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

🇺🇸 N428YX - Embraer EMB-175 LR - American Eagle RPA9697/YX9697 - 4.3 mi away @ 36300 ft, heading WSW at 527 mph. Spotted 22x before! [08:39:31 PM CDT] #A51B93 #N428YX #E75L #BRICKYARD #RPA9697 #YX9697 #autopilot #ADSB #ADSBbot