The first of Class RAstar 2700 tug Cheradi was delivered to its owners, Rimorchiatori Napoli of Naples by the San Marco Shipyard of La Spezia, Italy in late September 2009. The adaptation of the RAstar hull form to this size of hull was a logical progression for the designers, Robert Allan Ltd. of Vancouver, Canada. As the originators of the "Compact Tug" concept, and as the developers of the RAstar hull form, the combination of the two was stimulated by the demands of this owner…