All main British Warplanes would be in feet. The odd bods taken into RAF service during the war would have altimeters in the system used by their parent countries.
I was in the RAF in the late 70s to mid 80s and flew in both the Nimrod and P3. Both were good at what they were designed for but the Nimrod came out overall tops.
something that I posted on WW2talk.com
“That, then, was the Me 262, variously known as the Schwalbe and the Strumvogel. But whatever the appellation, it was in my view unquestionably the foremost warplane of its day: a hard hitter which outperformed anything that we immediately available….”...
"wellington,"
There is a restored wellington, but the important thing is; who is going to fly them! You will need both aircrew and ground crew as well.