On this page you will find a collection of useful videos on real helicopters and helicopter simulators. These videos are not from Digital Reality, they were found on other websites on the internet.
X-Plane flight simulator helicopters
https://www.youtube.com/watch?v=PAz9QbNOF4k
https://www.youtube.com/watch?v=ePcDqKTusk0
https://www.youtube.com/watch?v=SMhwXBJToyk
https://www.youtube.com/watch?v=u-YxxAUgsxg
https://www.youtube.com/watch?v=CtANcylnoEY&t=93s
Robinson R22 Helicopter Lesson (GoPro) this video has a lot of good info in it.