Learjet had previous success in this market, beginning with the introduction of the Learjet 23 in the early 1960s ... The upgraded Challenger 3500 upgraded the interior and added auto-throttles ...

The foundation is working to restore the Learjet 23-003, the first-ever business jet produced by Learjet in Wichita. It was in production for just two years, from 1964 to 1966. “About a year ago ...