Adept-class tractor tug: Built 1980 - 85. Adept (A224), Bustler (A225),Capable (A226), Careful (A227), Forceful (A221),Nimble (A222), Powerful (A223), Faithful (A228), Dexterous (A231).
Length 38.785m, 105' 2" Beam 9.41m, 30' 10" Draught 4.2m max, 13' 9" GRT 375 Speed 12.2 knots Engines Diesel, Ruston 6 RKCM x 2 BMP 2640 Propulsion Twin Voith Schneider Units Bollard Pull 29.63 tons Range 1500 miles @ 10 knots.