
Efficiency OL was photographed from starboard on 30 July 2013. Her registered owner, Efficiency Ship Management Corporation, shared Shih Wei’s address and was a managed company, probably a name subsidiary. Rosanoski suggests that the changed lettering on an otherwise similar marking may relate to a 2012 charter to M.T. Maritime Management Group.
Do not equate Efficiency Ship Management with Shih Wei or infer OL meaning.