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

🇨🇦 C-GBBB - Bombardier Challenger 604 - Chartright Air HRT556, Louisville Muhammad Ali (SDF) to Kitchener / Waterloo (YKF) - 5.1 mi away @ 37225 ft, heading SW at 444 mph. Spotted for first time! [09:14:39 AM CST] #C04768 #C_GBBB #CL60 #CHARTRIGHT #HRT556 #ADSB #ADSBbot