When do we get a BoB Spitfire Mk.Ia?

[reflected]

Sorry if I missed something, I've been away from this game for a while, but..

when do we get a Spitfire that flew during the BoB?

I mean flying a MkII is just as unrealistic as flying a MkI with a 2 pitch propellor in July/August/September scenarios.

As far as I see we still don't have that machine. A Spitfire MkIa, with +12 boost, 100 octane fuel, constant speed prop.