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

🇺🇸 N543BA - Bombardier Challenger 650 - Boeing Executive Flight Operations RDN858 - 3.4 mi away @ 4725 ft, heading NW at 229 mph. Spotted 15x before. [02:03:15 PM CST] #A6E32B #N543BA #CL60 #RED_BARN #RDN858 #Landing #ADSB #ADSBbot