According to Cessna Citation Excel and XLS models equipped with Garmin G5000 integrated cockpit, business aviation operators and aircraft owners can now use the Future Air Navigation System (FANS-1/A+) and Aircraft Communications Addressing and Reporting System (ACARS) support, meaning the G5000 GulfstreamAviation ElectronicsThe equipment has been upgraded. Garmin's press release on March 16th. The Excel and XLS models with upgraded G5000 functionality will now be equipped with features for flying the North Atlantic Trajectory System (NATS), which has recently temporarily freed itself from the North Atlantic Data Link authorization rules that require FANS-1/A+avionics devices to operate between two flights. The International Civil Aviation Organization (ICAO) has removed FL290 and FL410 levels.

In addition, the southbound blue spruce route popular between FL290 and FL410 in Greenland will also require aircraft to meet NAT DLM requirements in order to fly within the parameters of the airspace, "Garmin said in a press release. In July 2019, Textron obtained supplementary type certification from the Federal Aviation Administration (FAA) for its first G5000 modification on Citation Excel and XLS jet aircraft. Last year, the company delivered a total of 13 Citation XLS aircraft without the latest reported Excel model deliveries. Annual shipment and invoicing report from the General Aviation Manufacturers Association (GAMA).

The G5000 integrated cockpit for Citation Excel and Citation XLS features three Garmin SafeTaxi airport maps with touchscreen controllers for horizontal display and georeferencing. Garmin stated that if the aircraft's boost pressure decreases, the autopilot will also activate the G5000 emergency descent mode. The G5000 has been upgraded to Citation Excel/XLS with other new features including synthetic visual, auditory, and visual cues designed to assist pilots with airport taxiing, and optional FANS over Iridium functionality provided through the embedded GSR 56 satellite connectivity system in the cockpit. By obtaining the Controller Pilot Data Link Communication Departure Permit (CPDLC-DCL), operators can participate in automatic DCL operations at over 60 of the busiest airports in the United States and automatically load departure permits into the G5000. Garmin has not yet announced other Cessna models equipped with the G5000 suite as a linear cockpit, including the Citation Sovereign, Latitude, and Longitude, all of which have new features in the Garmin version.