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OPTIMAL ACE

Chemical tanker · Hong Kong · built 2006 · AIS Class A

IMO9304590MMSI477215800Call signVRXL2Last AIS position Oct 3, 2026, 15:32 UTC

In short

OPTIMAL ACE (Chemical tanker, Hong Kong flag) was last seen on AIS on , at anchor, in the Baltic Sea. Its crew-entered AIS destination is ST PETERSBURG; its reported draught is 9.8 m (voyage report via Digitraffic marine AIS, received Oct 3, 2026, 15:16 UTC).

Vessel type
Chemical tanker
Year built
2006
Gross tonnage
30,091
Size (length × beam)
183 m
Registered owner
—

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Photo of OPTIMAL ACE
Photo: Bob Adams from George, South Africa · Licence: CC BY-SA 2.0 · via Wikimedia Commons

Last reported position

received
Position
60.0125° N, 29.3372° E
Area
Baltic Sea
Speed
0 kn
Course
280°
Heading
133°
60.0125° N, 29.3372° E
Open the full live map →

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
OPTIMAL ACE
IMO numberWhat is an IMO number?
9304590
MMSIWhat is an MMSI?
477215800
Call signWhat is a call sign?
VRXL2
AIS ship type
Tanker
Gross tonnageGross tonnage vs deadweight
30,091
Length overall
183 m
Beam
—
Year built
2006

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.

No owner, operator or manager is recorded for this vessel yet.

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.

DateEventSource
Reported departure from Hong KongAuthority-reportedHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Reported arrival at Hong KongAuthority-reportedHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Reported departure from Hong KongAuthority-reportedHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Reported arrival at Hong KongAuthority-reportedHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Reported departure from Hong KongAuthority-reportedHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Reported arrival at Hong KongAuthority-reportedHong Kong vessel arrivals & departures (incl. VTMS daily reports)

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.

YearCO₂ emittedFuel burnedTime at seaCO₂ / n mile
201813,254 t4,222 t142 days341 kg
20237,348 t2,351 t83 days320 kg

Technical efficiency: EIV (6.7 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

PortRecordDate (UTC)BerthSource
Hong Kong HKHKGArrivalApr 9, 2024, 10:22 UTCPAFFHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKGArrivalMar 30, 2024, 18:52 UTCSHELLHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKGArrivalNov 13, 2023, 10:51 UTCELCHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKGArrivalJul 14, 2019, 02:12 UTCCTXHong Kong vessel arrivals & departures (incl. VTMS daily reports)
Port Arthur USPOADepartureApr 14, 2016(date only)—USACE foreign traffic vessel entrances & clearances
Port Arthur USPOAArrivalApr 13, 2016(date only)—USACE foreign traffic vessel entrances & clearances
Corpus Christi USCRPDepartureMar 29, 2016(date only)—USACE foreign traffic vessel entrances & clearances
Corpus Christi USCRPArrivalMar 28, 2016(date only)—USACE foreign traffic vessel entrances & clearances
Beaumont USBPTArrivalMar 18, 2016(date only)—USACE foreign traffic vessel entrances & clearances
Beaumont USBPTDepartureMar 18, 2016(date only)—USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)DepartureMar 15, 2016(date only)—USACE foreign traffic vessel entrances & clearances
HOUSTON SHIP CHANNEL, TX (HOUSTON, TX)ArrivalMar 2, 2016(date only)—USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: August 11, 2010.

Behaviour at sea Voydar-derived

Patterns Voydar derived from this ship's AIS broadcasts. They are inferences, not reports: each one shows how it was computed and how confident we are, and none of them says why a ship behaved this way.

WhenWhat we observedConfidence
Sep 23, 2026, 17:24 UTC
AIS gap

No AIS position received for 5 h 0 min while our receivers kept hearing other ships there (4 of 4 hours in coverage). Heard again 0 km away.

Method seadar.behaviour.ais_gap v1

High (80%)

Source: Fintraffic / digitraffic.fi, license CC 4.0 BY. Licence: CC BY 4.0.

Derived from AIS positions of feeds whose terms allow display on Voydar. Coverage is terrestrial: gaps are reported only where our receivers kept hearing other ships. Detections below medium confidence are not shown.

How these are computed →

Frequently asked questions

Where is OPTIMAL ACE now?
OPTIMAL ACE (Chemical tanker, Hong Kong flag) was last seen on AIS on Oct 3, 2026, 15:32 UTC, at anchor, in the Baltic Sea. The crew-entered destination was ST PETERSBURG (voyage report via Digitraffic marine AIS, received Oct 3, 2026, 15:16 UTC). This report does not confirm the ship’s current route.
What kind of ship is OPTIMAL ACE?
OPTIMAL ACE is a chemical tanker sailing under the flag of Hong Kong, built in 2006. The vessel is 183 m long and has a gross tonnage of 30,091.
What sanctions and inspection records does Voydar hold for OPTIMAL ACE?
Voydar has no matched sanctions record displayed for OPTIMAL ACE 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 OPTIMAL ACE. Missing records do not establish whether the ship has been detained.

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