Avionics
Columbia Avionics Earns EASA, TC STCs for GTN and GTX
The approvals for the Garmin GTN, GTX and GTS TCAS II units, cover a wide variety of Cessna Citation models.
The Columbia Avionics & Aircraft Services STC covers the installation of Garmin GTN navigators, GTX transponders and GTS TCAS II, in a wide range of Citation models, including the 560XL (shown).
The Columbia Avionics & Aircraft Services STC covers the installation of Garmin GTN navigators, GTX transponders and GTS TCAS II, in a wide range of Citation models, including the 560XL (shown).

Missouri-based Columbia Avionics & Aircraft Services has received EASA and Transport Canada STC approvals for installation of the Garmin GTN navigators, GTX transponders and GTS TCAS II in Cessna Citations. The STC covers the Garmin GTN 750/650, GDL 69/A satellite datalink, GMA 35c audio panel, GTX 3000 transponders and GTS 8000 TCAS II in the Citation 500/501/550/S550/560/650/Bravo/Encore/Ultra and 560XL.