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

🇹🇷 TC-JJY - Boeing 777 3F2ER - Turkish Airlines THY5KM/TK5KM, Istanbul (IST) to George Bush Intcntl/Houston (IAH) - 4.6 mi away @ 36850 ft, heading SSW at 574 mph. Spotted 4x before! [05:18:46 PM CST] #4BA959 #TC_JJY #B77W #TURKISH #THY5KM #TK5KM #ADSB #ADSBbot