Products & Services | SHIP DESIGN >38m Twin Screw Towing Tug 38m Twin Screw Towing Tug CLASS : + A1 (E) "OFFSHORE SUPPORT & TOWING SERVICES VESSEL + AMS COMPLEMENT : 18 MEN GRT : 375. = DWT : SPEED : 10.5 KNOTS BOLLARD PULL : 40.0 TONNES