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

🇺🇸 N584CK - BEECH 58 - Airnet Ii USC108 - 3.1 mi away @ 4200 ft, heading ENE at 141 mph. Spotted 3x before! [05:04:27 AM CDT] #A78500 #N584CK #BE58 #STAR_CHECK #USC108 #autopilot #Landing #ADSB #ADSBbot