(O) May be inoperative provided alternate temperature indicating system (True Air Temperature (TAT) or Static Air Temperature (SAT)) is operative and used.
Use the TAT/SAT indicator or the Air Data page in the FMS for Temperature indications.
10-8
Air Data Computer (ADC) Changeover/ Reversion Switches
Associated instruments are operative from independent sources, and
Inoperative switches are placarded Inoperative (‘INOP’) and not moved during flight.
Confirm the both ADC’s are providing information to their respective sides (not cross transferred) and in the event of an ADC failure, the pilot with the operating instruments will become the flying pilot. No attempt to cross-transfer data should be made.
1)
ADC Reversion Switch Lights (Honeywell)
C
6
0
(O) Switch backlight and annunciation, left and right, may be inoperative provided associated annunciation on the PFD is operative.
Confirm PFD annunciation each time affected switch is moved.
2)
ADC REV Transfer Switch Lights (Pro Line 21)
C
4
0
(O) Switch backlight and annunciation, left and right, may be inoperative provided associated annunciation on the PFD is operative.
Confirm PFD annunciation each time affected switch is moved.
