An AHRS uses tiny sensors to measure acceleration, and a fast computer chip analyzes those forces and calculates airplane attitude. ... A remote flux detector measures the earth's magnetic field, and that magnetic information is applied to the track calculation to determine the compass heading we all see on the PFD.Jun 30, 2010
What does AHRS mean in aviation?
attitude and heading reference system
What instruments does the AHRS control?
An attitude and heading reference system (AHRS) consists of sensors on three axes that provide attitude information for aircraft, including roll, pitch and yaw.