What kind of ship is OCTONAUT?

OCTONAUT is a chemical tanker sailing under the flag of Marshall Islands, built in 2007. The vessel is 145.5 m long with a beam of 23.7 m and has a gross tonnage of 11,570.

What sanctions and inspection records does Voydar hold for OCTONAUT?

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

OCTONAUT

Chemical tanker · Marshall Islands · built 2007 · AIS Class A

IMO9340477MMSI538009532Call signV7A4856Last AIS position Sep 29, 2026, 20:14 UTC

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In short

OCTONAUT (Chemical tanker, Marshall Islands flag) was last seen on AIS on Sep 29, 2026, 20:14 UTC, not moving, near Baton Rouge (Gulf of Mexico). 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 US PLQ; its reported draught is 5.5 m (voyage report via AISstream.io global terrestrial AIS, received Sep 29, 2026, 19:54 UTC). ISM manager: SYNERGY NAVIS MARINE PRIVATE LIMITED (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).

Vessel type: Chemical tanker
Flag: Marshall Islands
Year built: 2007
Gross tonnage: 11,570
Size (length × beam): 146 m × 24 m
ISM manager: SYNERGY NAVIS MARINE PRIVATE LIMITED

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Last reported position

received Sep 29, 2026, 20:14 UTC

Position: 30.3115° N, 91.2264° W
Area: Gulf of Mexico
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 0 kn
Course: 287°
Heading: 51°

30.3115° N, 91.2264° 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: OCTONAUT
IMO numberWhat is an IMO number?: 9340477
MMSIWhat is an MMSI?: 538009532
Call signWhat is a call sign?: V7A4856
Flag: Marshall Islands
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsChemical tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 11,570
Deadweight (DWT): Source: Wikidata, record Q105765112. Added to Voydar on September 23, 2026. Licence: CC0 1.0.19,983 t
Length overall: 145.5 m
Beam: 23.7 m
Year built: 2007

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: SYNERGY NAVIS MARINE PRIVATE LIMITED
Source: EU MRV (THETIS-MRV) emissions · reporting years 2024–2025 · reported · confidence 0.9 · retrieved Sep 28, 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
May 5, 2014	Reported departure from SavannahAuthority-reported	USACE foreign traffic vessel entrances & clearances
May 4, 2014	Reported arrival at SavannahAuthority-reported	USACE foreign traffic vessel entrances & clearances
Apr 30, 2014	Reported departure from HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)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.

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	6,841 t	2,167 t	105 days	357 kg
2019	3,082 t	983 t	38 days	284 kg
2020	2,011 t	640 t	32 days	218 kg
2021	9,892 t	3,125 t	152 days	240 kg
2022	3,567 t	1,129 t	61 days	202 kg
2023	4,653 t	1,473 t	101 days	170 kg
2024	8,479 t	2,700 t	156 days	208 kg
2025	1,073 t	344 t	20 days	244 kg

Technical efficiency: EEXI (7.77 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
Savannah USSAV	Departure	May 5, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
Savannah USSAV	Arrival	May 4, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Departure	Apr 30, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Arrival	Apr 29, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
Los Angeles USLAX	Departure	Apr 5, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
Los Angeles USLAX	Arrival	Apr 5, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Departure	Jun 27, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)	Arrival	Jun 18, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
Port Arthur USPOA	Departure	Jun 17, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
Port Arthur USPOA	Arrival	Jun 16, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
JACKSONVILLE HARBOR, FL	Departure	Jun 10, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
JACKSONVILLE HARBOR, FL	Arrival	Jun 10, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: October 19, 2007.

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 OCTONAUT now?: OCTONAUT (Chemical tanker, Marshall Islands flag) was last seen on AIS on Sep 29, 2026, 20:14 UTC, not moving, near Baton Rouge (Gulf of Mexico). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was US PLQ (voyage report via AISstream.io global terrestrial AIS, received Sep 29, 2026, 19:54 UTC). This report does not confirm the ship’s current route.
What kind of ship is OCTONAUT?: OCTONAUT is a chemical tanker sailing under the flag of Marshall Islands, built in 2007. The vessel is 145.5 m long with a beam of 23.7 m and has a gross tonnage of 11,570.
Who is recorded as the owner or manager of OCTONAUT?: SYNERGY NAVIS MARINE PRIVATE LIMITED is recorded as ISM manager for OCTONAUT (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 OCTONAUT?: Voydar has no matched sanctions record displayed for OCTONAUT 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 OCTONAUT. Missing records do not establish whether the ship has been detained.

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