On board the type 81 general purpose frigate HMS Nubian (1960) alongside the South Arm in Rosyth Dockyard prior to 25 March 1973. The photographer is in the sonar control room between 41 and 43 stations on the starboard side of 1 deck looking forward and to port showing the senior man's chair on a raised platform. Against the port bulkhead are the control boxes to raise and lower the type 177 and type 170 sonar domes, a power supply box, a Plessey Sippican bathythermograph and a sonar console, Against the forward bulkhead are a fuse panel for the type 170B sonar, the main starter panel for the type 177 sonar, a cupboard for type 170 spares, a playback unit with tape stowage, an A/S 1072 teacher unit and a telephone handset and control box.