Blue Line Acrylic Paints optimised for brush BS381C:636, «PE Blue», used on SAAF Canberras and Buccaneers (lower part) Also in «diamond» pattern of Mirage F1 Also BS381C:636, used on lower surfaces of Gloster Meteor F.4/F.8 (with DG+DSG top surfaces) and F/RF-84F (in so-called «NATO scheme») Also BS381C:636, colour of lower surfaces of RAF fighters stationed in continental Europe in 1950s (with DG+DSG on upper surfaces)