What kind of ship is CS IMPERATIVE?

CS IMPERATIVE is a chemical tanker sailing under the flag of United States, built in 2016 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 CS IMPERATIVE?

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

CS IMPERATIVE

Chemical tanker · United States · built 2016 · AIS Class A

IMO9666077MMSI338638000Call signWSIYLast AIS position Sep 25, 2026, 11:43 UTC

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In short

CS IMPERATIVE (Chemical tanker, United States flag) was last seen on AIS on Sep 25, 2026, 11:43 UTC, moored, near Jurong (Strait of Malacca). 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 SINGAPORE-PEBGB; its reported draught is 6 m (voyage report via AISstream.io global terrestrial AIS, received Sep 25, 2026, 11:44 UTC).

Vessel type: Chemical tanker
Flag: United States
Year built: 2016
Gross tonnage: 29,680
Size (length × beam): 183 m × 32 m
Registered owner: —

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Last reported position

received Sep 25, 2026, 11:43 UTC

Position: 1.3037° N, 103.6515° E
Area: Strait of Malacca
StatusWhat do AIS statuses mean?: Moored
Speed: 0 kn
Course: 130°
Heading: 43°

1.3037° N, 103.6515° 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.

A year of history in the Terminal (Plus) · the full archive since June 1, 2026 (Pro)

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Identity & particulars

Name: CS IMPERATIVE
IMO numberWhat is an IMO number?: 9666077
MMSIWhat is an MMSI?: 338638000
Call signWhat is a call sign?: WSIY
Flag: United States
Vessel type: Detailed type from EU MRV (THETIS-MRV) emissionsChemical tanker
AIS ship type: Tanker
Gross tonnageGross tonnage vs deadweight: 29,680
Deadweight (DWT): Source: Wikidata, record Q117028572. Added to Voydar on September 23, 2026. Licence: CC0 1.0.49,777 t
Length overall: 183 m
Beam: 32 m
Year built: 2016

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: 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
Jan 3, 2026, 18:37 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Jan 2, 2026, 11:52 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Sep 20, 2019, 23:53 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Sep 18, 2019, 08:01 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Dec 17, 2016	Reported departure from 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
2018	6,122 t	1,945 t	87 days	306 kg
2019	2,638 t	845 t	43 days	250 kg
2020	1,705 t	546 t	24 days	248 kg
2022	3,095 t	984 t	40 days	331 kg

Technical efficiency: EEDI (4.34 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
Hong Kong HKHKG	Arrival	Jan 2, 2026, 11:52 UTC	SINO	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Hong Kong HKHKG	Arrival	Sep 18, 2019, 08:01 UTC	MBA	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Freeport USFPO	Departure	Dec 17, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Freeport USFPO	Arrival	Dec 11, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Guayanilla PRGUY	Departure	Dec 3, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Guayanilla PRGUY	Arrival	Dec 1, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Baton Rouge USBTR	Arrival	Jul 11, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Baton Rouge USBTR	Departure	Jul 11, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Stockton USSCK	Departure	Jun 20, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Stockton USSCK	Arrival	Jun 16, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: June 16, 2016.

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

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 CS IMPERATIVE now?: CS IMPERATIVE (Chemical tanker, United States flag) was last seen on AIS on Sep 25, 2026, 11:43 UTC, moored, near Jurong (Strait of Malacca). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was SINGAPORE-PEBGB (voyage report via AISstream.io global terrestrial AIS, received Sep 25, 2026, 11:44 UTC). This report does not confirm the ship’s current route.
What kind of ship is CS IMPERATIVE?: CS IMPERATIVE is a chemical tanker sailing under the flag of United States, built in 2016 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 CS IMPERATIVE?: Voydar has no matched sanctions record displayed for CS IMPERATIVE 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 CS IMPERATIVE. Missing records do not establish whether the ship has been detained.

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