npc_apache
npc_apache
is a point entity available in Black Mesa.
They are the M1 Boeing AH-64 Apache helicopters used by the HECU. They are seen in open outdoor areas, especially in Surface Tension and "Forget About Freeman!". The player usually uses a RPG to destroy them.
Note:Some keyvalues, flags, inputs, or outputs might not affect an NPC, based on the functionality and coding of the NPC.
Also see: npc_osprey