Built 1943 by Richard Dunston Ltd., Thorne YN T384. Modified Maple Class standard tug. L94'. B21'4". D9'7". 138grt. 500ihp 3cylTE 149rpm coal fired engine by McKie and Baxter Ltd., Paisley. Prop 8'dia 8.33' pitch, 4 bladed + Kort nozzle. Coal cap 34 tons BP8.8 tons. Speed 11knots. Acquired 1947. Disposed 1968. Scrapped 1968. ON169091. Callsign MLSX.
30-9-1943 Completed for MoWT, Named Empire Percy and handed over to managers Steele and Bennie Ltd., Glasgow.
1947 Sold to PLA.
29-1-1948 Renamed Thorney.
11-1959 Converted to oil firing.
1968 Broken up by Scrappingco SA, Willebroek, Belgium.