Erlanger has upgraded from the BH206 to the BH407. The BH407 provides enhanced aircraft performance. It is a single engine aircraft which provides 674 shaft horsepower for extra power and lifting capability. It has a slightly larger cabin area and a four bladed rotor system that provides an added safety feature in turbulent weather. It has a range of approximately 260 nm. It features an upgraded avionics package with enhanced synthetic vision with the Chelton Flight System, to decrease pilot workload. It features a state of the art Terrain Avoidance system and moving map display. The aircraft is fully equipped for Night Vision Device usage and all crews are current on this equipment.