Self Discharging Bulk Carrier 🇨🇦 CanadaActive

THUNDER BAY

Built by Chengxi Shipyard in 2013

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IMO: 9601039
MMSI: 316023339
Call Sign: CFN6288

Technical Specifications

Key Figures

Gross Tonnage

24,430GT

Deadweight

34,433DWT

Length Overall

225m

Beam

24m

Draught

8.1m

Year Built

2013

Overview

About This Vessel

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.

Live Tracking

Current Position

Live AIS · 11 h ago

Track · last 14 d

Position

45.232°N · 74.142°W

Speed

5.8 kn

Course

279°

Status

Under way using engine

Destination HAMILOTNETA Oct 15, 08:00 PMLaden · 8.1 m

Where it waited most

Most time stopped at Rouge River: 3 d across 3 stays.

1
Rouge River3 d · 3×
2
Port of Montreal48 h · 13×
3
Thunder Bay41 h · 2×
4
Superior27 h · 3×
5
Detroit24 h
6
Fort William24 h
7
Hamilton19 h
8
Saint-Catharines16 h · 33×
9
Amherstburg15 h
10
Sorel10 h
11
Port Colborne9 h · 5×
12
Port Weller6 h · 8×

Derived from the AIS track: runs of near-zero speed (anchored, moored or drifting) snapped to the nearest port. Builds up as we observe the vessel.

Intelligence

Risk & Sustainability

Quick estimate · comparable sales

$11.6Mrange $10.4M to $14.3M

$337/dwt · 34,433 dwt · built 2013

high confidence · 58 comps

Comparable sales

TATE J 2012 · $13MNanaimo Bay 2016 · $19MFOUR NABUCCO 2010 · $11.8MAFRICAN DOVE 2014 · $16.5MAFRICAN LARK 2014 · $16.5MAPHRODITE M 2011 · $12.5M

Second opinion · model estimate±18% typical error

$15.1Mrange $13.7M to $17.8M

Value drivers & depreciation

How a hull like this loses value with age (today's market). The dot marks this ship at 13 yrs.

Typical bulker peer$27M

Age vs peer

−$2.4M

Size vs peer

−$11M

Model fit R² 0.42Typical error ±18%tested on 2,908 recent sales

A quick estimate: the median $/dwt of 58 similar-size, similar-age ships sold in the last 24 months, not re-timed to today's market. The full valuation blends several models over recent sales adjusted for size, age and market moves, so its consensus value can differ from this figure. Indicative, not a certified valuation.

See the full valuation consensus

Risk scoreLow

84/ 100

Safety78

Compliance95

Environment78

Carbon intensity · estimatedE

This ship has no verified emissions report. We estimate a band E from its segment, size and age (61% confidence).

Estimate, not a reported figure. Within one band 94% of the time on reported peers.

Recent port calls

Beauharnois
Oct 15, 2026
0.1 d
Sainte-Catherine
Oct 15, 2026
0.0 d
Saint-Lambert
Oct 14, 2026
0.0 d
Sorel
Oct 14, 2026
0.4 d
Port of Montreal
Oct 10, 2026
1.8 d

AIS-derived from our live feed.

