Scale 1:144. An ozatrace copy of a plan showing the incident board for all decks for the Tribal class frigate Gukha (1960). This panel 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 was drawn by N. Clark [Draughtsman at Rosyth Dockyard flourishing 1970].