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

🇹🇷 TC-LLD - Boeing 787 9 - Turkish Airlines THY6891/TK6891 - 5.3 mi away @ 42500 ft, heading SW at 520 mph. Spotted 18x before! [11:42:17 AM CDT] #4BB184 #TC_LLD #B789 #TURKISH #THY6891 #TK6891 #autopilot #ADSB #ADSBbot