Certification - Garmin GPS 155XL Installation Manual

1.4 CERTIFICATION

The GNC 300XL/GPS 155XL is certified for IFR enroute, terminal, and non-precision approaches. The
GNC 300XL/GPS 155XL initial certification was accomplished via an STC by Garmin in a Piper PA32
aircraft. See Appendix C for a copy of the STCs.
All installations must be certified. For more information, see FAA Advisory Circular "Airworthiness
Approval of Global Positioning System (GPS) Navigation Equipment for use as a VFR and IFR
Supplemental Navigation System," Appendix 1. All new certifications after Garmin's Piper PA32
installation will be "Follow-On."
1.4.1 German Certification
For installations required to meet German regulation REG TP 321 ZV 034, Lowpass Filter (GPN 330-
00157-00) must be installed on the GNC 300XL COM RF connector, J4, instead of the GPS Notch Filter
(GPN 330-00067-00).
GPS 155XL/GNC 300XL Installation Manual Page 1-5
190-00067-22 Revision F