Bell 47/H-13 Helicopter addon

This addon provides the Bell 47 / H-13 helicopter in several versions for BIS sides/factions. Versions are based on research of real-world Bell 47 configurations. Guns eject spent shell cases on armed models! Fully functional gauges. Different camo schemes for factions:
- MH-13 Medevac model (the M*A*S*H helicopter). Unarmed, medic pilot, 3 passenger seats (1 in cockpit + 2 stretcher seats)
- UH-13 Transport model: pilot grenades, M60 door gun, Seats for transport of 3 or 4 (3 passenger + 1 d...