Thunder Bay
Bulk carrier · Canada · built 2013 · AIS Class A
In short
Thunder Bay (Bulk carrier, Canada flag) was last seen on AIS on , not moving, near Thunder Bay (Great Lakes). Its crew-entered AIS destination is THUNDER BAY, with an ETA of Oct 2, 2026, 16:00 UTC; its reported draught is 7.1 m (voyage report via AISstream.io global terrestrial AIS, received Oct 2, 2026, 16:31 UTC). ISM manager: The CSL Group Inc. (source: EU MRV (THETIS-MRV) emissions, reporting year 2025).
Current voyage: from Sault Sainte Marie (departed Oct 1, 2026, 20:18 UTC) to THUNDER BAY
- Vessel type
- Bulk carrier
- Flag
- Canada
- Year built
- 2013
- Gross tonnage
- 24,300
- Size (length × beam)
- 225 m × 24 m
- ISM manager
- The CSL Group Inc.
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Last reported position
received- Position
- 48.4141° N, 89.2212° W
- Area
- Great Lakes
- StatusWhat do AIS statuses mean?
- Under way using engine
- Speed
- 0.3 kn
- Course
- 90°
- Heading
- 270°
Last 30 days: 8 port calls (Sault Sainte Marie, Detroit, Melvindale, Port Colborne, Saint-Catharines, Port Weller, and Montreal).
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)
Try the live demo, no sign-upIdentity & particulars
- Name
- Thunder Bay
- IMO numberWhat is an IMO number?
- 9601039
- MMSIWhat is an MMSI?
- 316023339
- Call signWhat is a call sign?
- CFN6288
- Flag
- Canada
- AIS ship type
- Cargo
- Gross tonnageGross tonnage vs deadweight
- 24,300
- Length overall
- 225 m
- Beam
- 24 m
- Year built
- 2013
CanadaA 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.
- ISM manager
- Source: EU MRV (THETIS-MRV) emissions · reporting year 2025 · reported · confidence 0.9 · retrieved Sep 28, 2026
- Builder
- 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 |
|---|---|---|
| Left Sault Sainte MarieAIS-detected | Voydar port-call detector (AIS geofence) | |
| Arrived at Sault Sainte MarieAIS-detected | Voydar port-call detector (AIS geofence) | |
| Left DetroitAIS-detected | Voydar port-call detector (AIS geofence) | |
| Arrived at DetroitAIS-detected | Voydar port-call detector (AIS geofence) | |
| Left MelvindaleAIS-detected | Voydar port-call detector (AIS geofence) | |
| Arrived at MelvindaleAIS-detected | Voydar port-call detector (AIS geofence) | |
| Port State Control inspection at Willowbrook, Illinois | USCG PSIX / CGMIX inspections | |
| Inspection at Duluth, Minnesota | USCG PSIX / CGMIX inspections | |
| Port State Control inspection at Duluth, Minnesota | USCG PSIX / CGMIX inspections | |
| Inspection at Milwaukee, Wisconsin | USCG PSIX / CGMIX inspections | |
| Inspection at TOLEDO, Ohio | USCG PSIX / CGMIX inspections | |
| Port State Control inspection at DETROIT, Michigan | USCG PSIX / CGMIX inspections | |
| Inspection at Sault Ste Marie, Michigan | USCG PSIX / CGMIX inspections | |
| Inspection at WASHINGTON, District of Columbia | USCG PSIX / CGMIX inspections | |
| Port State Control inspection at Sault Ste Marie, Michigan | USCG PSIX / CGMIX inspections | |
| Reported departure from MilwaukeeAuthority-reported | USACE foreign traffic vessel entrances & clearances | |
| Reported arrival at MilwaukeeAuthority-reported | USACE foreign traffic vessel entrances & clearances | |
| Reported departure from BURNS WATERWAY HARBOR, INAuthority-reported | USACE foreign traffic vessel entrances & clearances | |
| Inspection at TOLEDO, Ohio | USCG PSIX / CGMIX inspections |
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.
Safety & inspections
| Date | Type | Port | Findings |
|---|---|---|---|
| May 2, 2026 | Vessel InspectionPSC | Willowbrook, Illinois | clean |
| Aug 4, 2025 | Vessel Inspection | Duluth, Minnesota | clean |
| Jul 10, 2024 | Vessel InspectionPSC | Duluth, Minnesota | clean |
| Jan 2, 2020 | Vessel Inspection | Milwaukee, Wisconsin | clean |
| Nov 10, 2018 | Vessel Inspection | TOLEDO, Ohio | clean |
| Apr 6, 2018 | Vessel InspectionPSC | DETROIT, Michigan | clean |
| Apr 1, 2018 | Vessel Inspection | Sault Ste Marie, Michigan | clean |
| Apr 1, 2018 | Incident Investigation | WASHINGTON, District of Columbia | clean |
| Oct 5, 2017 | Vessel InspectionPSC | Sault Ste Marie, Michigan | clean |
| Oct 4, 2016 | Vessel Inspection | TOLEDO, Ohio | clean |
| Sep 9, 2015 | Vessel InspectionPSC | Duluth, Minnesota | clean |
| Aug 10, 2015 | Vessel Inspection | Cleveland, Ohio | clean |
| Aug 30, 2014 | Vessel InspectionPSC | Duluth, Minnesota | clean |
| Aug 4, 2013 | Vessel Inspection | STURGEON BAY, Wisconsin | clean |
Source: U.S. Coast Guard Port State Information Exchange (PSIX) — public domain. Covers inspections recorded in U.S. waters. Free on Voydar; the incumbents charge for this.
