Aspen Avionics Evolution EFD1000 VFR PFD - Frequent or Persistent CROSS CHECK ATTITUDE Annunciation; Difference Detected between the PFD and Mechanical Attitude Indicators

EFD1000 VFR PFD Pilot’s Guide
Page 6-6
091-00028-001 ( ) EFD1000 VFR PFD Pilot’s Guide
Page 6-7
091-00028-001 ( )
CHAPTER 6 EXPANDED EMERGENCY AND ABNORMAL PROCEDURES
6.2. Frequent or Persistent CROSS CHECK
ATTITUDE Annunciation
Refer to alternate attitude, airspeed, altitude, and heading sources for primary ight
information. Consider the following:
CROSS CHECK ATTITUDE
1. Reference standby mechanical attitude indicator.
2. Turn Pitot heat ON.
3. Consider exiting IMC.
4. Land as soon as practicable
For a detailed explanation of when and why the PFD may display a CROSS CHECK
ATTITUDE annunciation, either momentarily or persistently, see Chapter 4, Section 4.1.
Air Data, Attitude and Heading Reference System (ADAHRS).
6.3. Dierence Detected Between the PFD and
Mechanical Attitude Indicators
Once diagnosed, ensure the correct attitude source is the only one referenced during
the remainder of the ight.
Compare Alternate Sources of Available Attitude, Airspeed, and Attitude
1. Compare all available sources of attitude, airspeed, and attitude information
to diagnose a faulty indicator.
2. Consider exiting IMC.
3. Land as soon as practicable .