Westbound world speed record-seeker Bill Harrelson safely landed his modified Lancair IV at California’s Ontario International Airport December 15 at 11:21 p.m. Pacific time after completing a grueling earthrounding flight to unofficially shatter Max Conrad’s 58-year-old weight-class aviation record with 19 hours, 28 minutes to spare.
Source: aopaHarrelson posts unofficial world speed record