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 |
|---|---|---|---|---|
| 2025 | 0 t | 0 t | 0 days | — |
Technical efficiency: Not Applicable. 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.
Detected from AIS AIS-detected
| Port | Arrived | Departed | Time in port |
|---|---|---|---|
| Sault Sainte Marie USSSM | Oct 1, 2026, 18:31 UTC | Oct 1, 2026, 20:18 UTC | 1 h 47 min |
| Detroit USDET | Sep 30, 2026, 11:46 UTC | Sep 30, 2026, 16:43 UTC | 4 h 57 min |
| Melvindale USMGF | Sep 27, 2026, 19:00 UTC | Sep 28, 2026, 16:17 UTC | 21 h 17 min |
| Port Colborne CAPCO | Sep 26, 2026, 23:43 UTC | Sep 27, 2026, 00:53 UTC | 1 h 10 min |
| Saint-Catharines CASCA | Sep 26, 2026, 16:53 UTC | Sep 26, 2026, 21:46 UTC | 4 h 54 min |
| Port Weller CAPWE | Sep 26, 2026, 14:11 UTC | Sep 26, 2026, 16:53 UTC | 2 h 42 min |
| Montreal CAMTR | Sep 23, 2026, 21:26 UTC | Sep 24, 2026, 00:42 UTC | 3 h 16 min |
| Port Weller CAPWE | Sep 19, 2026, 13:36 UTC | Sep 23, 2026, 14:40 UTC | 4 d 1 h |
| Port Weller CAPWE | Jun 14, 2026, 09:48 UTC | Jun 14, 2026, 10:49 UTC | 1 h 1 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 |
|---|---|---|---|---|
| Milwaukee USMKE | Departure | Dec 22, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| Milwaukee USMKE | Arrival | Dec 21, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| BURNS WATERWAY HARBOR, IN | Departure | Dec 2, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| BURNS WATERWAY HARBOR, IN | Arrival | Dec 1, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| Detroit USDET | Departure | Nov 23, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| Detroit USDET | Arrival | Nov 23, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| TOLEDO HARBOR, OH | Departure | Oct 22, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| TOLEDO HARBOR, OH | Arrival | Oct 21, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| TOLEDO HARBOR, OH | Departure | Oct 14, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| TOLEDO HARBOR, OH | Arrival | Oct 9, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| DULUTH-SUPERIOR HARBOR, MN AND WI | Departure | Aug 31, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
| DULUTH-SUPERIOR HARBOR, MN AND WI | Arrival | Aug 31, 2016(date only) | — | USACE foreign traffic vessel entrances & clearances |
Records published by the authority named on each row. Earliest record for this ship: August 4, 2013.
Source: US Army Corps of Engineers, Waterborne Commerce Statistics Center (US CBP entrance/clearance records). Licence: US Government work — public domain.
About Thunder Bay
Thunder Bay is a Trillium-class lake freighter cargo vessel, built and launched in China in 2013. The ship is owned, and operated on the Great Lakes, by the Canada Steamship Lines (CSL). Like her three sister ships in CSL's Trillium class, Baie St. Paul, Baie Comeau, and Whitefish Bay, the vessel is a self-unloading bulk carrier, with a conveyor belt on a long boom that can be deployed over port or starboard sides.
Summary from Wikipedia, licensed CC BY-SA.
Frequently asked questions
- Where is Thunder Bay now?
- Thunder Bay (Bulk carrier, Canada flag) was last seen on AIS on Oct 2, 2026, 17:15 UTC, not moving, near Thunder Bay (Great Lakes). The crew-entered destination was THUNDER BAY (voyage report via AISstream.io global terrestrial AIS, received Oct 2, 2026, 16:31 UTC). This report does not confirm the ship’s current route.
- What kind of ship is Thunder Bay?
- Thunder Bay is a bulk carrier sailing under the flag of Canada, built in 2013 by Chengxi Shipyard. The vessel is 225 m long with a beam of 24 m and has a gross tonnage of 24,300.
- Who is recorded as the owner or manager of Thunder Bay?
- The CSL Group Inc. is recorded as ISM manager for Thunder Bay (source: EU MRV (THETIS-MRV) emissions; reporting year 2025). This source record does not independently confirm today’s ownership or management.
- What sanctions and inspection records does Voydar hold for Thunder Bay?
- Voydar has no matched sanctions record displayed for Thunder Bay 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. Thunder Bay has 14 recorded Port State Control inspections. Detention and deficiency detail is not recorded for these inspections.
Sister ships
Likely sister ships: built by Chengxi Shipyard, same type, gross tonnage within 2.5% and length within 1.5% of this ship's.
- Algoma MarinerIMO 9587893Bulk carrier · built 2011 · 24,535 GT
- Baie St. PaulIMO 9601027Bulk carrier · built 2012 · 24,430 GT
- Baie ComeauIMO 9639892Bulk carrier · built 2013 · 24,430 GT
- Whitefish BayIMO 9639880Bulk carrier · built 2013 · 24,300 GT
Neighbouring IMO numbers
IMO numbers are issued in sequence. These are the nearest numbers below and above this ship's that have a full Voydar profile.
Use this data
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