A preliminary chronology developed by the Air Force of events surrounding the crash Monday of a Learjet who passengers included professional golfer Payne Stewart. Material in quotations is verbatim from the chronology.
All times are Eastern.
F-16 from Eglin Air Force Base, Fla., was airborne on routine mission when diverted to provide the initial escort. Responsibility for escorting plane is transferred from Southeast Air Defense sector to Western Air Defense sector. Escort fighter from Eglin heads to Scott Air Force Base, Ill., for refueling. Fargo fighters intercept Learjet. 1 p.m. F-16s report that Learjet's windows are fogged with ice. ''No flight control movement noted.