What kind of ship is Diadema?

Diadema is a chemical tanker sailing under the flag of Bahamas, built in 2018 by HD Hyundai Mipo. The vessel is 183 m long with a beam of 32 m and has a gross tonnage of 26,548.

Who is recorded as the owner or manager of Diadema?

SUPER ECO TANKERS MANAGEMENT INC is recorded as ISM manager for Diadema (source: EU MRV (THETIS-MRV) emissions; reporting year 2024). This source record does not independently confirm today’s ownership or management.

What sanctions and inspection records does Voydar hold for Diadema?

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

Diadema

Chemical tanker · Bahamas · built 2018 · AIS Class A

IMO9808326MMSI311000576Call signC6CU3Last AIS position Sep 17, 2026, 06:07 UTC

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In short

Diadema (Chemical tanker, Bahamas flag) was last seen on AIS on Sep 17, 2026, 06:07 UTC, under way at 13 kn, in the Gulf of Mexico. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. ISM manager: SUPER ECO TANKERS MANAGEMENT INC (source: EU MRV (THETIS-MRV) emissions, reporting year 2024).

Vessel type: Chemical tanker
Flag: Bahamas
Year built: 2018
Gross tonnage: 26,548
Size (length × beam): 183 m × 32 m
ISM manager: SUPER ECO TANKERS MANAGEMENT INC

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Last reported position

received Sep 17, 2026, 06:07 UTC

Position: 28.388° N, 94.4242° W
Area: Gulf of Mexico
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 13 kn
Course: 189°
Heading: 191°

28.388° N, 94.4242° 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.

A year of history in the Terminal (Plus) · the full archive since June 1, 2026 (Pro)

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Identity & particulars

Name: Diadema
IMO numberWhat is an IMO number?: 9808326
MMSIWhat is an MMSI?: 311000576
Call signWhat is a call sign?: C6CU3
Flag: Bahamas
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsChemical tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 26,548
Deadweight (DWT): Source: Wikidata, record Q104378515. Added to Voydar on September 23, 2026. Licence: CC0 1.0.40,072 t
Length overall: 183 m
Beam: 32 m
Year built: 2018

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: SUPER ECO TANKERS MANAGEMENT INC
Source: EU MRV (THETIS-MRV) emissions · reporting year 2024 · reported · confidence 0.9 · retrieved Sep 28, 2026
Builder: HD Hyundai Mipo
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	8,280 t	2,636 t	120 days	251 kg
2019	7,765 t	2,486 t	108 days	255 kg
2020	9,840 t	3,144 t	134 days	259 kg
2021	4,810 t	1,525 t	69 days	276 kg
2022	8,202 t	2,614 t	110 days	277 kg
2023	10,028 t	3,166 t	113 days	360 kg
2024	8,119 t	2,588 t	121 days	274 kg

Technical efficiency: EEXI (5.53 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 Diadema now?: Diadema (Chemical tanker, Bahamas flag) was last seen on AIS on Sep 17, 2026, 06:07 UTC, under way at 13 kn, in the Gulf of Mexico. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report.
What kind of ship is Diadema?: Diadema is a chemical tanker sailing under the flag of Bahamas, built in 2018 by HD Hyundai Mipo. The vessel is 183 m long with a beam of 32 m and has a gross tonnage of 26,548.
Who is recorded as the owner or manager of Diadema?: SUPER ECO TANKERS MANAGEMENT INC is recorded as ISM manager for Diadema (source: EU MRV (THETIS-MRV) emissions; reporting year 2024). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Voydar hold for Diadema?: Voydar has no matched sanctions record displayed for Diadema 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 Diadema. Missing records do not establish whether the ship has been detained.

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