Scale 1:144. A dyeline copy of a plan showing the incident board on No. 03, 02 and 01 [superstructure] decks, as fitted modernisation drawing for the depot ship Forth (1938). This board would be on the wall and would light up if an incident (such as fire, flooding or a injury) was reported in a specific location on board. This drawing is noted as Sheet 1 of 3 and was drawn by S. Adams [Draughtsman at Chatham Dockyard flourishing 1966].