The FAA STC approval, STC Number ST02036WI allows the installation of the Garmin G700TXi System in the Learjet Model 35/35A(C-21A)/36/36A airplanes with the FC-530/FC-535 autopilot. The replacement of the traditional "six pack" of flight instruments (airspeed indicator, altimeter, ADI (including VG), HSI (including DG), vertical speed indicator/RA and RMI) with the Garmin G700TXi flight display and associated attitude, heading and air data sensors significantly enhances situational awareness and operations ...