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

🇺🇸 N1221S - Swearingen Merlin IIB - MCDONALD JAKE V N1221S - 7.8 mi away @ 14800 ft, heading SE at 308 mph. Spotted 4x before. [01:22:44 PM CDT] #A05DAC #N1221S #SW2 #N1221S #Landing #ADSB #ADSBbot

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

🇺🇸 N1221S - Swearingen Merlin IIB - MCDONALD JAKE V N1221S - 3.3 mi away @ 14425 ft, heading SE at 293 mph. Spotted 3x before! [08:54:46 AM CST] #A05DAC #N1221S #SW2 #N1221S #Landing #ADSB #ADSBbot

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

🇺🇸 N1221S - Swearingen Merlin IIB - MCDONALD JAKE V N1221S - 14.6 mi away @ 15500 ft, heading SE at 254 mph. Spotted 2x before! [09:46:03 AM CDT] #A05DAC #N1221S #SW2 #N1221S #ADSB #ADSBbot

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

🇺🇸 N1221S - Swearingen Merlin IIB - MCDONALD JAKE V N1221S - 3.3 mi away @ 17975 ft, heading SE at 234 mph. Spotted once before! [11:36:08 AM CDT] #A05DAC #N1221S #SW2 #N1221S #ADSB #ADSBbot

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

🇺🇸 N1221S - Swearingen Merlin IIB - MCDONALD JAKE V N1221S - 3.5 mi away @ 16950 ft, heading SE at 266 mph. Spotted for first time! [11:05:09 AM CST] #A05DAC #N1221S #SW2 #N1221S #ADSB #ADSBbot