G1000/GFC 700 Post Installation Checkout Procedure – Hawker / Beechcraft King Air C90
Page 5-7
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Revision 5
5.3.4
AHRS Checkout
The aircraft can now be taxied back and the engine can be shut down for final testing. Restart both
displays in normal mode to conduct final system checks. When the PFDs power up in normal mode, the
AHRS attitude and heading information displayed should become valid within 1 minute of power-up, as
shown in Figure 5-3 (provided both GPS receivers have a valid position; if GPS is unavailable, AHRS
initialization may take as long as 2 minutes).
Figure 5-3. AHRS Information Valid
