What kind of ship is SEAWAYS CASTLE HILL?

SEAWAYS CASTLE HILL is an oil tanker sailing under the flag of Marshall Islands, built in 2015 by SPP Shipbuilding Co., Ltd.. The vessel is 183.1 m long with a beam of 32.2 m and has a gross tonnage of 29,735.

Who is recorded as the owner or manager of SEAWAYS CASTLE HILL?

HARRISON TANKER CORP is recorded as ISM manager for SEAWAYS CASTLE HILL (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 Seadar hold for SEAWAYS CASTLE HILL?

Seadar has no matched sanctions record displayed for SEAWAYS CASTLE HILL 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 SEAWAYS CASTLE HILL. Missing records do not establish whether the ship has been detained.

SEAWAYS CASTLE HILL

Oil tanker · Marshall Islands · built 2015 · AIS Class A

IMO9697636MMSI538005188Call signV7BQ7Last AIS position Sep 29, 2026, 04:39 UTC

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In short

SEAWAYS CASTLE HILL (Oil tanker, Marshall Islands flag) was last seen on AIS on Sep 29, 2026, 04:39 UTC, under way at 9.6 kn, in the Mediterranean Sea. Seadar has no more recent AIS position for this ship. Its current location cannot be established from this report. Its crew-entered AIS destination is ITPFX (Porto Foxi (Sarroch)); its reported draught is 8 m (voyage report via AISstream.io global terrestrial AIS, received Sep 29, 2026, 05:10 UTC). ISM manager: HARRISON TANKER CORP (source: EU MRV (THETIS-MRV) emissions, reporting year 2025).

Vessel type: Oil tanker
Flag: Marshall Islands
Year built: 2015
Gross tonnage: 29,735
Size (length × beam): 183 m × 32 m
ISM manager: HARRISON TANKER CORP

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Last reported position

received Sep 29, 2026, 04:39 UTC

Position: 40.0451° N, 5.7924° E
Area: Mediterranean Sea
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 9.6 kn
Course: 134°
Heading: 133°

40.0451° N, 5.7924° E

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Seadar detected no port call in the last 30 days.

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

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Identity & particulars

Name: SEAWAYS CASTLE HILL
IMO numberWhat is an IMO number?: 9697636
MMSIWhat is an MMSI?: 538005188
Call signWhat is a call sign?: V7BQ7
Flag: Marshall Islands
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsOil tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 29,735
Deadweight (DWT): Source: Wikidata, record Q84253793. Added to Seadar on September 23, 2026. Licence: CC0 1.0.49,990 t
Length overall: 183.1 m
Beam: 32.2 m
Year built: 2015

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: HARRISON TANKER CORP
Source: EU MRV (THETIS-MRV) emissions · reporting year 2025 · reported · confidence 0.9 · retrieved Sep 28, 2026
Builder: SPP Shipbuilding Co., Ltd.
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

Timeline

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

Date	Event	Source
Oct 24, 2021, 13:30 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Oct 22, 2021, 08:53 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Jul 19, 2021, 05:25 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Jul 15, 2021, 00:13 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Jul 23, 2016	Reported departure from AnchorageAuthority-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	4,185 t	1,338 t	64 days	260 kg
2019	10,225 t	3,259 t	160 days	247 kg
2020	2,664 t	851 t	36 days	259 kg
2022	4,632 t	1,475 t	68 days	254 kg
2023	4,034 t	1,287 t	63 days	240 kg
2025	2,815 t	903 t	44 days	244 kg

Technical efficiency: EEXI (4.24 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 Seadar 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 22, 2021, 08:53 UTC	SLA	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Jul 15, 2021, 00:13 UTC	PAFF	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Anchorage USANC	Departure	Jul 23, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Anchorage USANC	Arrival	Jul 22, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
ANACORTES HARBOR, WA	Departure	Jun 4, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
ANACORTES HARBOR, WA	Arrival	May 17, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Los Angeles USLAX	Departure	May 12, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Los Angeles USLAX	Arrival	May 10, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Charleston USCHS	Departure	Jan 27, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Charleston USCHS	Arrival	Jan 26, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Savannah USSAV	Arrival	Jan 25, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Savannah USSAV	Departure	Jan 25, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: January 23, 2016.

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 SEAWAYS CASTLE HILL now?: SEAWAYS CASTLE HILL (Oil tanker, Marshall Islands flag) was last seen on AIS on Sep 29, 2026, 04:39 UTC, under way at 9.6 kn, in the Mediterranean Sea. Seadar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was ITPFX (voyage report via AISstream.io global terrestrial AIS, received Sep 29, 2026, 05:10 UTC). This report does not confirm the ship’s current route.
What kind of ship is SEAWAYS CASTLE HILL?: SEAWAYS CASTLE HILL is an oil tanker sailing under the flag of Marshall Islands, built in 2015 by SPP Shipbuilding Co., Ltd.. The vessel is 183.1 m long with a beam of 32.2 m and has a gross tonnage of 29,735.
Who is recorded as the owner or manager of SEAWAYS CASTLE HILL?: HARRISON TANKER CORP is recorded as ISM manager for SEAWAYS CASTLE HILL (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 Seadar hold for SEAWAYS CASTLE HILL?: Seadar has no matched sanctions record displayed for SEAWAYS CASTLE HILL 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 SEAWAYS CASTLE HILL. Missing records do not establish whether the ship has been detained.

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