Well tilt, as it is now the FE reports collisions if YOUR FE detects a collision.
From my experience, 100% of the times I hit an enemy plane from any angle but from MY behind, I die.
When enemy planes hit my 6, they die. Because their FE smashed their plane into mine, while my FE showed their plane at d20 or so.
Ive only been able to "force" an enemy to collide with me once. And that was a lancaster flying level while my plane zoomed up d30 from its nose at low speed.. the lanc "flew" into my plane and blew up, while I was unharmed. And it was damn hard to set it up, and that was with a lanc flying straight
This is also why people with high-speed connects almost always lose HO's
