A worker has died following an industrial accident aboard a docked tugboat in Ludington, Michigan. According to the Ludington Police Department, the incident occurred on March 2, 2026 while maintenance work was being performed on the vessel’s carbon dioxide fire suppression system.
Emergency crews responded around 11:27 a.m. to Interlake Logistics Solutions, Inc., after reports of a medical emergency aboard the tugboat Undaunted, which was docked in Mason County for the winter. According to authorities, the worker—identified as Mark Allen—was performing maintenance on the tugboat’s CO₂ fire suppression system when the system unexpectedly discharged.
Employees at the facility immediately began first aid and attempted life-saving measures until emergency responders arrived. Allen was transported to Corewell Health Ludington Hospital, where he was later pronounced dead.
The tugboat Undaunted is owned by Interlake Logistics Solutions and is part of the Interlake Steamship Company fleet that operates cargo vessels throughout the Great Lakes. Authorities continue to investigate the circumstances surrounding the incident.
CO₂ Fire Suppression Systems Can Be Extremely Dangerous
Carbon dioxide fire suppression systems are commonly installed aboard vessels to quickly extinguish engine room or machinery space fires. When activated, these systems release large volumes of CO₂ gas into enclosed spaces to displace oxygen and smother flames.
While effective for firefighting, these systems can become extremely hazardous if discharged while workers are present. CO₂ discharges can rapidly reduce oxygen levels to the point where individuals may lose consciousness within seconds.
Workers performing maintenance on these systems must follow strict safety procedures designed to prevent accidental activation. Failure to properly isolate or secure the system during maintenance can create deadly conditions.
In maritime environments, safety protocols often require lockout procedures, warning systems, and confirmation that no personnel remain in protected spaces before the system can discharge.
Maintenance Work and Industrial Safety Risks
Maintenance operations aboard vessels frequently involve complex systems that require strict adherence to safety procedures. When those safeguards fail, the results can be catastrophic.
Investigators examining the Ludington incident may evaluate whether appropriate lockout/tagout procedures were followed before the fire suppression system was serviced. These procedures are designed to ensure that equipment cannot be accidentally energized or activated while workers are performing repairs.
Investigators may also review whether the vessel’s safety systems, alarms, and control panels functioned properly during the maintenance work.
In serious maritime incidents, authorities frequently review:
- Maintenance procedures used during the work
- Safety protocols and lockout systems
- Training provided to workers performing the maintenance
- Vessel maintenance records and prior service history
- Witness statements from crew members and contractors
Determining whether proper safeguards were followed can play a key role in understanding what led to the deadly discharge.
Maritime Worker Safety and Vessel Owner Responsibilities
Workers performing maintenance aboard vessels—including contractors and shipyard personnel—face significant hazards. Vessel owners and operators have responsibilities to maintain safe conditions aboard their ships and equipment.
When hazardous systems are serviced or inspected, procedures must be in place to prevent accidental activation that could endanger workers.
Failures involving vessel systems or unsafe maintenance conditions may raise questions about whether the vessel was reasonably safe for the work being performed. In maritime cases, such failures can sometimes lead to claims involving unseaworthiness.
In other situations, maritime workers injured while performing duties aboard a vessel may have rights under laws such as the Jones Act Claim, which allows certain maritime workers to pursue claims when negligence contributes to an injury or death.
Understanding what safety measures were in place aboard the tugboat Undaunted will likely be an important part of the ongoing investigation.
Investigations Following Fatal Maritime Accidents
Fatal maritime accidents are typically investigated by multiple agencies. Authorities may review the equipment involved, the conditions under which the work was being performed, and whether safety protocols were followed.
Investigators often rely on several types of information when reconstructing incidents at sea or aboard docked vessels, including maintenance logs, equipment records, and witness testimony from workers present during the incident.
Investigators may also review any available documentation, incident reports, and safety records to determine what occurred and whether the accident could have been prevented. These records can become critical forms of evidence in cases involving fatal workplace incidents.
Legal Rights After Fatal Maritime Accidents
When a worker dies in a maritime incident, surviving family members may have the right to pursue legal claims seeking compensation for their losses.
These cases may involve a wrongful death claim brought on behalf of surviving family members. Such claims may seek recovery for financial losses, emotional suffering, and the loss of support and companionship.
In some cases, the law also allows a survival claim to be pursued. These claims allow a decedent’s estate to seek damages related to the injuries and suffering the individual experienced prior to death.
Fatal maritime accidents may also raise questions about negligence, unsafe equipment, or other contributing factors. In some cases, multiple parties—including vessel operators, maintenance contractors, or equipment manufacturers—may share responsibility.
Contact Spagnoletti Law Firm
Fatal maritime accidents can leave families facing overwhelming grief, financial uncertainty, and unanswered questions about what went wrong. Understanding the legal rights available after a workplace death is an important step toward protecting your family and seeking accountability.
Spagnoletti Law Firm represents families affected by serious maritime accidents and workplace fatalities. Our maritime injury lawyers investigate vessel incidents, industrial accidents, and other dangerous conditions that can lead to catastrophic harm on the water.
If your family has lost a loved one in a maritime or workplace accident, call 713-804-9306 or contact us online to discuss your situation with our legal team. We are available to review the facts of your case and explain your legal options during a confidential consultation.
Our firm handles cases on a contingency fee basis, meaning you do not pay legal fees unless compensation is recovered on your behalf.

