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

🇺🇸 N238SM - Cessna Citation Excel - Jet Linx Aviation N238SM - 5.2 mi away @ 43775 ft, heading NNW at 434 mph. Spotted once before. [05:55:52 PM CST] #A227D4 #N238SM #C56X #JET_LINX #N238SM #autopilot #ADSB #ADSBbot