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

🇺🇸 N770YX - Embraer EMB-175 LR - United Express RPA3628/YX3628, Frederick W Smith (MEM) to Chicago O'Hare (ORD) - 3.5 mi away @ 29425 ft, heading NNE at 528 mph. Spotted 4x before. [07:26:53 PM CDT] #AA6B43 #N770YX #E75L #BRICKYARD #RPA3628 #YX3628 #autopilot #ADSB #ADSBbot

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

🇺🇸 N770YX - Embraer EMB-175 LR - United Express RPA3318/YX3318, Memphis (MEM) to St Louis Lambert (STL) - 3.6 mi away @ 2800 ft, heading NNE at 257 mph. Spotted 3x before. [09:52:43 PM CST] #AA6B43 #N770YX #E75L #BRICKYARD #RPA3318 #YX3318 #autopilot #Landing #Arrival #ADSB #ADSBbot

ICAO: AA6B43
Owner: REPUBLIC AIRLINES
Flt: RPA3427 N770YX E75L EWR-YHZ
Time: 2025-10-13 23:40:26 EDT
Min Alt: 31000 ft
Min Dist: 2.3 km (-31° NNW)
Loudness: 0 dB
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

ICAO: AA6B43
Owner: REPUBLIC AIRLINES
Flt: RPA3624 N770YX E75L PWM-IAD
Time: 2025-10-09 15:42:45 EDT
Min Alt: 29700 ft
Min Dist: 5.1 km (-38° NW)
Loudness: 0 dB
dev adsb planefence by kx1t -•sdr-e•airplanes•flightaware•faa

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

🇺🇸 N770YX - Embraer EMB-175 LR - United Express RPA3719/YX3719, Newark Liberty (EWR) to St Louis Lambert (STL) - 3.7 mi away @ 5025 ft, heading NNW at 235 mph. Spotted 2x before! [03:34:30 PM CDT] #AA6B43 #N770YX #E75L #BRICKYARD #RPA3719 #YX3719 #autopilot #Landing #Arrival #ADSB #ADSBbot