G1000/GFC 700 Post Installation Checkout Procedure – Hawker / Beechcraft King Air C90
Page 6-1
190-00682-00
Revision 5
6
Final System Checkout
The final checkout tests exercise various secondary communications paths in the G1000 to ensure that
the desired backup paths are in place. Additional aircraft systems checks are also performed in this
section. Perform the following steps and verify the results of each test.
1. GPS Failure Test
Step Desired
Result
Single GPS Failure Conditions:
1. Place a shroud over the GPS antenna for
GIA 1 to prevent signal reception. Verify
loss of signal on MFD AUX page 4.
2. Remove shroud from the GIA 1 GPS
antenna.
3. Place a shroud over the GPS antenna for
GIA 2 to prevent signal reception. Verify
loss of signal on MFD AUX page 4.
4. Remove shroud from the GIA 2 GPS
antenna.
GPS Failure - For each of the specified GPS failure
conditions, the following shall remain valid on both
PFDs throughout the procedure:
•
Attitude and Heading from AHRS.
•
Airspeed, Altitude, Vertical Speed, and OAT from
Air Data Computer.
•
GPS CDI remains valid on PFDs.
Dual GPS Failure Conditions:
1. Cover both GPS antennas. Verify loss of
signal on MFD AUX page 4.
2. Remove shrouds from GPS antennas.
Dual GPS Failure - For a dual GPS failure, the
following shall occur:
•
GPS CDI flags INTEG on both PFDs.
•
Attitude and Heading remain valid from both
AHRS on both PFDs.
•
Airspeed, Altitude, Vertical Speed, and OAT
remain valid from both Air Data Computers on
both PFDs.
•
DR appears on MFD Map
