Garmin Diamond DA40, Maintenance Manual

Page: 118 / 156

Page 7-24 G1000/DA40 System Maintenance Manual
Revision 6 190-00303-03
The following tests are above and beyond the requirements set forth in Appendix E.
Pitot/Static Airspeed Test
1.
Command the pitot/static ramp tester
to simulate air speeds shown in the table below.
2. Wait for
the ramp tester
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
Static Port Vertical Speed (Rate of Climb) Test
1. Command ramp tester to change the altitude at the rates shown in the table below.
2. Wait for ramp tester to report that target rates have been achieved.
3. Verify that the Rate of Climb reported by the Vertical Speed field on the PFD is within the tolerances
specified in the table below:
Vertical Speed, feet/minute Allowed tolerance, ±feet/minute
2000 100
0 45
-2000 100
OAT Probe Check
Check the outside air temperature (OAT) measurement shown on the PFD to ensure it reads ambient
temperature.
If no other service is to be performed, continue to the return-to-service checks in Section 8.
NOTE