Airplane Flight Manual Supplement

Hawker Beechcraft C90A and C90GT King Air 190-00682-02 Rev. C
Page 36 of 95
Reference Guide for additional information.
1. Refer to STANDBY ATTITUDE indicator to determine which AHRS is providing the most accurate
data.
2. Use SENSOR softkey to select the most accurate AHRS on the affected PFD.
ROLL MISCOMPARE
This message is displayed when the G1000 detects a difference between the pilot’s and copilot’s
roll attitude (displayed in the upper right of the PFD). Refer to GARMIN G1000 Cockpit Reference
Guide for additional information.
1. Refer to STANDBY ATTITUDE indicator to determine which AHRS is providing the most accurate
data.
2. Use SENSOR softkey to select the most accurate AHRS on the affected PFD.
HEADING MISCOMPARE
This message is displayed when the G1000 detects a difference between the pilot’s and copilot’s
heading information (displayed in the upper right of the PFD). Refer to GARMIN G1000 Cockpit
Reference Guide for additional information.
1. WSHLD ANTI-ICE Switches (PILOT and COPILOT) .................................................................OFF
2. CABIN TEMP MODE selector.....................................................................................................OFF
3. ELEC HEAT ................................................................................................................................OFF
4. Refer to Magnetic Compass to determine which AHRS is providing the most accurate heading
information.
5. Use SENSOR softkey to select the most accurate AHRS on the affected PFD.
6. WSHLD ANTI-ICE Switches ..................................................................................... AS REQUIRED
7. CABIN TEMP MODE ................................................................................................... AS DESIRED
8. ELEC HEAT .............................................................................................................. AS REQUIRED
NOTE
The magnetic compass is affected by windshield anti-ice, air conditioner, and electric heat.
These items must be turned OFF prior to referencing magnetic compass heading, and then
may be reselected ON. With windshield anti-ice OFF, windshield may form fog or frost on
the inside surface. The windshield anti-ice should be turned off only long enough to reference
magnetic compass or the pilot should descend to a warmer altitude if terrain, fuel, and
endurance permit.
Display Unit Failure
PFD FAILURE
PFD failure is indicated by a complete loss of image on a display. The pilot should use the cross