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

🇲🇽 XA-UOS - Swearingen Metro III - Aeronaves TSM VTM760, Laredo (LRD) to Central Il Regional/Bloomington-Normal (BMI) - 3.3 mi away @ 21575 ft, heading NE at 312 mph. Spotted for first time! [07:54:42 AM CST] #0D0B39 #XA_UOS #SW4 #AERONAVES_TSM #VTM760 #ADSB #ADSBbot