What kind of ship is Horizon Theano?

Horizon Theano is a chemical tanker sailing under the flag of Liberia, built in 2009 by SPP Shipbuilding Co., Ltd.. The vessel is 183 m long with a beam of 32.2 m and has a gross tonnage of 29,828.

What sanctions and inspection records does Voydar hold for Horizon Theano?

Voydar has no matched sanctions record displayed for Horizon Theano 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. Horizon Theano has 30 recorded Port State Control inspections. Detention and deficiency detail is not recorded for these inspections.

Horizon Theano

Chemical tanker · Liberia · built 2009 · AIS Class A

IMO9407392MMSI636014285Call signA8SS4Last AIS position Oct 5, 2026, 04:46 UTC

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In short

Horizon Theano (Chemical tanker, Liberia flag) was last seen on AIS on Oct 5, 2026, 04:46 UTC, at anchor, near Sao Sebastiao (South Atlantic Ocean). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. Its crew-entered AIS destination is BRSSO (Sao Sebastiao); its reported draught is 8 m (voyage report via AISstream.io global terrestrial AIS, received Oct 5, 2026, 05:44 UTC).

Vessel type: Chemical tanker
Flag: Liberia
Year built: 2009
Gross tonnage: 29,828
Size (length × beam): 183 m × 32 m
Registered owner: —

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Last reported position

received Oct 5, 2026, 04:46 UTC

Position: 23.8921° S, 45.5426° W
Area: South Atlantic Ocean
StatusWhat do AIS statuses mean?: At anchor
Speed: 0.1 kn
Course: 316°
Heading: 73°

23.8921° S, 45.5426° 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: Horizon Theano
IMO numberWhat is an IMO number?: 9407392
MMSIWhat is an MMSI?: 636014285
Call signWhat is a call sign?: A8SS4
Flag: Liberia
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsChemical tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 29,828
Deadweight (DWT): Source: Wikidata, record Q85983226. Added to Voydar on September 23, 2026. Licence: CC0 1.0.50,268 t
Length overall: 183 m
Beam: 32.2 m
Year built: 2009

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.

Builder: SPP Shipbuilding Co., Ltd.
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
Apr 5, 2024	Inspection at Houston, Texas	USCG PSIX / CGMIX inspections
Sep 15, 2021	Inspection at Woods Hole, Massachusetts	USCG PSIX / CGMIX inspections
Mar 2, 2021	Port State Control inspection at Christiansted, Virgin Islands	USCG PSIX / CGMIX inspections
Feb 20, 2020	Port State Control inspection at Houston, Texas	USCG PSIX / CGMIX inspections
Feb 20, 2019	Port State Control inspection at San Juan, Puerto Rico	USCG PSIX / CGMIX inspections
Sep 16, 2018	Inspection at PHILADELPHIA, Pennsylvania	USCG PSIX / CGMIX inspections
Mar 1, 2018	Inspection at STATEN ISLAND, New York	USCG PSIX / CGMIX inspections
Nov 14, 2017	Port State Control inspection at Wilmington, North Carolina	USCG PSIX / CGMIX inspections
Sep 24, 2017	Inspection at New Orleans, Louisiana	USCG PSIX / CGMIX inspections
Sep 24, 2017	Inspection at WASHINGTON, District of Columbia	USCG PSIX / CGMIX inspections
Oct 12, 2016	Reported departure from Baton RougeAuthority-reported	USACE foreign traffic vessel entrances & clearances
Oct 9, 2016	Reported arrival at New OrleansAuthority-reported	USACE foreign traffic vessel entrances & clearances
Aug 27, 2014	Reported departure from PORT OF SOUTH LOUISIANA (LA)Authority-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.

Safety & inspections

Inspections

not recorded

Detentions

Deficiencies

Date	Type	Port	Findings
Apr 5, 2024	Vessel Inspection	Houston, Texas	clean
Sep 15, 2021	Boarding	Woods Hole, Massachusetts	clean
Mar 2, 2021	Vessel InspectionPSC	Christiansted, Virgin Islands	clean
Feb 20, 2020	Vessel InspectionPSC	Houston, Texas	clean
Feb 20, 2019	Vessel InspectionPSC	San Juan, Puerto Rico	clean
Sep 16, 2018	Vessel Inspection	PHILADELPHIA, Pennsylvania	clean
Mar 1, 2018	Vessel Inspection	STATEN ISLAND, New York	clean
Nov 14, 2017	Vessel InspectionPSC	Wilmington, North Carolina	clean
Sep 24, 2017	Vessel Inspection	New Orleans, Louisiana	clean
Sep 24, 2017	Incident Investigation	WASHINGTON, District of Columbia	clean
Sep 24, 2017	Vessel Operational Control	New Orleans, Louisiana	clean
Sep 23, 2017	Vessel Inspection	New Orleans, Louisiana	clean
Jun 18, 2017	Vessel Inspection	New Orleans, Louisiana	clean
Jun 11, 2017	Vessel InspectionPSC	Baltimore, Maryland	clean
Feb 5, 2017	Vessel Inspection	New Orleans, Louisiana	clean
Oct 6, 2016	Vessel InspectionPSC	New Orleans, Louisiana	clean
Dec 27, 2013	Vessel InspectionPSC	STATEN ISLAND, New York	clean
Dec 24, 2013	Boarding	STATEN ISLAND, New York	clean
Dec 24, 2013	Vessel InspectionPSC	STATEN ISLAND, New York	clean
Jul 6, 2013	Vessel Inspection	San Juan, Puerto Rico	clean

Source: U.S. Coast Guard Port State Information Exchange (PSIX) — public domain. Covers inspections recorded in U.S. waters. Free on Voydar; the incumbents charge for this.

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	11,714 t	3,753 t	178 days	336 kg
2019	6,728 t	2,144 t	79 days	308 kg
2020	2,067 t	659 t	24 days	310 kg
2021	6,018 t	1,916 t	71 days	290 kg
2022	2,502 t	800 t	29 days	284 kg

Technical efficiency: EIV (5.94 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
Baton Rouge USBTR	Departure	Oct 12, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
New Orleans USMSY	Arrival	Oct 9, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
PORT OF SOUTH LOUISIANA (LA)	Departure	Aug 27, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
New Orleans USMSY	Arrival	Aug 24, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Departure	Aug 6, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Arrival	Aug 6, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Departure	Jun 11, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Arrival	Jun 11, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Departure	Mar 15, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
New York USNYC	Arrival	Mar 7, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
PORT OF SOUTH LOUISIANA (LA)	Departure	Jan 23, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
PORT OF SOUTH LOUISIANA (LA)	Arrival	Jan 19, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: August 1, 2009.

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 Horizon Theano now?: Horizon Theano (Chemical tanker, Liberia flag) was last seen on AIS on Oct 5, 2026, 04:46 UTC, at anchor, near Sao Sebastiao (South Atlantic Ocean). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was BRSSO (voyage report via AISstream.io global terrestrial AIS, received Oct 5, 2026, 05:44 UTC). This report does not confirm the ship’s current route.
What kind of ship is Horizon Theano?: Horizon Theano is a chemical tanker sailing under the flag of Liberia, built in 2009 by SPP Shipbuilding Co., Ltd.. The vessel is 183 m long with a beam of 32.2 m and has a gross tonnage of 29,828.
What sanctions and inspection records does Voydar hold for Horizon Theano?: Voydar has no matched sanctions record displayed for Horizon Theano 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. Horizon Theano has 30 recorded Port State Control inspections. Detention and deficiency detail is not recorded for these inspections.

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