the auxiliary ship is 50 metres (164 ft 1 in) long, weighs 930 tonnes and has a capacity to carry 500 tonnes of water. the barge is powered by two caterpillar engines with a total output of 1,800 bhp and has a top speed of 12 knots (22 km/h; 14 mph). "ambuda" has accommodation for 20 crew members and a galley or corridor kitchen facility. it has tank gauging systems, fire fighting equipment and carries a rigid inflatable boat. it has sea-going capability and carries all essential communication and navigation equipment.