 In RN service the ship displaced 3 @,@ 888 long tons ( 3 @,@ 950 t ) , was 387 feet ( 118 @.@ 0 m ) long overall , and had a draught of 16 feet ( 4 @.@ 9 m ) . Ben @-@ my @-@ Chree 's turbines generated 14 @,@ 500 shaft horsepower ( 10 @,@ 800 kW ) and she was credited with a speed of 24 @.@ 5 knots ( 45 @.@ 4 km / h ; 28 @.@ 2 mph ) although that speed was exceeded in service . The ship could carry 502 long tons ( 510 t ) of coal . Her crew consisted of approximately 250 officers and enlisted men . 
