And also another whose pilot used power and rudder
Early CGI, actually. A model may have been used to help create the video, but what we're watching is a combination of live action and CGI.It's a model aircraft, the clip was used for advertising of some product in Germany I think it was. Details here
Similarly as a Tiger Moth pilot I can say that video is not real either, a model, engine sound and two stroke smoke are a dead give away.
In the section on how he died, it is said his cargo plane (which appears to be a reworked He-111) crashed into a mountain in Madrid in 1977.