System Maintenance Manual

G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air Page 7-25
190-00682-01 Revision G
7.6.2 Static Port Vertical Speed (Rate of Climb) Test
1. Command ADTS to change the altitude at the rates shown in the table below.
2. Wait for ADTS to report that target rates have been achieved.
3. Verify that the Rate of Climb reported by the Vertical Speed field on PFD1 and PFD2 are within
the tolerances specified in Table 7-2:
Table 7-2. Vertical Speed Table
Vertical Speed, feet/minute Allowed tolerance, ±feet/minute
6000 100
2000 100
1000 50
500 45
200 45
0 N/A (No VS Display)
-200 45
-500 45
-1000 50
-2000 100
-6000 100
7.6.3 OAT Probe Check
Ensure on-side sensors for PFD1 and PFD2. Ensure the outside air temperature (OAT) probes and a
calibrated thermometer stabilize at ambient temperature. Verify that the OAT measurement shown on
PFD1 and PFD2, in degrees Celsius, indicate within 2 °C of the ambient temperature as measured by the
calibrated thermometer.
If no other service is to be performed, continue to the return-to-service checks in Section 8.