I agree, Most of the written accounts refer to gaining Height before crossing the lines. Even then ( as pointed out ) the Huns ( because of better machines } were above and out numbered them picking where and when to fight. as the saying goes " Beware of the Hun in the Sun " A good Oral reference is the Interview by C.A. Lewis on U Tube about his Air Patrols in a SE 5A. Link is below.


https://youtu.be/9QSaDmuVKLs