Hm, 19 out of 20 kills for me is wing shot off/tail shot off or something similar like that.
Then I upped with a 30mm cannon in my nose. I was very surprised when the plane suddenly did not only go down, but UP as well. KABLOOM.
Depends what you're hit by, I'd say.
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StSanta
JG54 "Grünherz"
"If you died a stones throw from your wingie; you did no wrong". - Hangtime