Model 560XL Section III – Operating Procedures
Abnormal Procedures
190-02313-03 Rev. 8 Textron Aviation Citation 560XL
FAA Approved 3-39
HEADING MISCOMPARE
HDG Annunciator displayed
This message is displayed on both PFDs when the G5000 detects a difference of greater than 6°
between the pilot’s and copilot’s heading.
1. Refer to the standby flight Display to determine which AHRS is providing the most accurate
heading information.
2. PFD Softkeys: Sensors – ATT/HDG Settings – SELECT the most accurate AHRS on the affected
PFD.
WARNING
The on-board weather radar system prioritizes AHRS 1 heading over AHRS 2. The radar returns
depicted on any Navigation Maps may be incorrectly oriented with reference to ground features if
a heading error is generated by AHRS 1. The crew should refer to the Weather Radar Map to
obtain more accurate weather radar information.
TCAS uses AHRS 1 heading only. TCAS traffic depicted on the Navigation Map may be
incorrectly oriented with reference to ground features if a heading error is generated by AHRS 1.
The crew should refer to the Traffic Map to obtain more accurate traffic information.
Procedure completed
HEADING NO COMPARE
HDG Annunciator displayed
This message is displayed on both PFDs when the G5000 cannot compare heading data between
primary heading sources (ATT/HDG 1 and ATT/HDG 2).
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