whether the ship has been detained.

Seafrontier

Oil tanker · Hong Kong · built 2011 · AIS Class A

IMO9457268MMSI477881600Call signVRHA3Last AIS position Sep 20, 2026, 17:29 UTC

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In short

Seafrontier (Oil tanker, Hong Kong flag) was last seen on AIS on Sep 20, 2026, 17:29 UTC, under way at 13 kn, near Yura, Yamaguchi (North Pacific Ocean). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. ISM manager: Valles Steamship (Canada) Ltd (source: EU MRV (THETIS-MRV) emissions, reporting year 2025).

Vessel type: Oil tanker
Flag: Hong Kong
Year built: 2011
Gross tonnage: 30,241
Size (length × beam): 183 m × 32 m
ISM manager: Valles Steamship (Canada) Ltd

Last reported position

received Sep 20, 2026, 17:29 UTC

Position: 33.9374° N, 134.9148° E
Area: North Pacific Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 13 kn
Course: 182°
Heading: 180°

33.9374° N, 134.9148° 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: Seafrontier
IMO numberWhat is an IMO number?: 9457268
MMSIWhat is an MMSI?: 477881600
Call signWhat is a call sign?: VRHA3
Flag: Hong Kong
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsOil tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 30,241
Length overall: 183 m
Beam: 32 m
Year built: 2011

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: Valles Steamship (Canada) Ltd
Source: EU MRV (THETIS-MRV) emissions · reporting year 2025 · reported · confidence 0.9 · retrieved Sep 28, 2026
Builder: CSSC Offshore & Marine Engineering Company
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
Aug 15, 2016	Reported departure from New YorkAuthority-reported	USACE foreign traffic vessel entrances & clearances
Aug 10, 2016	Reported arrival at New YorkAuthority-reported	USACE foreign traffic vessel entrances & clearances
Jan 15, 2016	Reported departure from Baton RougeAuthority-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
2019	12,932 t	4,117 t	131 days	339 kg
2020	12,640 t	3,998 t	138 days	333 kg
2021	7,375 t	2,324 t	85 days	340 kg
2022	2,577 t	822 t	25 days	340 kg
2025	5,059 t	1,614 t	59 days	345 kg

Technical efficiency: EEXI (4.94 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
New York USNYC	Departure	Aug 15, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Arrival	Aug 10, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Baton Rouge USBTR	Departure	Jan 15, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Baton Rouge USBTR	Arrival	Jan 11, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
New Haven USHVN	Departure	Jan 4, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
New Haven USHVN	Arrival	Jan 3, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Boston USBOS	Departure	Jan 1, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Boston USBOS	Arrival	Jan 1, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Departure	Jun 23, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Arrival	Jun 20, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
Port Arthur USPOA	Departure	Mar 31, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
Port Arthur USPOA	Arrival	Mar 31, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: April 29, 2012.

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 Seafrontier now?: Seafrontier (Oil tanker, Hong Kong flag) was last seen on AIS on Sep 20, 2026, 17:29 UTC, under way at 13 kn, near Yura, Yamaguchi (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 Seafrontier?: Seafrontier is an oil tanker sailing under the flag of Hong Kong, built in 2011 by CSSC Offshore & Marine Engineering Company. The vessel is 183 m long with a beam of 32 m and has a gross tonnage of 30,241.
Who is recorded as the owner or manager of Seafrontier?: Valles Steamship (Canada) Ltd is recorded as ISM manager for Seafrontier (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 Seafrontier?: Voydar has no matched sanctions record displayed for Seafrontier from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels and the New Zealand Russia Sanctions Register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for Seafrontier. Missing records do not establish whether the ship has been detained.

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