avionics Flashcards
draw the avionics diagram
what is AHRS
Attitude
Heading
Reference
System
what does AHRS use
MEMS
what is MEMS stand for
Micro
Electro
Mechanical
System
what does MEMS replace
replaces the traditional mechanical gyros
what uses AHRS
attitude, heading indicator (compass), turn coordinator
how does MEMS work
they detect acceleration & thus aircraft movement in three axis
based on microscopically small vibrating structures packaged in similar to integrated circuits
the are able to provide digital &/or analog outputs
they contain several sensors for multiple axis.
used extensively in aviation and small personal devices like smartphones
instead of ten traditional whiskey compass, what does mga archers have
a modern magnetometer
where is the magnetometer located
left wing
what is a magnetometer
a device that measures magnetism and direction, strength or relative change of magnetic field at a particular location
how does a magnetometer work
it sense the earth’s magnetic field and sends data to the AHRS for processing to determine magnetic heading
how does the pitot/static system process info
the ADC (Air Data Computer)
what is ADC
Air
Data
Computer
how does the ADC work
it uses pitot & static pressure combined with total air temperature to calculate indicated & true airspeeds, outside air temperatures & vertical speed fe to autopilots, transponders & out EFIS
what instruments use the ADC
airspeed, vertical airspeed indicator and ALTIMETER