Compliance

Safety Record

Marine casualties8

Machinery FailureMinor
Sep 11, 2026Windmill Point, MI, USA, Outside Provincial Boundaries
On 11 September 2026, the bulk carrier "THUNDER BAY", reported having sustained a total failure of its steering system in the Detroit River off Detroit, MI, USA. The vessel was anchored for repairs, and once completed, resumed its voyage.
GroundingModerate
May 25, 2024Babys Point, ONTARIO (ON)
On 25 May 2024, the bulk carrier "THUNDER BAY" reported having sustained a total failure of its engine on Lake St. Clair off Seaway Island, ON. The vessel proceeded at a reduced speed to an anchorage off Windsor, ON for repairs.
Machinery FailureMinor
Jun 3, 2022Cap Saint-Michel, QUEBEC (QC)
On 03 June 2022, the bulk carrier "THUNDER BAY", while under the conduct of a pilot, reported experiencing engine issues while transiting the St. Lawrence River off Cap Saint-Michel, QC. The vessel anchored in the Pointe-aux-Trembles, QC anchorage where the crew carried out repairs and the vessel resumed its intended voyage.
Near-MissMinor
Oct 13, 2019Sorel-Tracy, QC, QUEBEC (QC)
On 13 October 2019, the self-discharging bulk carrier "THUNDER BAY", under the conduct of a pilot, reported a close quarters situation with the pleasure craft "13D26824".
Striking/AllisionSerious
Aug 11, 2019Beauharnois, QC, QUEBEC (QC)
On 11 August 2019, the bulk carrier "THUNDER BAY" allided with the arrester wire in the St. Lawrence Seaway's Lock No.3 in Beauharnois, QC. The vessel did not sustain damage but the arrester wire was damaged.
Near-MissMinor
Jun 11, 2019Port Lambton, ON, ONTARIO (ON)
On 11 June 2019, the bulk carrier "THUNDER BAY" and approximately 12 unknown pleasure crafts were involved in a close quarters situation on the St. Clair River, ON. The bulk carrier took evasive action to avoid a collision.
Machinery FailureMinor
Mar 31, 2018Thessalon, ON, ONTARIO (ON)
On 31 March 2018, the bulk carrier "THUNDER BAY" reported that the vessel's controllable pitch propeller blades seals were leaking hydraulic oil off Thessalon, ON. The vessel proceeded to anchor to have repairs carried out.
Striking/AllisionSerious
Jul 11, 2016Port Colborne, ON, ONTARIO (ON)
On 11 July 2016, the bulk carrier "THUNDER BAY" allided with the wall of the Welland Canal's Lock #8 off Port Colborne, ON. The vessel sustained damage to its hull and proceeded to the dock 18-2 for cargo unloading and repairs.

Recorded marine occurrences naming this vessel.

Build Series

Sister Vessels

1 sister

Chengxi Shipyard · BULKER · 2013 · 2-hull series

BAIE COMEAU

Built 201334,402 DWTIMO 9639892

Sister hulls share a yard, segment, build year (±1) and deadweight (±3%): the cleanest comparables for valuation. Derived in-house from our fleet register; coverage is limited to hulls carrying a recorded builder, so a series may be incomplete.

Operational Status

Activity

Under wayFix within the last day

Making way at sea speed on its latest broadcast.

Speed

5.8 kn

Nav status

Under way using engine

Last broadcast

within the last day

Hull age

13 yr

Read from the single most-recent AIS broadcast we hold for this hull. We keep no position history, so this is a point-in-time posture, not a dwell inference. Derived in-house from our own AIS feed; weight it by the broadcast age above.

Port calls

29 recent · AIS-detected

Arrivals, time in port and the load/discharge inferred from the draught change, detected from AIS track history. An open call means the vessel is still in port (no departure observed yet).

Beauharnois
no cargo change
→ · 3 h in port· draught 8.1→8.1 m
Sorel
no cargo change
→ · 11 h in port· draught 8.1→8.1 m
Thunder Bay
Loaded
→ · 29 h in port· draught 7.1→8.1 m
Rouge River
no cargo change
→ · 4 h in port· draught 7.1→7.1 m
Rouge River
no cargo change
→ · 21 h in port· draught 7.2→7.6 m
Port Weller
no cargo change
→ · 3 h in port· draught 7.2→7.2 m
Beauharnois
no cargo change
→ · 3 h in port· draught 8.1→8.1 m
Saint-Lambert
no cargo change
→ · 3 h in port· draught 8.1→8.1 m
Port Weller
no cargo change
→ · 5 h in port· draught 8.1→8.1 m
Sault Ste Marie
no cargo change
→ · 2 h in port· draught 8.1→8.1 m
Duluth
no cargo change
→ · 4 h in port· draught 7.1→7.1 m
Detroit
no cargo change
→ · 25 h in port· draught 7.1→7.1 m
Port Colborne
no cargo change
→ · 5 h in port· draught 7.1→7.1 m
Port Colborne
no cargo change
→ · 3 h in port· draught 8.1→8.1 m
Sault Ste Marie
no cargo change
→ · 3 h in port· draught 7.8→7.8 m
Rouge River
Loaded
→ · 2.1 days in port· draught 7.0→7.8 m
Port Colborne
no cargo change
→ · 6 h in port· draught 7.0→7.0 m
Port Weller
no cargo change
→ · 2 h in port· draught 7.0→7.0 m
Port Colborne
no cargo change
→ · 2 h in port· draught 8.1→8.1 m
Duluth
no cargo change
→ · 23 h in port· draught 7.9→8.1 m
Rouge River
Loaded
→ · 11 h in port· draught 7.1→7.9 m
Rouge River
no cargo change
→ · 40 h in port· draught 7.1→7.1 m
Calumet Harbor
no cargo change
→ · 14 h in port· draught 8.1→8.1 m
Rouge River
Loaded
→ · 34 h in port· draught 7.3→8.1 m
Port Colborne
no cargo change
→ · 6 h in port· draught 8.1→8.1 m
Port Weller
no cargo change
→ · 2 h in port· draught 8.1→8.1 m
Beauharnois
no cargo change
→ · 2 h in port· draught 8.1→8.1 m
Port Colborne
no cargo change
→ · 3 h in port· draught 7.1→7.1 m
Port Colborne
no cargo change
→ · 7 h in port· draught 7.1→7.1 m

