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

🇺🇸 N478PC - PIPER AIRCRAFT INC PA-28-181 - Saint Louis University BKN78 - 3.1 mi away @ 1875 ft, heading NE at 128 mph. Spotted 2x before! [09:44:54 PM CDT] #A5E01A #N478PC #P28A #BILLIKEN #BKN78 #ADSB #ADSBbot