Coast Guard investigating fire on Boston Harbor tour boat

(BOSTON) — The U.S. Coast Guard convened a formal marine casualty investigation Monday into the fire that occurred aboard the small passenger vessel Spirit of Boston.

Rear Adm. John Mauger, Coast Guard First District commander, authorized the investigation pursuant to the authority contained in Title 46, United States Code, Section 6301 and the regulations promulgated thereunder. Cmdr. Mason Wilcox has been appointed as the lead investigator.

Smoke rises from Spirit of Boston as firefighters respond to the fire Friday at Commonwealth Pier in Boston. Boston Fire Department photo

Spirit of Boston is a 153-foot vessel with a capacity of 675 passengers and crew. The vessel caught fire on Friday evening while moored at Commonwealth Pier in Boston.  There were no passengers on board at the time, but the fire caused extensive damage to the vessel. The investigation will allow for a full understanding of the events that led up to the fire and provide a way forward to prevent future events.

File photo of the cruise vessel Spirit of Boston. Mark H. Anbinder photo

The Coast Guard has established an e-mail address for the public and interested parties to provide information, ask questions and make comments related to the ongoing investigation. This email will be live by April 1. It will be checked regularly and all correspondence will be acknowledged. The email address is

Upon completion of the investigation, the Coast Guard will issue a report of investigation with collected evidence, established facts and conclusions and recommendations regarding the marine casualty.

– U.S. Coast Guard

By Rich Miller