What kind of ship is STOLT ACER?

STOLT ACER is a chemical tanker sailing under the flag of Liberia, built in 2004 by Kitanihon Shipbuilding. The vessel is 169 m long with a beam of 25 m and has a gross tonnage of 18,703.

Who is recorded as the owner or manager of STOLT ACER?

Stolt Tankers BV is recorded as ISM manager for STOLT ACER (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 STOLT ACER?

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

STOLT ACER

Chemical tanker · Liberia · built 2004 · AIS Class A

IMO9272668MMSI636017838Call signD5MY2Last AIS position Sep 25, 2026, 17:29 UTC

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In short

STOLT ACER (Chemical tanker, Liberia flag) was last seen on AIS on Sep 25, 2026, 17:29 UTC, under way at 12.2 kn, in the South Atlantic Ocean. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. ISM manager: Stolt Tankers BV (source: EU MRV (THETIS-MRV) emissions, reporting year 2024).

Vessel type: Chemical tanker
Flag: Liberia
Year built: 2004
Gross tonnage: 18,703
Size (length × beam): 169 m × 25 m
ISM manager: Stolt Tankers BV

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Last reported position

received Sep 25, 2026, 17:29 UTC

Position: 33.9218° S, 17.4387° E
Area: South Atlantic Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 12.2 kn
Course: 322°
Heading: 322°

33.9218° S, 17.4387° 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: STOLT ACER
IMO numberWhat is an IMO number?: 9272668
MMSIWhat is an MMSI?: 636017838
Call signWhat is a call sign?: D5MY2
Flag: Liberia
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsChemical tanker
AIS ship type: Tanker (hazardous cat. B)
Gross tonnageGross tonnage vs deadweight: 18,703
Length overall: 169 m
Beam: 25 m
Year built: 2004

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: Stolt Tankers BV
Source: EU MRV (THETIS-MRV) emissions · reporting year 2024 · reported · confidence 0.9 · retrieved Sep 28, 2026
Builder: Kitanihon Shipbuilding
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
Nov 27, 2016	Reported departure from HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)Authority-reported	USACE foreign traffic vessel entrances & clearances
Nov 12, 2016	Reported arrival at Texas CityAuthority-reported	USACE foreign traffic vessel entrances & clearances
Nov 10, 2016	Reported arrival at FreeportAuthority-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
2020	7,630 t	2,437 t	77 days	314 kg
2021	1,718 t	545 t	18 days	408 kg
2022	4,390 t	1,399 t	48 days	344 kg
2024	8,403 t	2,682 t	111 days	276 kg

Technical efficiency: EEXI (6.4 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
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Departure	Nov 27, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Texas City USTXT	Arrival	Nov 12, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Freeport USFPO	Arrival	Nov 10, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Freeport USFPO	Departure	Nov 10, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
PORT OF SOUTH LOUISIANA (LA)	Departure	Nov 7, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
PORT OF PLAQUEMINES, LA	Arrival	Nov 3, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Departure	Jun 8, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Arrival	Jun 3, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Lake Charles USLCH	Departure	Jun 1, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Lake Charles USLCH	Arrival	May 31, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Departure	May 28, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Arrival	May 26, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: September 8, 2004.

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 STOLT ACER now?: STOLT ACER (Chemical tanker, Liberia flag) was last seen on AIS on Sep 25, 2026, 17:29 UTC, under way at 12.2 kn, in the South Atlantic 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 STOLT ACER?: STOLT ACER is a chemical tanker sailing under the flag of Liberia, built in 2004 by Kitanihon Shipbuilding. The vessel is 169 m long with a beam of 25 m and has a gross tonnage of 18,703.
Who is recorded as the owner or manager of STOLT ACER?: Stolt Tankers BV is recorded as ISM manager for STOLT ACER (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 STOLT ACER?: Voydar has no matched sanctions record displayed for STOLT ACER 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 STOLT ACER. Missing records do not establish whether the ship has been detained.

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