Where is John B. now?

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

What kind of ship is John B.?

John B. is a bulk carrier, built in 1983 by Collingwood Shipbuilding. The vessel is 223 m long and has a gross tonnage of 22,881.

What sanctions and inspection records does Voydar hold for John B.?

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

John B.

Bulk carrier · built 1983

IMO8002432No AIS position on record

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In short

John B. (Bulk carrier) has no AIS position on record with Voydar.

Vessel type: Bulk carrier
Flag: —
Year built: 1983
Gross tonnage: 22,881
Size (length × beam): 223 m
Registered owner: —

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Last reported position

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

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Identity & particulars

Name: John B.
IMO numberWhat is an IMO number?: 8002432
MMSIWhat is an MMSI?: —
Call signWhat is a call sign?: —
Flag: —
Vessel type: Bulk carrier
Gross tonnageGross tonnage vs deadweight: 22,881
Length overall: 223 m
Beam: —
Year built: 1983

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: Collingwood Shipbuilding
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
Dec 30, 2016	Reported departure from MilwaukeeAuthority-reported	USACE foreign traffic vessel entrances & clearances
Dec 30, 2016	Reported arrival at MilwaukeeAuthority-reported	USACE foreign traffic vessel entrances & clearances
Dec 25, 2016	Reported departure from ROUGE RIVER, MI (INCLUDED IN PORT OF DETROIT)Authority-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
Milwaukee USMKE	Departure	Dec 30, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Milwaukee USMKE	Arrival	Dec 30, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
ROUGE RIVER, MI (INCLUDED IN PORT OF DETROIT)	Departure	Dec 25, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
ROUGE RIVER, MI (INCLUDED IN PORT OF DETROIT)	Arrival	Dec 25, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Buffalo USBUF	Departure	Dec 9, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
Buffalo USBUF	Arrival	Dec 9, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
ROUGE RIVER, MI (INCLUDED IN PORT OF DETROIT)	Arrival	Dec 5, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
ROUGE RIVER, MI (INCLUDED IN PORT OF DETROIT)	Departure	Dec 5, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
DULUTH-SUPERIOR HARBOR, MN AND WI	Departure	Nov 23, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
DULUTH-SUPERIOR HARBOR, MN AND WI	Arrival	Nov 23, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
BURNS WATERWAY HARBOR, IN	Departure	Nov 14, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances
BURNS WATERWAY HARBOR, IN	Arrival	Nov 13, 2016(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: January 1, 2002.

Source: US Army Corps of Engineers, Waterborne Commerce Statistics Center (US CBP entrance/clearance records). Licence: US Government work — public domain.

About John B.

John B. Aird was a self-discharging lake freighter/bulk carrier that was launched in 1983 and served on the Great Lakes and Saint Lawrence Seaway until 2017. The vessel was owned and operated by Algoma Central during that time, which had named the vessel for a former chairman of the Algoma Central Railway. Prior to the construction of Algoma Equinox in 2013, John B. Aird was the last vessel built for the company.

Summary from Wikipedia, licensed CC BY-SA.

Frequently asked questions

Where is John B. now?: Voydar has no displayable AIS position for John B. in this profile. A coverage gap does not establish whether the ship is transmitting or where it is now.
What kind of ship is John B.?: John B. is a bulk carrier, built in 1983 by Collingwood Shipbuilding. The vessel is 223 m long and has a gross tonnage of 22,881.
What sanctions and inspection records does Voydar hold for John B.?: Voydar has no matched sanctions record displayed for John B. 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 John B.. Missing records do not establish whether the ship has been detained.

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