Rolls-Royce Holdings
The ships have been designed by Rolls-Royce Holdings and have the type number UT 517. The vessels are 94 meters long, with a displacement of 3300 tons and maximum draught of 4.5 meters. The vessels are designed to attain speed of 20.5 knots. They have an endurance of 6500 nautical miles at economical speed and can stay at sea for 20 days. The ships are manned by 10 officers and 100 sailors specialized in various streams.