I'm no mind reader but I think the intent was to consider aircraft that did not see their primary service in WW2.Well being that interwar is anything that first flew from 1919 to 1938, I gotta go with the following:
1. Bf 109
3. Dornier Do 24
4. Ju 88
I'm no mind reader but I think the intent was to consider aircraft that did not see their primary service in WW2.
For example, can we really consider the Nakajima Ki-43 Hayabusa, first flown in Jan 1939 or the Focke-Wulf Fw 190, first flown in June 1939 as interwar aircraft?
Yes, thank you, that was the intent. And with that intent in mind, early variants of aircraft, that, in later variants went on to be workhorses for the duration of the war, would qualify. For instance, the B-17B through D were interwar designs. An I know that all of these variants came out after 1939, but they came out before the US entered the war, so they are interwar variants. That's not just a technicality or me being US centric in my thinking, all these variants were inadequate to fight in WWII, even during the beginning of the war, as discovered by RAF Bomber Command with the C, and it wasn't until the US got into the war and got some experience that we started producing variants that were "up to snuff," so literally the early variants were obsolete interwar technology.I guess there could be varrying definition of interwar aircraft but my first thought when i read the thread title was aircraft that saw most of there service before ww2 even if they did see some small amount of service durring the early war years.
With that definition I'd say for me the Gloster Gladiator followed closely by the p36............... A5m honorable mention