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

🇹🇷 TC-LJL - Boeing 777 F - Turkish Airlines THY6557/TK6557, Istanbul (IST) to Chicago O'Hare (ORD) - 5.1 mi away @ 42075 ft, heading SW at 499 mph. Spotted for first time! [01:06:32 AM CDT] #4BB14C #TC_LJL #B77L #TURKISH #THY6557 #TK6557 #ADSB #ADSBbot