Eastern Shipbuilding Group Inc., Panama City, Fla., delivered the 100’x40’x16’4″, 6,772-hp escort/rescue Z-drive tug Ava M. McAllister to McAllister Towing and Transportation Co., New York, on May 31, 2019. The new tug design is provided by Jensen Maritime Consultants and was issued a USCG Sub-M Certificate of Inspection (COI). The vessel arrived at Eastern in 2018.
Designed by Jensen Maritime Consultants, Seattle, the Ava M. McAllister is a sistership to the Rosemary McAllister (ESG Hull #224)...
https://www.workboat.com/news/shipbuilding/eastern-delivers-third-escort-tug-mcallister/