Cessna Aircraft plans to enter into an exclusive agreement with Connecticut-based Guardian Jet to market the Citation X Elite. Under the Elite program, legacy Citation Xs go through a complete refurbishment and systems update at the Textron Aviation Service Center in Wichita. Elite package upgrades to the Citation X include a new Honeywell Primus Elite avionics suite, aileron regearing to enhance lateral control efficiency, new exterior paint, refurbished interior, new cabin management system and monitors and optional enhanced connectivity for Internet and global voice service. The Elite package also offers guaranteed rates for ProParts and ProTech maintenance programs for five years or 1,500 flight hours.