FireSerious
Dec 20, 2025Rock Beach Point, MI, USA, Outside Provincial Boundaries
On 20 December 2025, the bulk carrier "ROBERT S. PIERSON", reported a fire in an accommodation's locker in Keweenaw Bay, MI, USA. The crew extinguished the fire, and the vessel was anchored in the bay. One crew member sustained a minor injury, and minor damage was found to the locker area and equipment.
GroundingSerious
Nov 26, 2025Windmill Point, MI, USA, Outside Provincial Boundaries
On 26 November 2025, the bulk carrier "ROBERT S. PIERSON" reported having drifted aground while anchored in the Detroit River off Detroit, MI, USA. The vessel was refloated by a US tug and towed to Windsor, ON.
Machinery FailureMinor
Aug 2, 2025Sault Ste. Marie, ON, Outside Provincial Boundaries
On 02 August 2025, the bulk carrier "ROBERT S. PIERSON" reported having sustained a propulsion problem while manoeuvring out of the Soo Locks near Sault Ste. Marie, ON. The vessel proceeded downbound to an anchorage where the crew resolved the problem and the vessel resumed its voyage.
Machinery FailureMinor
Apr 25, 2025Sault Ste. Marie, MI, USA, ONTARIO (ON)
On 25 April 2025, the bulk carrier "ROBERT S. PIERSON", reported having sustained a total loss of power while maneuvering at the approach of the MacArthur Lock downbound in the St. Mary's River near Sault Ste. Marie, MI, USA. The crew resolved the situation, and the ship continued its voyage.
Machinery FailureMinor
Oct 13, 2024Point Iroquois, MI, USA, Outside Provincial Boundaries
On 13 October 2024, the bulk carrier "ROBERT S. PIERSON" reported being disabled with a total failure of its steering system on Lake Superior off Whitefish Bay, MI, USA. The vessel was anchored to assess the issue. The crew lowered a workboat and found that the rudder was missing. The vessel was later towed to Superior, WI, USA for repairs.
GroundingModerate
May 24, 2024Little Point Sable, MI, USA, Outside Provincial Boundaries
On 24 May 2024, the bulk carrier "ROBERT S. PIERSON", with 18 people on board, reported having run aground on Lake Michigan off Muskegon, MI, USA. The vessel freed itself and was anchored for a damages assessment.
Machinery FailureMinor
May 19, 2024New London Point, MI, USA, Outside Provincial Boundaries
On 19 May 2024, the bulk carrier "ROBERT S. PIERSON" reported having sustained a total failure of its steering system on Lake Huron off Port Sanilac, MI, USA. The vessel proceeded to Calcite, MI, USA for repairs.
Striking/AllisionSerious
Oct 13, 2022Colborne, ONTARIO (ON)
On 13 October 2022, the self-unloading bulk carrier "ROBERT S. PIERSON" reported that it had struck the dock on Lake Ontario in Colborne, ON. The vessel proceeded on its intended voyage to Clarkson, ON to unload and conduct repairs.
Recorded marine occurrences naming this vessel.
