NTSB reports on expensive American Mariner strike on navigational aid

A steering system failure led to the 730-foot bulk carrier American Mariner contacting a navigational aid in the St. Marys River near Sault Ste. Marie, Michigan, causing $1.25 million in damage to the light. Damage to the vessel was approximately $800,750.

The National Transportation Safety Board says that the 1980-built, U..S-flagged American Mariner, owned by American Steamship Company and operated by Grand River Navigation Inc., struck the Munuscong Channel Junction Light on March 28, 2024,...

https://www.marinelog.com/inland-coastal/inland/ntsb-reports-on-expensive-american-mariner-strike-on-navigational-aid/

NTSB reports on $600,000 Great Lakes bulk carrier grounding

Damaged Great Lakes bulk carrier ballast tanks

The National Transportation Safety Board has released its report on a January 7, 2023, incident in which the 715-foot long, 1980-built Great Lakes bulk carrier American Mariner grounded on shoals, damaging three ballast water tanks. No pollution or injuries were reported, but damage to the vessel was $600,000.

At about 07.34 local time on the day of the accident, the American Mariner, owned by American Steamship Company and operated by Grand River Navigation, had begun transiting outbound in the...

https://www.marinelog.com/legal/safety-and-security/ntsb-reports-on-600000-great-lakes-bulk-carrier-grounding/