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

🇨🇦 C-GPRN - Gulfstream Aerospace G150 - Fast Air Ltd PBR155 - 3.6 mi away @ 13300 ft, heading SW at 321 mph. Spotted for first time! [12:32:33 PM CST] #C06E0C #C_GPRN #G150 #POLAR_BEAR #PBR155 #TakingOff #ADSB #ADSBbot