Voydar has no displayable AIS position for Mass I in this profile. A coverage gap does not establish whether the ship is transmitting or where it is now.

What kind of ship is Mass I?

Mass I is an oil tanker, built in 1996 by Onomichi Dockyard. The vessel is 182 m long with a beam of 32 m and has a gross tonnage of 28,433.

What sanctions and inspection records does Voydar hold for Mass I?

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

Mass I

Oil tanker · built 1996

IMO9121194No AIS position on record

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In short

Mass I (Oil tanker) has no AIS position on record with Voydar.

Vessel type: Oil tanker
Flag: —
Year built: 1996
Gross tonnage: 28,433
Size (length × beam): 182 m × 32 m
Registered owner: —

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Last reported position

No AIS position on record for this vessel. Identity and particulars are below.

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

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Identity & particulars

Name: Mass I
IMO numberWhat is an IMO number?: 9121194
MMSIWhat is an MMSI?: —
Call signWhat is a call sign?: —
Flag: —
Vessel type: Oil tanker
Gross tonnageGross tonnage vs deadweight: 28,433
Deadweight (DWT): Source: Wikidata, record Q117011686. Added to Voydar on September 23, 2026. Licence: CC0 1.0.47,172 t
Length overall: 182 m
Beam: 32 m
Year built: 1996

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: Onomichi Dockyard
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
Feb 15, 2003	Reported departure from OTHER PUGET SOUND AREA PORTS, WA (NET)Authority-reported	USACE foreign traffic vessel entrances & clearances
Feb 14, 2003	Reported arrival at OTHER PUGET SOUND AREA PORTS, WA (NET)Authority-reported	USACE foreign traffic vessel entrances & clearances
Feb 11, 2003	Reported departure from RichmondAuthority-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
OTHER PUGET SOUND AREA PORTS, WA (NET)	Departure	Feb 15, 2003(date only)	—	USACE foreign traffic vessel entrances & clearances
OTHER PUGET SOUND AREA PORTS, WA (NET)	Arrival	Feb 14, 2003(date only)	—	USACE foreign traffic vessel entrances & clearances
Richmond USRCH	Departure	Feb 11, 2003(date only)	—	USACE foreign traffic vessel entrances & clearances
Oakland USOAK	Arrival	Feb 10, 2003(date only)	—	USACE foreign traffic vessel entrances & clearances
Richmond USRCH	Departure	Jan 20, 2003(date only)	—	USACE foreign traffic vessel entrances & clearances
Richmond USRCH	Arrival	Jan 19, 2003(date only)	—	USACE foreign traffic vessel entrances & clearances
Los Angeles USLAX	Departure	Jan 16, 2003(date only)	—	USACE foreign traffic vessel entrances & clearances
Los Angeles USLAX	Arrival	Jan 15, 2003(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: January 15, 2003.

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 Mass I now?: Voydar has no displayable AIS position for Mass I in this profile. A coverage gap does not establish whether the ship is transmitting or where it is now.
What kind of ship is Mass I?: Mass I is an oil tanker, built in 1996 by Onomichi Dockyard. The vessel is 182 m long with a beam of 32 m and has a gross tonnage of 28,433.
What sanctions and inspection records does Voydar hold for Mass I?: Voydar has no matched sanctions record displayed for Mass I 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 Mass I. Missing records do not establish whether the ship has been detained.

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