Each helicopter upgrade modifies how the battle is conducted, making it easier to adjust to your playing style.
Ways to upgrade helicopter armament:
Machine guns - slightly enhance the main characteristics and change the ratio of secondary
Rockets - slightly enhance the main characteristics and change the ratio of secondary
Missiles - slightly enhance the main characteristics and change the ratio of secondary
Ways to upgrade helicopter characteristics:
Engine - changes the ratio of speed and maneuverability of helicopters, alters its design
Armor - changes the ratio of health and resistance to various types of weapons
Visual enhancements of helicopters:
There are at least five helicopter skins that change the appearance of the helicopter without affecting the characteristics of the helicopter in combat