An engine room fire aboard a towing vessel was caused by overpressurization of the fuel day tank and a main engine fuel return system when a fatigued chief engineer inadvertently left the day tank overflow valves to the storage tanks closed, the National Transportation Safety Board says in a report released Wednesday.
On May 18, 2021, at about 6.53 p.m. local time, the 1957-built towing vessel Mary Lynn, operated by Hermann Sand and Gravel on lease from Missouri River Towing, was pushing two...
https://www.marinelog.com/inland-coastal/inland/ntsb-reports-on-700000-fire-on-64-year-old-tow-boat/