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

🇺🇸 N541BA - Bombardier Challenger 650 - Boeing Executive Flight Operations RDN644 - 4.1 mi away @ 8450 ft, heading ESE at 328 mph. Spotted 19x before! [04:36:00 PM CDT] #A6DBBD #N541BA #CL60 #RED_BARN #RDN644 #Landing #ADSB #ADSBbot