What kind of ship is Overseas Boston?

Overseas Boston is a tanker sailing under the flag of United States, built in 2008. The vessel is 183 m long with a beam of 32 m and has a gross tonnage of 29,242.

What sanctions and inspection records does Voydar hold for Overseas Boston?

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

Overseas Boston

Tanker · United States · built 2008 · AIS Class A

IMO9353565MMSI338221000Call signWJBULast AIS position Sep 14, 2026, 02:16 UTC

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In short

Overseas Boston (Tanker, United States flag) was last seen on AIS on Sep 14, 2026, 02:16 UTC, under way at 9.7 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. Managing owner (USCG): ASC LEASING VI INC (source: US Coast Guard — Merchant Vessels of the United States (documented vessels)).

Vessel type: Tanker
Flag: United States
Year built: 2008
Gross tonnage: 29,242
Size (length × beam): 183 m × 32 m
Managing owner (USCG): ASC LEASING VI INC

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Last reported position

received Sep 14, 2026, 02:16 UTC

Position: 37.5732° N, 123.0634° W
Area: North Pacific Ocean
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 9.7 kn
Course: 238°
Heading: 245°

37.5732° N, 123.0634° 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: Overseas Boston
IMO numberWhat is an IMO number?: 9353565
MMSIWhat is an MMSI?: 338221000
Call signWhat is a call sign?: WJBU
Flag: United States
Vessel type: Tanker
Gross tonnageGross tonnage vs deadweight: 29,242
Deadweight (DWT): Source: Wikidata, record Q105765625. Added to Voydar on September 23, 2026. Licence: CC0 1.0.46,804 t
Length overall: 183 m
Beam: 32 m
Year built: 2008

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): ASC LEASING VI 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): Maritime Partners, LLC(not linked to a company record)
Source: FCC Universal Licensing System — ship station licences · since 2026 · 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.

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
Feb 6, 2014	Reported arrival at Long BeachAuthority-reported	USACE foreign traffic vessel entrances & clearances
Dec 23, 2013	Reported departure from Long BeachAuthority-reported	USACE foreign traffic vessel entrances & clearances
Jun 10, 2009	Reported departure from Long BeachAuthority-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.

Reported by authorities Authority-reported

Port	Record	Date (UTC)	Berth	Source
Long Beach USLGB	Arrival	Feb 6, 2014(date only)	—	USACE foreign traffic vessel entrances & clearances
Long Beach USLGB	Departure	Dec 23, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
Long Beach USLGB	Departure	Jun 10, 2009(date only)	—	USACE foreign traffic vessel entrances & clearances
Long Beach USLGB	Arrival	Jun 9, 2009(date only)	—	USACE foreign traffic vessel entrances & clearances
Los Angeles USLAX	Departure	Jun 5, 2009(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: June 5, 2009.

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 Overseas Boston now?: Overseas Boston (Tanker, United States flag) was last seen on AIS on Sep 14, 2026, 02:16 UTC, under way at 9.7 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 Overseas Boston?: Overseas Boston is a tanker sailing under the flag of United States, built in 2008. The vessel is 183 m long with a beam of 32 m and has a gross tonnage of 29,242.
Who is recorded as the owner or manager of Overseas Boston?: ASC LEASING VI INC is recorded as Managing owner (USCG) for Overseas Boston (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 Overseas Boston?: Voydar has no matched sanctions record displayed for Overseas Boston 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 Overseas Boston. Missing records do not establish whether the ship has been detained.

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