Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N409GB - Gulfstream Aerospace GVII-G500 - Green Bay Packaging Inc N409GB - 5.5 mi away @ 45650 ft, heading NNE at 591 mph. Spotted once before. [03:20:28 PM CDT] #A4CEA8 #N409GB #GA5C #N409GB #autopilot #ADSB #ADSBbot