🇺🇸 N493MC - Boeing 747 47UF - Atlas Air GTI8433/5Y8433, Chicago O'Hare (ORD) to Austin-Bergstrom (AUS) - 6.5 mi away @ 40200 ft, heading SW at 526 mph. Spotted once before. [06:31:13 PM CDT] #A61C53 #N493MC #B744 #GIANT #GTI8433 #5Y8433 #ADSB #ADSBbot