'Blueprints' Source: The Blueprints
Link: The-Blueprints.com - Frontpage
Selecting WW2 Airplanes/Vickers/Vickers 432 (England) (1942) yields:
Image source: The Blueprints
Terms: Sign up to The Blueprints is free.
They currently have 43.675 Blueprints online divided into categories [as shown in the first image above] Each one of these categories broken down into sub-categories (or even sub-sub categories)
Vector drawings can be requested/downloaded at a cost.
An example of the quality you can expect from the downloaded vector drawings:
Link: Ford Tourneo Connect LWB (2009)