Cessna has ruled out the addition of winglets to its Citation X high-speed business jet, after investigating the modification and concluding that there was not a sufficiently strong case for doing so. AIN had confirmed that the airframer had submitted an application with the FAA for certification of the winglets and that these were to have been fitted on production aircraft starting with S/N 222. But in Orlando, Fla., last month, a Cessna spokeswoman insisted that there are no plans to proceed with the development.
Winglets could have squeezed yet more speed out of the Mach 0.92 Citation X. They might also have created additional range for the super-midsize jet, which currently flies 3,390 nm at Mach 0.82 carrying full fuel.