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MV Roger Blough

motor ship · built 1972

IMO7222138No AIS position on record

In short

MV Roger Blough (motor ship) has no AIS position on record with Voydar. Managing owner (USCG): GREAT LAKES FLEET INC (source: US Coast Guard — Merchant Vessels of the United States (documented vessels)).

Vessel type
motor ship
Flag
—
Year built
1972
Gross tonnage
22,041
Size (length × beam)
277 m
Managing owner (USCG)
GREAT LAKES FLEET INC

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Photo of MV Roger Blough
Photo: U.S. Army Corps of Engineers Detroit District · Licence: Public domain · via Wikimedia Commons

Last reported position

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

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Identity & particulars

Name
MV Roger Blough
IMO numberWhat is an IMO number?
7222138
Flag
—
Vessel type
motor ship
Gross tonnageGross tonnage vs deadweight
22,041
Length overall
277 m
Beam
—
Year built
1972

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)
GREAT LAKES FLEET 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. The managing owner is the company the Coast Guard has on record for the ship's certificate of documentation.
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.

DateEventSource
Reported departure from ConneautAuthority-reportedUSACE foreign traffic vessel entrances & clearances
Reported arrival at DULUTH-SUPERIOR HARBOR, MN AND WIAuthority-reportedUSACE foreign traffic vessel entrances & clearances
Reported departure from ConneautAuthority-reportedUSACE 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.

Incidents & investigations Authority-reported

Accident and incident reports by national investigation boards, and casualty warnings, that concern this ship. Each links to the original.

  • Occurred Feb 1, 2021ACC · Cargo, Dry BulkNTSB marine investigations (CAROL)Sturgeon Bay, WI, USA

    Roger Blough, Sturgeon Bay, WI, USA (NTSB DCA21FM015)Report published Sep 1, 2022

    The National Transportation Safety Board determines that the probable cause of the engine room fire aboard the bulk carrier Roger Blough was likely the repeated removal and reinstallation of the furnace’s burner that led to the failure of its mounting coupling, resulting in the operating burner dropping to the bottom of its enclosure and fracturing its fuel supply line, which allowed diesel fuel t

  • Occurred May 27, 2016ACC · Cargo, Dry BulkNTSB marine investigations (CAROL)Gros Cap Reef, Sault Ste. Marie, MI, USA

    Roger Blough, Gros Cap Reef, Sault Ste. Marie, MI, USA (NTSB DCA16FM040)Report published Jul 6, 2017

    The National Transportation Safety Board determines that the probable cause of the grounding of the lake freighter Roger Blough was the second mate’s failure to use all navigational resources to determine the ship’s position as it approached shallow water near Gros Cap Reefs. Contributing to the accident was inadequate monitoring of the vessel by Vessel Traffic Service (VTS) St. Marys River.

Source: NTSB marine investigations (CAROL). Courtesy: National Transportation Safety Board. Licence: US Government work (17 U.S.C. §105), public domain.

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

PortRecordDate (UTC)BerthSource
Conneaut USCDYDepartureMay 26, 2013(date only)—USACE foreign traffic vessel entrances & clearances
DULUTH-SUPERIOR HARBOR, MN AND WIArrivalMay 14, 2013(date only)—USACE foreign traffic vessel entrances & clearances
Conneaut USCDYDepartureMay 9, 2013(date only)—USACE foreign traffic vessel entrances & clearances
TWO HARBORS (AGATE BAY), MNArrivalMay 6, 2013(date only)—USACE foreign traffic vessel entrances & clearances
Conneaut USCDYDepartureMay 3, 2013(date only)—USACE foreign traffic vessel entrances & clearances
TWO HARBORS (AGATE BAY), MNArrivalApr 30, 2013(date only)—USACE foreign traffic vessel entrances & clearances
Conneaut USCDYDepartureApr 27, 2013(date only)—USACE foreign traffic vessel entrances & clearances
Conneaut USCDYDepartureApr 22, 2012(date only)—USACE foreign traffic vessel entrances & clearances
TWO HARBORS (AGATE BAY), MNArrivalApr 18, 2012(date only)—USACE foreign traffic vessel entrances & clearances
Conneaut USCDYDepartureApr 16, 2012(date only)—USACE foreign traffic vessel entrances & clearances
DULUTH-SUPERIOR HARBOR, MN AND WIArrivalAug 27, 2011(date only)—USACE foreign traffic vessel entrances & clearances
Conneaut USCDYDepartureAug 23, 2011(date only)—USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: September 14, 2007.

About MV Roger Blough

MV Roger Blough is a lake freighter built in 1972 by American Ship Building Company in Lorain, Ohio. She serves as a lake freighter on the Great Lakes. The ship is owned by Great Lakes Fleet, Inc. and is named for the former chairman of U.S. Steel, Roger Blough.

Summary from Wikipedia, licensed CC BY-SA.

Frequently asked questions

Where is MV Roger Blough now?
Voydar has no displayable AIS position for MV Roger Blough in this profile. A coverage gap does not establish whether the ship is transmitting or where it is now.
What kind of ship is MV Roger Blough?
MV Roger Blough is a motor ship, built in 1972 by American Ship Building Company. The vessel is 277 m long and has a gross tonnage of 22,041.
Who is recorded as the owner or manager of MV Roger Blough?
GREAT LAKES FLEET INC is recorded as Managing owner (USCG) for MV Roger Blough (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 MV Roger Blough?
Voydar has no matched sanctions record displayed for MV Roger Blough 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 MV Roger Blough. Missing records do not establish whether the ship has been detained.

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