G1000 Nav III Line Maintenance Manual
Page 4-33
190-00352-00
Rev.
L
4.5.4
GDC Testing
NOTE
Allow the unit to warm up for 15 minutes before performing the following tests.
Verification of the altimeter and airspeed must be performed using an air data test set (ADTS). The static port
and altimeter must be verified in accordance with Title 14 of the Code of Federal Regulations (CFR) § 91.411 and
Part 43 Appendix E. The PFD must be in Configuration mode and the MFD must be in Reversionary mode for
performing the tests as outlined in Part 43 Appendix E.
To prepare the G1000 System for Part 43 Appendix E testing:
1.
Start the G1000 system in normal mode.
2.
Remove power to the PFD.
3.
Turn the PFD on in Configuration mode by pressing and holding the ENT key on the PFD while applying
power.
4.
Release the ENT key after “INITIALIZING SYSTEM” appears in the upper left corner of the PFD.
CAUTION
Configuration mode contains certain pages and settings that are critical to aircraft operation and
safety. These pages are protected and cannot be modified, unless the technician is properly
authorized and equipped. However, most protected pages are viewable to allow system
awareness for troubleshooting.
5.
Using the FMS knob on the PFD turn to the GRS page group. Use the B ALT field for all CFR Part 43
Appendix E tests for G1000 altitude.
6.
Place the MFD in Reversionary mode by pressing the red “display backup” button on the GMA 1347
Audio Panel. Baro settings can then be read from the MFD for the CFR Part 43 Appendix E tests.
After completing the tests specified by § 91.411 and Part 43 Appendix E, return both the MFD and PFD to normal
mode.
NOTE
The following tests are above and beyond the requirements set forth in Appendix E, and are
required only when Appendix E tests are required.
4.5.4.1
Pitot/Static Airspeed Test
1.
Command air data test set (ADTS) to simulate air speeds shown in the table below.
2.
Wait for ADTS to report that target values have been achieved.
3.
Verify that computed air speeds shown on the PFD are within the tolerances specified in the table below:
Calibrated air speed,
knots
Allowed tolerance, ±knots
50 5.0
80 3.5
100 2.0
120 2.0
150 2.0
Summary of Contents for G1000 NAV III
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