AHRS Flashcards
What does AHRS stand for?
Attitude and Heading Reference System
What technology has replaced free-spinning gyros in electronic flight displays?
Solid-state laser systems
What does the AHRS provide to the Primary Flight Display (PFD)?
Attitude information
What information does the AHRS use to generate heading display?
Information from a magnetometer
What do magnetometers sense to provide heading information?
Earth’s lines of magnetic flux
What type of cockpit do aircraft with AHRS typically have?
Digital ‘glass cockpits’ with a PFD
What type of systems do typical older aircraft use?
Gyro-based systems
Do different instances of the same aircraft model always have AHRS?
No, it depends on the specific avionics suite installed
Fill in the blank: The AHRS is a little box which sends _______ information to the PFD.
attitude
True or False: Newer and more expensive aircraft are more likely to have glass cockpit systems with AHRS.
True
