🇺🇸 N513FX - Bombardier Challenger 3500 - Flexjet LXJ513, St Louis Lambert (STL) to Boeing Field/King County (BFI) - 3.5 mi away @ 9125 ft, heading E at 288 mph. Spotted 2x before. [11:29:15 AM CDT] #A66D27 #N513FX #CL35 #FLEXJET #LXJ513 #Landing #Departure #ADSB #ADSBbot