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

🇺🇸 N126CZ - Embraer EMB-120 ER - Air Charter Express FRG515 - 3.5 mi away @ 28225 ft, heading NE at 334 mph. Spotted 3x before! [04:39:23 PM CDT] #A06A46 #N126CZ #E120 #FRG515 #ADSB #ADSBbot