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

🇱🇺 LX-MCL - Boeing 747 4HAERF - Cargolux Airlines International CLX21J/CV21J (LUX-ORD-DFW-LUX) - 4.8 mi away @ 37600 ft, heading SW at 553 mph. Spotted once before! [03:34:02 PM CDT] #4D012F #LX_MCL #B744 #CARGOLUX #CLX21J #CV21J #ADSB #ADSBbot

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

🇱🇺 LX-OCV - Boeing 747 4R7F - Cargolux Airlines International CLX21J/CV21J - 4.3 mi away @ 36050 ft, heading SW at 556 mph. Spotted for first time! [03:25:49 PM CDT] #4D0140 #LX_OCV #B744 #CARGOLUX #CLX21J #CV21J #ADSB #ADSBbot