What kind of ship is Seaways Diamond Head?

Seaways Diamond Head is an oil tanker sailing under the flag of Marshall Islands, built in 2016 by Shanghai Waigaoqiao Shipbuilding. The vessel is 333 m long with a beam of 60 m and has a gross tonnage of 161,319.

Who is recorded as the owner or manager of Seaways Diamond Head?

V.Ships UK is recorded as ISM manager for Seaways Diamond Head (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 Seadar hold for Seaways Diamond Head?

Seadar has no matched sanctions record displayed for Seaways Diamond Head 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 Diamond Head. Missing records do not establish whether the ship has been detained.

Seaways Diamond Head

Oil tanker · Marshall Islands · built 2016 · AIS Class A

IMO9727039MMSI538006447Call signV7NH4Last AIS position Sep 30, 2026, 18:08 UTC

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In short

Seaways Diamond Head (Oil tanker, Marshall Islands flag) was last seen on AIS on Sep 30, 2026, 18:08 UTC, under way at 15.3 kn, in the North Pacific Ocean. 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 BALBOA PANAMA, with an ETA of Oct 8, 2026, 11:00 UTC; its reported draught is 11 m (voyage report via AISstream.io global terrestrial AIS, received Sep 30, 2026, 06:29 UTC). ISM manager: V.Ships UK (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).

Vessel type: Oil tanker
Flag: Marshall Islands
Year built: 2016
Gross tonnage: 161,319
Size (length × beam): 333 m × 60 m
ISM manager: V.Ships UK

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Last reported position

received Sep 30, 2026, 18:08 UTC

Position: 26.8345° N, 116.8292° W
Area: North Pacific Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 15.3 kn
Course: 128°
Heading: 127°

26.8345° N, 116.8292° W

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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 Diamond Head
IMO numberWhat is an IMO number?: 9727039
MMSIWhat is an MMSI?: 538006447
Call signWhat is a call sign?: V7NH4
Flag: Marshall Islands
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsOil tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 161,319
Deadweight (DWT): Source: Wikidata, record Q104035782. Added to Seadar on September 23, 2026. Licence: CC0 1.0.299,989 t
Length overall: 333 m
Beam: 60 m
Year built: 2016

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: V.Ships UK
Source: EU MRV (THETIS-MRV) emissions · reporting years 2024–2025 · reported · confidence 0.9 · retrieved Sep 28, 2026
Builder: Shanghai Waigaoqiao Shipbuilding
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

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	0 t	0 t	0 days	—
2022	6,700 t	2,134 t	54 days	548 kg
2024	10,821 t	3,467 t	63 days	615 kg
2025	0 t	0 t	0 days	—

Technical efficiency: EEDI (2.1 gCO₂/t·nm). Source: European Commission / EMSA THETIS-MRV (EU Regulation 2015/757). Covers voyages to, from and within the EU/EEA.

Frequently asked questions

Where is Seaways Diamond Head now?: Seaways Diamond Head (Oil tanker, Marshall Islands flag) was last seen on AIS on Sep 30, 2026, 18:08 UTC, under way at 15.3 kn, in the North Pacific Ocean. Seadar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was BALBOA PANAMA (voyage report via AISstream.io global terrestrial AIS, received Sep 30, 2026, 06:29 UTC). This report does not confirm the ship’s current route.
What kind of ship is Seaways Diamond Head?: Seaways Diamond Head is an oil tanker sailing under the flag of Marshall Islands, built in 2016 by Shanghai Waigaoqiao Shipbuilding. The vessel is 333 m long with a beam of 60 m and has a gross tonnage of 161,319.
Who is recorded as the owner or manager of Seaways Diamond Head?: V.Ships UK is recorded as ISM manager for Seaways Diamond Head (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 Seadar hold for Seaways Diamond Head?: Seadar has no matched sanctions record displayed for Seaways Diamond Head 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 Diamond Head. Missing records do not establish whether the ship has been detained.

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