Evening clue. Thanks; Ernie P.
What warbird do I describe?
Clues:
1. This aircraft was in service before the war started.
2. And it served throughout the war.
3. Although its mission did, in part, change.
4. It was a biplane.
5. Wooden frame and fabric covering.
6. Fixed landing gear.
7. The propeller was fixed pitch, two blade.
8. Produced by a familiar name, although the company had not produced aircraft for a while.