Method: each call is a run of fixes inside a port’s geofence confirmed by a stop (or an AIS gap); load/discharge is the sign of the draught delta over the call. Indicative: arrivals before our AIS history began read from the first observation.

Where it waits

11 ports · 13.5 days total

Time-in-port summed by port from the AIS-detected port-call history: the ports this vessel has spent the most time at, longest first.

Rouge River· USA
6.7 days
6 calls · 27 h avg 3 loads
Port Colborne· Canada
31 h
7 calls · 4 h avg
Thunder Bay· Canada
29 h
1 call · 29 h avg 1 load
Duluth· USA
27 h
2 calls · 14 h avg
Detroit· USA
25 h
1 call · 25 h avg
Calumet Harbor· USA
14 h
1 call · 14 h avg
Port Weller· Canada
11 h
4 calls · 3 h avg
Sorel· Canada
11 h
1 call · 11 h avg
Beauharnois· Canada
8 h
3 calls · 3 h avg
Sault Ste Marie· USA
5 h
2 calls · 3 h avg
Saint-Lambert· Canada
3 h
1 call · 3 h avg

Based on 29 completed calls observed since . Open calls (no departure yet) are excluded. The distribution sharpens as AIS history accrues.

Composite Risk

Risk Score

39/100

Moderate riskLow confidence40% component coverage

Some elevated factors (typically age or a lower-graded flag), but no acute ship-specific flag.

PSC detentionsno data

Sanctions exposureno data

AIS-gap & behaviourno data

Hull age32

Flag register50

A coverage-weighted blend of the 2 components we could read for this hull; the weights renormalise over only the components present, so a thin read is never inflated and a hull is never credited a “safe 0” for a signal it has no row for. This headline is flagged low-confidence (a thin or structural-only read) and should not be treated as a verdict. Higher means riskier. Derived in-house from government-open port-State-control, flag, sanctions and our own vessel data; weight it by the coverage above.

Estimated

Capacity & Classification

Cargo capacity at draughtMedium confidence

~34,433t at summer draught

Bulker · summer draught 8.1 m · 42.1 t per cm immersion

Estimated intake by draught

5.67 m~24,204 t

6.07 m~25,909 t

6.48 m~27,614 t

6.89 m~29,319 t

7.29 m~31,023 t

7.69 m~32,728 t

8.1 m~34,433 t

Estimate only: modelled from deadweight (deadweight regression) using a first-principles hydrostatic model, not measured hydrostatic tables. The design draught it is anchored to is unreliable across the fleet.

Type classification

Declared

Bulker

→

Inferred from size

Bulker

density DWT/GT=1.41 is consistent with declared bulker

DWT/GT 1.41Beam/LOA 0.107Declared type: Self Discharging Bulk Carrier

Declared type is consistent with the class implied by the vessel’s size signals. Inferred via our shared size-based classifier.

Full compliance dossier

Commercial

Voyage Planning

Plan a voyage for this ship

Price it in the Route Planner between any two commercial ports: ballast and laden legs, two fuels at live bunker prices, port and canal costs, the weather on the way, and the TCE set against the market.

Segment: Dry bulk
Deadweight: 34,433 DWT
Speed: 12.5 kn
Fuel 1 at sea: 22 t/day

Typical Handysize speed and burn. Replace them with the ship's own figures in the planner.

Open in the Route Planner