Specifications include, but are not limited to: 3.1.1 Single Engine 3.1.2 Gross/Max Weight (Internally Loaded): 3000 pounds (minimum) 3.1.3 Useful Load: 1600 pounds (minimum) 3.1.4 Main Rotor system: Fully Articulated System or soft in-plane, hinge less rigid rotor. 3.1.5 Main Rotor diameter: 35 feet (maximum) 3.1.6 Helicopter overall length: 42 feet (maximum) 3.1.7 Average Fuel Burn Rate: 45 gallons per hour (maximum) 3.1.8 Air Speed at Full Weight:113 Knots-Indicated Air Speed (KIAS) at Sea level at 15 degrees C (minimum) 3.1.9 Engine Inlet Barrier Filter: Required 3.1.10 Pilot Station (dual control): 2 3.1.11 Passengers: 2 (minimum) 3.1.12 Ground Clearance: 17 inches (minimum) measured from a flat, level, surface to the lowest point of the helicopter fuselage, antenna, or required equipment 3.1.13 Allowable lateral slope landing: 8 degrees (minimum) 3.1.14 Allowable landing nose up / nose down slope: 5 degrees (minimum)