Scale 1:48. Plan shows the shell expansion, as fitted of the Samson class tug Samson (1953). The yard number '741' is written on the drawing. This plan was originally for Samson and its sister ships Seagiant (1954) and Superman (1955), but it was subsequently edited for just Samson. A note states this drawing was approved by the Admiralty on 20 August 1951.