Vicinity model or no vicinity model, a six year old child could look at the map of the new SAR locations and tell you it was seriously imbalanced. Where once the North Sea coast was covered by the likes of Manston, Coltishall, Leconfield, Leuchars and Boulmer, according to the vicinity model these lighting quick new aircraft can now cover the whole lot from Humberside. Do be serious DfT.