NBS C-RAM

Static AA turret inspired by the German MANTIS system

Drop it in a base, that's it 
It picks up helicopters flying in its zone and puts 35 mm airburst rounds on them
The fuze is computed per shot for where the target is going to be

It figures out on its own which faction owns it. Leave Owner Faction empty
and it takes the faction of the base it sits in, so it won't shoot your
own birds

It keeps firing as long as someone is flying the thing. Pilot dead but
co-pilot alive, still a target. Empty helo, it doesn't care. Main rotor
gone, it stops, the thing is going down anyway. Tail rotor doesn't count.
Works with modded helos, the main rotor is found by size and not by name
It also won't shoot through a hill

An alarm goes off a couple of seconds before the first burst. That one is
for the guys on the ground, not for the pilot

Made for dedicated servers CTI mode 

Placed in the World Editor only

What a mapper can touch :

Turret Active
Engagement Radius
Min Altitude
Max Altitude
Show Radius, draws the zone in the editor
Owner Faction, leave empty for auto
Engage Unknown Faction

The rest is hardcoded on purpose. Rate of fire, burst size and reaction
time are tuned, and letting people move them wrecks the sound and the
server

License is APL-ND, Arma Public License No Derivatives. You can use it and
share it as is, non commercial, with credit. No repack, no reupload, no
modified version, and the 3D model stays mine. Need a change or a variant?
Ask, I don't bite (depends)