Garmin Ltd. has announced that it has received Supplemental Type Certification $(STC)$ from the Federal Aviation Administration (FAA) for its complete avionics modernization program for the Cessna Citation CJ1. This certification allows Garmin to offer an all-Garmin integrated solution for the popular light jet, replacing the original flight deck with advanced avionics systems. The retrofit includes TXi™ flight displays, GTN™ Xi navigators, and the GFC™ 600 digital autopilot, along with several optional upgrades. This modernization aims to enhance safety, reduce pilot workload, and provide new capabilities for the aircraft. The full retrofit solution is available through the Garmin Authorized Dealer network.