Textron Aviation is upgrading the flight decks of its Citation CJ4, CJ3 and M2 business jets. Announcing the changes during the recent NBAA-BACE show in Las Vegas, the manufacturer explained that the CJ4 Gen 3 model will be equipped with Garmin’s latest G3000 Prime avionics suite, while the G3000 suites in the Gen3 versions of the CJ3 and M2 will get Garmin's Autoland technology, as will the CJ4 Gen3.