What kind of ship is STENA IMPECCABLE?

STENA IMPECCABLE is a chemical tanker sailing under the flag of United States, built in 2017 by CSSC Offshore & Marine Engineering Company. The vessel is 183 m long with a beam of 32 m and has a gross tonnage of 29,680.

What sanctions and inspection records does Voydar hold for STENA IMPECCABLE?

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

STENA IMPECCABLE

Chemical tanker · United States · built 2017 · AIS Class A

IMO9693020MMSI367054000Call signKSIJLast AIS position Sep 29, 2026, 16:41 UTC

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In short

STENA IMPECCABLE (Chemical tanker, United States flag) was last seen on AIS on Sep 29, 2026, 16:41 UTC, under way at 8.7 kn, in the North Pacific Ocean. Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. Its last detected port call was at Yokosuka: arrived Sep 27, 2026, left Sep 28, 2026. ISM manager: Crowley Government Services (source: EU MRV (THETIS-MRV) emissions, reporting years 2024–2025).

Vessel type: Chemical tanker
Flag: United States
Year built: 2017
Gross tonnage: 29,680
Size (length × beam): 183 m × 32 m
ISM manager: Crowley Government Services

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Last reported position

received Sep 29, 2026, 16:41 UTC

Position: 32.8644° N, 135.6488° E
Area: North Pacific Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 8.7 kn
Course: 253°
Heading: 249°

32.8644° N, 135.6488° E

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Last 30 days: 1 port call (Yokosuka).

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: STENA IMPECCABLE
IMO numberWhat is an IMO number?: 9693020
MMSIWhat is an MMSI?: 367054000
Call signWhat is a call sign?: KSIJ
Flag: United States
Vessel type: Chemical tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 29,680
Deadweight (DWT): Source: Wikidata, record Q117110812. Added to Voydar on September 23, 2026. Licence: CC0 1.0.49,737 t
Length overall: 183 m
Beam: 32 m
Year built: 2017

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: Crowley Government Services
Source: EU MRV (THETIS-MRV) emissions · reporting years 2024–2025 · reported · confidence 0.9 · retrieved Sep 28, 2026
Builder: CSSC Offshore & Marine Engineering Company
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
Sep 28, 2026, 09:20 UTC	Left YokosukaAIS-detected	Voydar port-call detector (AIS geofence)
Sep 27, 2026, 00:45 UTC	Arrived at YokosukaAIS-detected	Voydar port-call detector (AIS geofence)
May 10, 2023, 13:48 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
May 8, 2023, 09:21 UTC	Reported arrival at Hong KongAuthority-reported	Hong 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.

Year	CO₂ emitted	Fuel burned	Time at sea	CO₂ / n mile
2018	7,219 t	2,298 t	93 days	303 kg
2019	5,109 t	1,628 t	61 days	323 kg
2020	4,151 t	1,325 t	46 days	344 kg
2021	7,324 t	2,332 t	108 days	252 kg
2022	6,035 t	1,920 t	65 days	314 kg
2024	12,452 t	3,966 t	162 days	274 kg
2025	2,805 t	888 t	31 days	350 kg

Technical efficiency: EEXI (4.43 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.

Detected from AIS AIS-detected

Port	Arrived	Departed	Time in port
Yokosuka JPYOS	Sep 27, 2026, 00:45 UTC	Sep 28, 2026, 09:20 UTC	32 h 35 min

Detected by Voydar when the ship's AIS positions stayed slow inside a harbour area. Calls shorter than 30 minutes are not shown. Depends on AIS reception; detection started on June 8, 2026.

Reported by authorities Authority-reported

Port	Record	Date (UTC)	Berth	Source
Hong Kong HKHKG	Arrival	May 8, 2023, 09:21 UTC	SLA	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)

Records published by the authority named on each row. Earliest record for this ship: May 8, 2023.

Source: Marine Department, HKSAR Government — DATA.GOV.HK. Licence: DATA.GOV.HK Terms and Conditions.

Frequently asked questions

Where is STENA IMPECCABLE now?: STENA IMPECCABLE (Chemical tanker, United States flag) was last seen on AIS on Sep 29, 2026, 16:41 UTC, under way at 8.7 kn, in the North Pacific 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 STENA IMPECCABLE?: STENA IMPECCABLE is a chemical tanker sailing under the flag of United States, built in 2017 by CSSC Offshore & Marine Engineering Company. The vessel is 183 m long with a beam of 32 m and has a gross tonnage of 29,680.
Who is recorded as the owner or manager of STENA IMPECCABLE?: Crowley Government Services is recorded as ISM manager for STENA IMPECCABLE (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 STENA IMPECCABLE?: Voydar has no matched sanctions record displayed for STENA IMPECCABLE 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 STENA IMPECCABLE. Missing records do not establish whether the ship has been detained.

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