Four-seat R44 Raven I and Clipper I helicopters are high performing, reliableand easy to maintain. R44s have a two-bladed rotor system, T-bar cyclic andthe latest in Robinson technology including streamlined instrument panels and crashworthy fuel bladders. The R44’s aerodynamic fuselage optimizes airspeed and fuel economy. Hydraulic controls eliminate feedback forces and provide responsive handling. A low tail-rotor tip speed, newly designed mufflerand large cambered tail reduce flyover noise. Raven I and Clipper I helicopters are powered by Lycoming’s O-540 carbureted engine with carburetor heatassist that automatically adjusts carburetor heat enhancing safety and reducing pilot workload.