BendixKing KFD 840 - Manual (Page 91)

Honeywell Bendix/King KFD 840 Primary Flight Display
KFD 840 PG PN 7450-0840-01 Emergency Operations
Rev E Oct 15, 2010 11-1
© Honeywell International Inc. Do not copy without express permission of Honeywell
11. EMERGENCY
OPERATIONS
The following failure modes can be detected by the KFD 840 and will
be displayed on the screen with a large red
X or red failure message
in the appropriate area of the screen:
• ADC Failure (Air Data Computer)
• “
ATTITUDE FAILURE ” AHRS Failure (Attitude Heading
Reference System)
• “
HDG FAIL ” CRM Failure (Compass Remote
Magnetometer), Heading Failure
Figure 11-1: Failure Modes
ADC (AIR DATA COMPUTER) FAILURE
The KFD 840 will display an ADC (Air Data Computer) failure by
displaying red
X ’s over the airspeed, altitude and vertical speed
information.
The pilot must fly using the standby instruments when the air data
has failed.