The 120- by 34-foot Polar King, a Robin-class tug built at McDermott Shipyard in 1974, is being overhauled by Alaska Marine Lines. According to Kris Mullan, port engineer for Alaska Marine Lines, who said the project kicked off in April, around eight similar tugs were built at the yard, four of which are owned by Alaska Marine Lines.
“After almost 50 years of operating, it was decided to retire three of the four tugs,” said Mullan. “This Spring,...
https://www.marinelog.com/news/alaska-marine-lines-overhauls-retired-tugboat/