ICAO: A517DC
Owner: REPUBLICAIRLINES
Flt: RPA4389 N427YX E75L BOS-CMH-#BOS
Time: 2026-03-13 13:43:17 EDT
Min Alt: 8225 ft
Min Dist: 0.99 nm (16deg NNE)
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ICAO: A517DC
Owner: REPUBLICAIRLINES
Flt: RPA4716 N427YX E75L IND-BOS
Time: 2026-03-08 09:29:06 EDT
Min Alt: 8800 ft
Min Dist: 0.99 nm (18deg NNE)
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ICAO: A517DC
Owner: REPUBLICAIRLINES
Flt: RPA4716 N427YX E75L IND-BOS
Time: 2026-03-04 08:40:51 EST
Min Alt: 8975 ft
Min Dist: 0.99 nm (22deg NNE)
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ICAO: A517DC
Owner: REPUBLICAIRLINES
Flt: RPA4368 N427YX E75L IND-BOS
Time: 2026-02-20 14:11:36 EST
Min Alt: 9225 ft
Min Dist: 1 nm (27deg NNE)
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ICAO: A517DC
Owner: REPUBLICAIRLINES
Flt: RPA4761 N427YX E75L LGA-RDU-#LGA
Time: 2026-02-19 16:04:41 EST
Min Alt: 9100 ft
Min Dist: 0.99 nm (18deg NNE)
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ICAO: A517DC
Owner: REPUBLICAIRLINES
Flt: RPA4585 N427YX E75L BOS-IND
Time: 2026-02-09 17:56:19 EST
Min Alt: 4975 ft
Min Dist: 1.54 nm (90deg E)
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ICAO: A517DC
Owner: REPUBLICAIRLINES
Flt: RPA4585 N427YX E75L BOS-IND
Time: 2026-02-09 17:56:00 EST
Min Alt: 4050 ft
Min Dist: 0.02 mi (-130deg SW)
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ICAO: A517DC
Owner: REPUBLICAIRLINES
Flt: RPA4389 N427YX E75L BOS-CMH-#BOS
Time: 2026-02-06 13:49:14 EST
Min Alt: 8875 ft
Min Dist: 1 nm (25deg NNE)
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ICAO: A517DC
Owner: REPUBLICAIRLINES
Flt: RPA4641 N427YX E75L BOS-CMH-#BOS
Time: 2026-02-05 21:50:21 EST
Min Alt: 9125 ft
Min Dist: 1.01 nm (28deg NNE)
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4727 N427YX E75L BOS-LGA
Time: 2026-01-28 20:40:04 EST
Min Alt: 4700 ft
Min Dist: 0.4 mi (-114° WSW)
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4582 N427YX E75L ORD-BOS
Time: 2026-01-28 16:51:01 EST
Min Alt: 11925 ft
Min Dist: 0.99 nm (17° NNE)
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Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N427YX - Embraer EMB-175 LR - American Eagle RPA4704/YX4704 (ORD-SAT-ORD) - 4.3 mi away @ 32025 ft, heading SSW at 514 mph. Spotted 26x before. [10:52:21 AM CST] #A517DC #N427YX #E75L #BRICKYARD #RPA4704 #YX4704 #autopilot #ADSB #ADSBbot
ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4727 N427YX E75L ORD-CHA-ORD (?)
Time: 2025-12-31 09:50:24 EST
Min Alt: 9150 ft
Min Dist: 3.5 nm (-26° NNW)
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4809 N427YX E75L ORD-BOS
Time: 2025-12-16 15:07:56 EST
Min Alt: 6475 ft
Min Dist: 2.8 nm (67° ENE)
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4650 N427YX E75L ORD-BOS
Time: 2025-12-15 23:29:37 EST
Min Alt: 8950 ft
Min Dist: 1.1 nm (47° NE)
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Planefence ICAO: A517DC
Flt: RPA4392 REPUBLICAIRLINES DCA - LGA
First seen: 2025-12-08 17:38:26 EST
Min Alt: 2625 ft MSL
Min Dist: 0.2 mi
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4801 N427YX E75L BOS-LGA
Time: 2025-12-08 16:11:41 EST
Min Alt: 8875 ft
Min Dist: 0.99 nm (26° NNE)
Loudness: 1 dB
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4801 N427YX E75L BOS-LGA
Time: 2025-12-08 10:55:55 EST
Min Alt: 14400 ft
Min Dist: 1.9 nm (131° SE)
Loudness: 0 dB
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4642 N427YX E75L CMH-BOS
Time: 2025-12-08 09:26:13 EST
Min Alt: 9000 ft
Min Dist: 0.99 nm (20° NNE)
Loudness: -1 dB
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4801 N427YX E75L BOS-LGA
Time: 2025-12-05 14:42:26 EST
Min Alt: 7450 ft
Min Dist: 1.9 nm (26° NNE)
Loudness: 0 dB
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4801 N427YX E75L BOS-LGA
Time: 2025-12-05 09:15:25 EST
Min Alt: 13750 ft
Min Dist: 1.2 nm (90° E)
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4569 N427YX E75L IND-BOS
Time: 2025-12-02 17:36:59 EST
Min Alt: 9325 ft
Min Dist: 1.1 nm (49° NE)
Loudness: 0 dB
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA9939 N427YX E75L
Time: 2025-11-29 12:28:26 EST
Min Alt: 17025 ft
Min Dist: 1.3 nm (108° ESE)
Loudness: 0 dB
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4606 N427YX E75L ORD-BOS
Time: 2025-11-29 11:03:22 EST
Min Alt: 8925 ft
Min Dist: 0.99 nm (22° NNE)
Loudness: 0 dB
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4716 N427YX E75L IND-BOS
Time: 2025-11-28 09:54:59 EST
Min Alt: 8700 ft
Min Dist: 0.99 nm (21° NNE)
Loudness: 0 dB
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4642 N427YX E75L CMH-BOS
Time: 2025-10-13 08:53:25 EDT
Min Alt: 8925 ft
Min Dist: 0.7 km (70° ENE)
Loudness: 1 dB
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4733 N427YX E75L BOS-CMH-BOS
Time: 2025-10-12 19:57:12 EDT
Min Alt: 8950 ft
Min Dist: 1.01 km (30° NNE)
Loudness: -1 dB
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4733 N427YX E75L BOS-CMH-BOS
Time: 2025-10-12 19:57:12 EDT
Min Alt: 8950 ft
Min Dist: 1.01 km (30° NNE)
Loudness: -1 dB
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ICAO: A517DC
Owner: REPUBLIC AIRLINES
Flt: RPA4733 N427YX E75L BOS-CMH-BOS
Time: 2025-10-12 19:57:12 EDT
Min Alt: 8950 ft
Min Dist: 1.01 km (30° NNE)
Loudness: -1 dB
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