What kind of ship is Polar Endeavour?

Polar Endeavour is a tanker sailing under the flag of United States, built in 2005 by Avondale Shipyard. The vessel is 273 m long with a beam of 46 m and has a gross tonnage of 85,387.

What sanctions and inspection records does Voydar hold for Polar Endeavour?

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

Polar Endeavour

Tanker · United States · built 2005 · AIS Class A

IMO9193551MMSI338371000Call signWCAJLast AIS position Oct 1, 2026, 17:46 UTC

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In short

Polar Endeavour (Tanker, United States flag) was last seen on AIS on Oct 1, 2026, 17:46 UTC, under way at 13.4 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 crew-entered AIS destination is US CLM > US VDZ; its reported draught is 10 m (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 14:05 UTC). Managing owner (USCG): POLAR TANKERS INC (source: US Coast Guard — Merchant Vessels of the United States (documented vessels)).

Current voyage: from Thenard (departed Sep 21, 2026, 13:49 UTC) to US CLM > US VDZ

Vessel type: Tanker
Flag: United States
Year built: 2005
Gross tonnage: 85,387
Size (length × beam): 273 m × 46 m
Managing owner (USCG): POLAR TANKERS INC

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Last reported position

received Oct 1, 2026, 17:46 UTC

Position: 48.5696° N, 127.0434° W
Area: North Pacific Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 13.4 kn
Course: 308°
Heading: 304°

48.5696° N, 127.0434° W

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Last 30 days: 1 port call (Thenard).

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: Polar Endeavour
IMO numberWhat is an IMO number?: 9193551
MMSIWhat is an MMSI?: 338371000
Call signWhat is a call sign?: WCAJ
Flag: United States
Vessel type: Tanker
Gross tonnageGross tonnage vs deadweight: 85,387
Length overall: 273 m
Beam: 46 m
Year built: 2005

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.

Managing owner (USCG): POLAR TANKERS INC(not linked to a company record)
Source: US Coast Guard — Merchant Vessels of the United States (documented vessels) · reported · confidence 0.9 · retrieved Oct 6, 2026Coast Guard documentation record (2026-09 file) matched to this ship by IMO number and call sign. The managing owner is the company the Coast Guard has on record for the ship's certificate of documentation.
Ship radio licensee (FCC): Polar Tankers, Inc.(not linked to a company record)
Source: FCC Universal Licensing System — ship station licences · since 2022 · reported · confidence 0.9 · retrieved Oct 6, 2026Licence matched to this ship by MMSI and call sign. The licensee holds the radio licence; it is not necessarily the owner.
Builder: Avondale Shipyard
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 21, 2026, 13:49 UTC	Left ThenardAIS-detected	Voydar port-call detector (AIS geofence)
Sep 20, 2026, 22:12 UTC	Arrived at ThenardAIS-detected	Voydar port-call detector (AIS geofence)
Jul 21, 2020, 01:48 UTC	Reported departure from Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Jul 8, 2020, 03:03 UTC	Reported arrival at Hong KongAuthority-reported	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Aug 7, 2015	Reported arrival at ValdezAuthority-reported	USACE foreign traffic vessel entrances & clearances
Apr 21, 2015	Reported departure from ValdezAuthority-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.

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
Thenard USOJL	Sep 20, 2026, 22:12 UTC	Sep 21, 2026, 13:49 UTC	15 h 37 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	Jul 8, 2020, 03:03 UTC	SLA	Hong Kong vessel arrivals & departures (incl. VTMS daily reports)
Valdez USVDZ	Arrival	Aug 7, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
Valdez USVDZ	Departure	Apr 21, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
Valdez USVDZ	Arrival	Jul 29, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
Honolulu USHNL	Departure	Feb 8, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
Portland USPDX	Arrival	Sep 20, 2008(date only)	—	USACE foreign traffic vessel entrances & clearances
OTHER PUGET SOUND AREA PORTS, WA (NET)	Departure	May 3, 2008(date only)	—	USACE foreign traffic vessel entrances & clearances
Long Beach USLGB	Arrival	Aug 30, 2004(date only)	—	USACE foreign traffic vessel entrances & clearances
Long Beach USLGB	Departure	Aug 12, 2004(date only)	—	USACE foreign traffic vessel entrances & clearances
ANACORTES HARBOR, WA	Arrival	Jun 27, 2004(date only)	—	USACE foreign traffic vessel entrances & clearances
CARQUINEZ STRAIT, CA	Departure	Jun 25, 2004(date only)	—	USACE foreign traffic vessel entrances & clearances
CARQUINEZ STRAIT, CA	Arrival	Jun 24, 2004(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: June 13, 2003.

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 Polar Endeavour now?: Polar Endeavour (Tanker, United States flag) was last seen on AIS on Oct 1, 2026, 17:46 UTC, under way at 13.4 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. The crew-entered destination was US CLM > US VDZ (voyage report via AISstream.io global terrestrial AIS, received Oct 1, 2026, 14:05 UTC). This report does not confirm the ship’s current route.
What kind of ship is Polar Endeavour?: Polar Endeavour is a tanker sailing under the flag of United States, built in 2005 by Avondale Shipyard. The vessel is 273 m long with a beam of 46 m and has a gross tonnage of 85,387.
Who is recorded as the owner or manager of Polar Endeavour?: POLAR TANKERS INC is recorded as Managing owner (USCG) for Polar Endeavour (source: US Coast Guard — Merchant Vessels of the United States (documented vessels)). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Voydar hold for Polar Endeavour?: Voydar has no matched sanctions record displayed for Polar Endeavour 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 Polar Endeavour. Missing records do not establish whether the ship has been detained.

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