Helicopters and Rocket launchers

Okay, since DICE gives no **bleep**s about issues on their own forums, figured I'd post here; what the HELL is wrong with the rocket launchers against Helis?

When I fire a RPG-7 into a attack chopper in the test range, instakill; in MP, Hilariously, MAYBE 50% damage, max. Same with the SMAW; instakill in test range, not so in MP. The SRAW on the other hand, despite supposidly being weaker than the RPG-7, can ALWAYS instakill. Even in MP, where people can somehow get the missile to hit me while I'm 150 meters away, going as fast as I can, and flying below the rooftops.