de Havilland Dominie, AKA "Dragon Rapide" ?
No, not the Rapide. But keep trying; and here's a new clue to assist your search. Thanks; Ernie P.
What warbird do I describe?
Clues:
1. This aircraft was one of the most important of its time.
2. It was named for the base from which it first operated.
3. It was also the last of its type.
4. It was definitely a “different bird”.
5. It had a rather unusual configuration; although one that had been used before.
6. The pilot sat high up, more than fifteen feet from the ground.
7. It had a fixed undercarriage.
8. The fuselage utilized a partial aluminum monocoque design.
9. The wings were metal frame.
10. Both the fuselage and wings were fabric covered.
11. This aircraft was in active service well into WWII.
12. Twin engine.
13. Operational range less than 1,000 miles.
14. It was withdrawn from front line service in 1939, but continued to be used in other roles well into WWII.
15. Visibility was considered to be very good.