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 a cross transfer position and in the event of a symbol generator failure on either side, the Reversion Switches are not used to transfer data. However the symbol generator from the MFD may be switched over to the inoperative pilot station. The MFD will be inoperative if this is accomplished.
1)
SG 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.
Operations are not conducted into known or forecast Visual Flight Rules (VFR)-on-Top conditions.
a)
Glideslope/Localizer Indicator(s)
C
-
0
2)
Standby Altimeter(s) (Stand-Alone Unit)
B
-
0
May be inoperative provided airplane is operated in day VMC, only.
3)
Secondary Flight Display - (3-In-1 Color Graphic Standby Attitude, Altitude, and Airspeed Indicator) OR (4-In-1 Color Graphic Standby Attitude, Altitude, Heading and Airspeed Indicator) (Meggitt)
a)
Standby Attitude Display
C
1
0
May be inoperative provided not required by FAR.
B
1
0
May be inoperative provided:
Operations are conducted in day VMC, only, and
Operations are not conducted into known or forecast VFR-On-Top conditions.
