Step 1: Flat Black base coat

Step Two: Xtracrylix's RAF Interior Grey Green, not quite completely covering the black. Note that some of the detail parts have been painted here too

Step 3: An oil wash will highlight interior structures. It looks extreme now, but...

will tone down a bit once dry. It will look even milder under a flat coat.

Cockpit parts are test fitted to ensure that they do now foul with the wing or fuselage.