 Weapon turrets were mounted at the nose and the middle of aircraft underbelly . The nose turret could rotate + / - 100 ° from the aircraft 's centerline and could mount either a 40 mm ( 1 @.@ 57 in ) grenade launcher , or a 7 @.@ 62 mm ( 0 @.@ 308 in ) minigun . The belly turret included a 30 mm ( 1 @.@ 18 in ) automatic cannon with 360 ° of rotation . Mechanical stops prevented the belly turret from aiming at any part of the helicopter . 
