What kind of ship is STI Mystery?

STI Mystery is a chemical tanker sailing under the flag of Marshall Islands, built in 2019 by HD Hyundai Vietnam Shipbuilding. The vessel is 183 m long with a beam of 32 m and has a gross tonnage of 29,991.

What sanctions and inspection records does Voydar hold for STI Mystery?

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

STI Mystery

Chemical tanker · Marshall Islands · built 2019 · AIS Class A

IMO9829461MMSI538010467Call signV7A6081Last AIS position Oct 4, 2026, 14:34 UTC

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In short

STI Mystery (Chemical tanker, Marshall Islands flag) was last seen on AIS on Oct 4, 2026, 14:34 UTC, under way at 9.7 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: STI MYSTERY SHIPPING COMPANY LIMITED (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).

Vessel type: Chemical tanker
Flag: Marshall Islands
Year built: 2019
Gross tonnage: 29,991
Size (length × beam): 183 m × 32 m
ISM manager: STI MYSTERY SHIPPING COMPANY LIMITED

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Last reported position

received Oct 4, 2026, 14:34 UTC

Position: 29.7565° N, 93.3429° W
Area: Gulf of Mexico
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 9.7 kn
Course: 172°
Heading: 172°

29.7565° N, 93.3429° 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.

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Identity & particulars

Name: STI Mystery
IMO numberWhat is an IMO number?: 9829461
MMSIWhat is an MMSI?: 538010467
Call signWhat is a call sign?: V7A6081
Flag: Marshall Islands
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsChemical tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 29,991
Deadweight (DWT): Source: Wikidata, record Q104379245. Added to Voydar on September 23, 2026. Licence: CC0 1.0.49,999 t
Length overall: 183 m
Beam: 32 m
Year built: 2019

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: STI MYSTERY SHIPPING COMPANY LIMITED
Source: EU MRV (THETIS-MRV) emissions · reporting years 2024–2025 · reported · confidence 0.9 · retrieved Oct 5, 2026
Builder: HD Hyundai Vietnam 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
2020	3,909 t	1,251 t	60 days	235 kg
2021	4,166 t	1,326 t	59 days	264 kg
2024	1,403 t	448 t	21 days	235 kg
2025	10,867 t	3,472 t	135 days	279 kg

Technical efficiency: EEXI (4.07 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 STI Mystery now?: STI Mystery (Chemical tanker, Marshall Islands flag) was last seen on AIS on Oct 4, 2026, 14:34 UTC, under way at 9.7 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 STI Mystery?: STI Mystery is a chemical tanker sailing under the flag of Marshall Islands, built in 2019 by HD Hyundai Vietnam Shipbuilding. The vessel is 183 m long with a beam of 32 m and has a gross tonnage of 29,991.
Who is recorded as the owner or manager of STI Mystery?: STI MYSTERY SHIPPING COMPANY LIMITED is recorded as ISM manager for STI Mystery (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 Voydar hold for STI Mystery?: Voydar has no matched sanctions record displayed for STI Mystery 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 STI Mystery. Missing records do not establish whether the ship has been detained.

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