Confirm associated instruments are operative from independent sources, and
Inoperative switches are placarded ‘INOP’ and not moved during flight.
Confirm the switch is not in the cross transfer position, and in the event of an AHRS failure the pilot with the operative instruments will be the flying pilot. No attempt should be made to cross transfer data.
1)
AHRS 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)
AHS 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.
20-5
***
Angle of Attack System (Series 1 thru 700)
C
-
0
***
Teledyne AOA System (BAe-125-800 & Hawker 800 Only)
