On October 29, 2007, the first of class Signet America, a new AZ-30/80 Class tug, was launched at J. M. Martinac Shipbuilders in Tacoma,Wash. The new tug is scheduled to be delivered to its owners, Signet Maritime Corporation of Houston in 2008. Signet America is the first of this new class of ship-handling/escort tug, and was developed by Robert Allan Ltd., Naval Architects of Vancouver, B.C., to suit the unique operational requirements of this owner and the physical restrictions (primarily a limiting draft of 17 ft.…