User blog comment:TheKnightOfOyashiro/BF3 expansions announced/@comment-137.30.248.193-20120311233028/@comment-28584497-20120312175726

As I recall, BF2 and BFV have the same helo controls. The rotor plane in BFV and BF2 (IIRC, not sure, I never really use helos in BF2) are represented by the mouse, where as the turning thing (can't recall what it's called ATM) was controlled via the A and D keys.

BF3's controls are basically that superimposed over a console controller.