Butler Avionics obtains FAA STC approval of Garmin GTN 750Xi/650Xi

July 27, 2021 - Butler Avionics obtains FAA STC approval of Garmin GTN 750Xi/650Xi Navigator Upgrades. The FAA amended STC ST02230SE to provide for the installation of the Xi Navigators in Learjets. “While the Xi versions are identical to the straight GTN for current functionality, the Xi versions allow for future capabilities. The GTN 750/750Xi provides significant enhancements to situational awareness while making convenient useful flight information and increasing systems reliability,” commented Gary Morris, Avionics Director.