Mosquito FB Mk VI HP862 "3-O" of No 333 (Norwegian) Sqn/ B Flight based at RAF Leuchars in the spring of 1944 (A-flight flew Catalina's). It was painted in the "Special Coastal duties scheme A". The original factory applied green/grey scheme was simply overpainted with extra dark sea grey and sky on the under surfaces at sqn local maintenance units and most often all of the stencils and other decals were overpainted (the stencils are visible on the screenshots, but have now been removed).
B-Flight later become famous for its role as pathfinders or outriders as they were called for the Banff strike wing. A role the Norwegians were very well suited for as the Norwegian west coast was the main area of operation for the wing. The fighting against both German warships and merchant ships transporting German supplies along the Norwegian coast intensified towards the last months of the war facing stiff opposition from not only the ships themselves but also from the network of Luftwaffe bases along the coast with well equipped and rested units of JG5. The wing crippled the German sea transport route along the coast, but took heavy loses right up to the VE day. At some point the life expectancy of a Mosquito crew was just 6 missions from sources I have read.