Costa Diadema is a Dream-class cruise ship owned by Carnival Corporation and operated by Costa Crociere. The ship was ordered in October 2012 and was delivered to Costa on 25 October 2014.[3] At her time of delivery, Costa Diadema was the largest vessel to fly an Italian flag and was Costa's largest vessel at the time; she was formerly Costa Crociere's flagship being replaced by the Costa Toscana in 2022.[4]
Design and engineering
Costa Diadema's 11 kV electrical generation system is provided from six generators, six aft/bow thruster electrical motors, HV main switchboard and distribution transformers, propulsion transformers, synchro drives, and motors from General Electric.[5][6]