ICAO: A506D5
Owner: ALASKAAIRLINES
Flt: ASA460 N423AS B739 SEA-BOS
Time: 2026-02-19 23:37:53 EST
Min Alt: 8225 ft
Min Dist: 1.01 nm (29deg NNE)
dev adsb planefence by kx1t - sdr-e airplanes flightaware faa
ICAO: A506D5
Owner: ALASKAAIRLINES
Flt: ASA306 N423AS B739 SEA-BOS-#SEA
Time: 2026-02-03 15:46:25 EST
Min Alt: 9350 ft
Min Dist: 0.99 nm (24deg NNE)
dev adsb planefence by kx1t - sdr-e airplanes flightaware faa
ICAO: A506D5
Owner: ALASKA AIRLINES
Flt: ASA259 N423AS B739 SAN-BOS
Time: 2025-10-14 06:07:03 EDT
Min Alt: 9400 ft
Min Dist: 0.9 km (43° NE)
Loudness: 7 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.
🇺🇸 N423AS - Boeing 737NG 990ER/W - Alaska Airlines ASA473/AS473, St Louis Lambert (STL) to Seattle-Tacoma (SEA) - 3.4 mi away @ 11850 ft, heading WNW at 419 mph. Spotted 4x before! [06:24:21 AM CDT] #A506D5 #N423AS #B739 #ALASKA #ASA473 #AS473 #Landing #Departure #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N423AS - Boeing 737NG 990ER/W - Alaska Airlines ASA383/AS383, Nashville (BNA) to Seattle-Tacoma (SEA) - 4.2 mi away @ 34950 ft, heading WNW at 545 mph. Spotted 3x before! [08:44:01 AM CDT] #A506D5 #N423AS #B739 #ALASKA #ASA383 #AS383 #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N423AS - Boeing 737NG 990ER/W - Alaska Airlines ASA1479/AS1479, Licenciado Gustavo Diaz Ordaz (PVR) to St Louis Lambert (STL) - 3.2 mi away @ 7825 ft, heading E at 307 mph. Spotted 2x before! [06:08:40 PM CST] #A506D5 #N423AS #B739 #ALASKA #ASA1479 #AS1479 #Landing #Arrival #ADSB #ADSBbot
Map of the St. Louis area showing the position and track of the aircraft described in the post.
🇺🇸 N423AS - Boeing 737NG 990ER/W - Alaska Airlines ASA473/AS473, St Louis Lambert (STL) to Seattle-Tacoma (SEA) - 3.4 mi away @ 13100 ft, heading NW at 405 mph. Spotted for first time! [07:17:27 AM CST] #A506D5 #N423AS #B739 #ALASKA #ASA473 #AS473 #TakingOff #Departure #ADSB #ADSBbot
