🇺🇸 N539FX - BOMBARDIER BD-100 Challenger 350 - M VALADE LLC, 1BD LLC, BRAZEAL MARK, PALMER JAMES F, BARRONKENT MANAGEMENT LLC, ANDGRAM AIR PARTNERS LLC LXJ539 (MKE-DAL) - 5.8 mi away @ 47375 ft, heading SW at 493 mph. Spotted 5x before. [09:03:43 AM CDT]
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Map of the St. Louis area showing the position and track of the aircraft described in the post.