Northern Airborne Technology NPX138 User Manual
Page 30
NPX138 Installation Approval Test Procedure
Rev. 1.10
Apr 19, 2004
Page 5 of 7
E NG-FORM: 634-0100.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
D.
Modulate the NPX138 transmitter on the following frequencies for at least 20
seconds. Look for any movement of flags or needles on the navigation display.
FREQUENCIES RESULTS
G/S #1
NPX138 PASS
FAIL
334.7 (108.1)
167.3500
FREQUENCIES RESULTS
G/S #2
NPX138 PASS
FAIL
334.7 (108.1)
167.3500
NOTES:
Note: For the following tests, select frequencies at the top, middle and bottom of the
range of the NPX138.
Frequency #1 ______________ Frequency #2 ______________
Frequency #3 ______________
E.
At a safe altitude, engage the autopilot or stability augmentation system.
Modulate the NPX138 transmitter on the above frequencies for at least 20
seconds. Observe any effect on the autopilot or stability augmentation system.
Observations: