AIR DATA COMPUTERS (ADC)
General
Dual air data computers provide independent,
yet redundant air data information. The two
digital ADCs, located in the nose section, are
physically and functionally isolated from each
other.
Under normal conditions, the ADCs provide
airspeed, maximum operating speed, altitude,
vertical speed and air temperature information
directly to the on-side IC/SG, which then
passes the data to the on-side EFIS and the
flight director (Figure 16-22). Should a fault
be detected in the displayed data, a switch on
the reversion panel (Figure 16-4) allows se-
lection of either ADC to provide air data to
both IC/SGs. A complete ADC failure is in-
LEARJET 45 PILOT TRAINING MANUAL
16-29
FOR TRAINING PURPOSES ONLY
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