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AIR DATA SYSTEM (ADS)
The ADS includes dual micro air data computers (MADCs).
NOTE:
The system is backed up by standby altimeters and airspeed
indicators that are driven directly from the standby pitot–static
system.
The MADC is a microprocessor–based digital computer that performs
digital computations and supplies digital readouts. Its functions include:
D
Receiving pitot–static pressures and total air temperature inputs for
computing the standard air data functions
D
Outputing data (altimeter, baro set, Mach/airspeed displays, and
vertical speed) through the IAC for display on the PFDs
D
Outputing data for the transponder, flight data recorder, flight
director, and autopilot as well as other elements of the flight control
system
D
Selecting and displaying the altitude reference for the altitude
alerting and preselect functions for display on the MFD.
R
PRIMUS
660/880 WEATHER RADAR SYSTEM
NOTE:
The PRIMUS
common, but with several subtle enhancements on the 880.
The main difference in the cockpit is the Weather Radar
Controller.
R
The PRIMUS
Systems both comprise the following units:
D
Receiver transmitter antenna (RTA)
D
Weather radar controller.
A28–1146–134
REV 1 Jan/03
R
660 and PRIMUS
660 and optional PRIMUS
R
PRIMUS
1000 Integrated Avionics System
R
880 have much in
R
880 Weather Radar
System Description
2-7
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Troubleshooting
