Bell Helicopter 141852-3122 Attitude Heading Reference Unit, Repaired, Exchange

This unit combines the functions of several traditional instruments, including a vertical gyro, stabilized compass, and 3-rate gyros. The Attitude and Heading Reference System (AHRS) delivers essential data such as pitch angle, roll angle, magnetic heading, and angular rates around the aircraft axes to cockpit displays and flight control systems. Utilizing solid-state or MEMS (Microelectromechanical Systems) technology, this AHRU offers more accurate and reliable data compared to traditional mechanical gyroscopic instruments, ensuring optimal performance and safety during flight operations.