[Jack Hydrazine]

You could launch a rocket at it carrying a wire cable so the cable will tangle in the main or tail rotors.

[AdamBomb]

"You could launch a rocket at it carrying a wire cable so the cable will tangle in the main or tail rotors. "

we almost need a separate thread on how to bring down taco-copters.

[AdamBomb]

"You could launch a rocket at it carrying a wire cable so the cable will tangle in the main or tail rotors."

another proven technique is to throw chopsticks up in the air - the chopsticks will also tangle quite nicely with the rotors. Although the chopper has to be flying low in order to pull this off.