ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4663 N423YX E75L BOS-CVG-#BOS
Time: 2026-04-02 16:32:34 EDT
Min Alt: 9250 ft
Min Dist: 3.9 nm (-40deg NW)
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ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4756 N423YX E75L ORD-BOS
Time: 2026-04-02 10:35:32 EDT
Min Alt: 8575 ft
Min Dist: 0.98 nm (24deg NNE)
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ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4358 N423YX E75L ORD-BOS-#ORD
Time: 2026-03-31 09:11:02 EDT
Min Alt: 8650 ft
Min Dist: 0.97 nm (21deg NNE)
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ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4415 N423YX E75L BOS-STL-#BOS
Time: 2026-03-26 14:58:55 EDT
Min Alt: 9250 ft
Min Dist: 0.99 nm (21deg NNE)
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ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4379 N423YX E75L BOS-PHL
Time: 2026-03-14 17:26:13 EDT
Min Alt: 4225 ft
Min Dist: 0.3 mi (115deg ESE)
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ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4493 N423YX E75L STL-BOS
Time: 2026-03-02 14:58:45 EST
Min Alt: 7650 ft
Min Dist: 0.99 nm (23deg NNE)
Squawk: 2157
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ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4500 N423YX E75L BOS-STL
Time: 2026-03-02 09:29:17 EST
Min Alt: 11450 ft
Min Dist: 1.2 nm (88deg E)
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ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4600 N423YX E75L ROC-BOS
Time: 2026-03-02 07:52:11 EST
Min Alt: 8575 ft
Min Dist: 1 nm (25deg NNE)
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ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4401 N423YX E75L BOS-ROC
Time: 2026-03-01 21:36:59 EST
Min Alt: 10900 ft
Min Dist: 4.3 nm (160deg SSE)
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ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4401 N423YX E75L BOS-ROC
Time: 2026-03-01 21:35:07 EST
Min Alt: 4250 ft
Min Dist: 0.03 mi (19deg NNE)
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ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4401 N423YX E75L BOS-ROC
Time: 2026-03-01 21:35:22 EST
Min Alt: 5000 ft
Min Dist: 1.98 nm (81deg E)
airplanes flightaware faa
ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4642 N423YX E75L CMH-BOS
Time: 2026-02-20 09:16:20 EST
Min Alt: 9125 ft
Min Dist: 0.99 nm (26deg NNE)
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ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4470 N423YX E75L BOS-LGA
Time: 2026-02-05 13:44:03 EST
Min Alt: 3875 ft
Min Dist: 0.2 mi (-113deg WSW)
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ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4470 N423YX E75L BOS-LGA
Time: 2026-02-05 13:44:26 EST
Min Alt: 4750 ft
Min Dist: 1.6 nm (102deg ESE)
airplanes flightaware faa
ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4786 N423YX E75L BOS-SDF-#BOS
Time: 2026-02-05 12:36:36 EST
Min Alt: 9200 ft
Min Dist: 0.98 nm (18deg NNE)
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ICAO: A50900
Owner: REPUBLICAIRLINES
Flt: RPA4650 N423YX E75L ORD-BOS
Time: 2026-02-03 03:11:38 EST
Min Alt: 9825 ft
Min Dist: 1.4 nm (-8deg N)
Squawk: 1302
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ICAO: A50900
Owner: REPUBLIC AIRLINES
Flt: RPA4728 N423YX E75L DCA-PWM-DCA
Time: 2026-01-30 19:55:18 EST
Min Alt: 30000 ft
Min Dist: 1.7 nm (140° SE)
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Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N423YX - Embraer EMB-175 LR - American Eagle RPA4667/YX4667 (ORD-TUL-ORD) - 3.9 mi away @ 32300 ft, heading WSW at 373 mph. Spotted 23x before. [04:19:54 PM CST] #A50900 #N423YX #E75L #BRICKYARD #RPA4667 #YX4667 #autopilot #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N423YX - Embraer EMB-175 LR - American Eagle RPA4656/YX4656, Bill And Hillary Clinton Ntl/Adams Field (LIT) to Laguardia (LGA) - 3.9 mi away @ 33050 ft, heading NE at 461 mph. Spotted 22x before. [08:40:31 AM CST] #A50900 #N423YX #E75L #BRICKYARD #RPA4656 #YX4656 #autopilot #ADSB #ADSBbot
ICAO: A50900
Owner: REPUBLIC AIRLINES
Flt: RPA4389 N423YX E75L BOS-CMH-BOS
Time: 2025-12-11 14:59:20 EST
Min Alt: 9275 ft
Min Dist: 1.8 nm (6° N)
Loudness: 0 dB
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ICAO: A50900
Owner: REPUBLIC AIRLINES
Flt: RPA4642 N423YX E75L CMH-BOS
Time: 2025-12-11 09:31:44 EST
Min Alt: 10050 ft
Min Dist: 2.86 nm (-36° NW)
Loudness: 0 dB
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ICAO: A50900
Owner: REPUBLIC AIRLINES
Flt: RPA4385 N423YX E75L PHL-CHS-PHL (?)
Time: 2025-12-05 16:25:48 EST
Min Alt: 8600 ft
Min Dist: 0.99 nm (18° NNE)
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.
🇺🇸 N423YX - Embraer EMB-175 LR - American Eagle RPA4608/YX4608, Memphis (MEM) to Chicago O'Hare (ORD) - 4.3 mi away @ 32150 ft, heading N at 538 mph. Spotted 21x before! [10:20:08 AM CST] #A50900 #N423YX #E75L #BRICKYARD #RPA4608 #YX4608 #autopilot #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N423YX - Embraer EMB-175 LR - American Eagle RPA4695/YX4695, Northwest Arkansas Ntl (XNA) to Laguardia (LGA) - 3.5 mi away @ 28600 ft, heading ENE at 570 mph. Spotted 20x before! [06:44:32 AM CST] #A50900 #N423YX #E75L #BRICKYARD #RPA4695 #YX4695 #autopilot #ADSB #ADSBbot
