This video shows an dogfight against two expertlevel AI P51D Mustang aircrafts.
The instructions narrate important points the pilot should be aware of.

It concentrates on tactics and principies, how the aircraft should be placed in space and not on how guns work or where the engine temperature instrument is located at.
The tutorial assumes basic knownledge about air combat tactics, and a good understanding of the P51D.

Before this tutorial will help any, you need to master flying the Mustang otherwise you won't be able to stay focused on the enemy and think about the next step.