Avionics System

Question 1

What is MAU

Answer 1

Modular Avionics Unit

Center controlling computer
-2 channels for redundancy

Question 2

What is ADAHRS?

Answer 2

Air data, attitude & heading reference system

Gathers info from pitot/static pressure and sensors and sends to MAU

• 2 channels system with its own sensor

Question 3

What is ASCB

Answer 3

Avionics Standard Communication Buss

Main communication between MAU and aircraft systems

• 2 busses for redundancy

Question 4

AGM

Answer 4

Avionics Graphics Module

• received info from MAU and converts into graphics for the display units
• 2 AGMs each controlling 1 set of display units

Question 5

How does the Apex system work?

Answer 5

Pitot static system send info to ADAHRS
ADAHRS calibrates data and airspeed
Sends info to MAU
MAU sends info to AGM
AGM converts code to graphics on the displays