Apparatus

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sensors Mode-S transponder

A8BD1B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N662QX · EMBRAER ERJ-170-200 (long wing) · operated by HORIZON AIR INDUSTRIES INC

Hex
A8BD1B
Octal
52136433
Decimal
11,058,459
Country
US
Tail
N662QX
Type
E75L
No current signal · last broadcast Jul 26, 22:25 UTC
Flights observed
649
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 22:25 UTC

Last known position

Most recent position reported by Mode-S A8BD1B.

Country allocation

The ICAO 24-bit address A8BD1B falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 20 distinct

Callsign Airline Flights Last seen
QXE2056 - 10 2026-07-15
QXE2437 Horizon Air 7 2026-07-24
QXE2400 Horizon Air 7 2026-06-20
QXE2364 - 7 2026-07-18
QXE2409 Horizon Air 6 2026-05-15
QXE2142 - 6 2026-07-18
QXE2067 - 6 2026-07-18
QXE2037 Horizon Air 6 2026-07-07
QXE2316 Horizon Air 5 2026-07-25
QXE2279 - 5 2026-06-15
QXE2159 - 5 2026-07-15
QXE2143 - 5 2026-07-18
QXE2086 Horizon Air 5 2026-07-26
QXE2084 - 5 2026-07-16
QXE2003 - 5 2026-07-14
QXE2509 Horizon Air 4 2026-05-06
QXE2404 - 4 2026-07-15
QXE2353 - 4 2026-07-15
QXE2342 Horizon Air 4 2026-07-03
QXE2286 - 4 2026-07-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 QXE2415 SFO → PSP Jul 26, 20:15 UTCJul 26, 22:20 UTC2h 5m
2026-07-26 QXE2086 SEA → SBP Jul 26, 17:35 UTCJul 26, 19:15 UTC1h 40m
2026-07-26 QXE2290 MRY → SEA Jul 26, 15:05 UTCJul 26, 16:25 UTC1h 20m
2026-07-26 QXE2289 MFR → SEA Jul 26, 04:00 UTCJul 26, 05:00 UTC1h 0m
2026-07-26 QXE2257 SAN → SFO Jul 26, 01:45 UTCJul 26, 03:05 UTC1h 20m
2026-07-25 QXE2458 LAX → RNO Jul 25, 22:40 UTCJul 25, 23:55 UTC1h 15m
2026-07-25 QXE2459 SEA → SFO Jul 25, 20:25 UTCJul 25, 21:35 UTC1h 10m
2026-07-25 QXE2330 EUG → SEA Jul 25, 18:10 UTCJul 25, 19:30 UTC1h 20m
2026-07-25 QXE2316 SJC → LAX Jul 25, 14:35 UTCJul 25, 16:10 UTC1h 35m
2026-07-25 QXE2312 SJC → PDX Jul 25, 06:05 UTCJul 25, 06:45 UTC40m
2026-07-25 QXE2213 PAE → SFO Jul 25, 04:15 UTCJul 25, 05:20 UTC1h 5m
2026-07-25 QXE2113 SFO → PDX Jul 25, 00:55 UTCJul 25, 02:30 UTC1h 35m
2026-07-24 QXE2221 PDX → OAK Jul 24, 19:05 UTCJul 24, 23:55 UTC4h 50m
2026-07-24 QXE2437 PAE → SAN Jul 24, 15:30 UTCJul 24, 18:10 UTC2h 40m
2026-07-24 QXE2437 PAE → SAN Jul 24, 15:30 UTCJul 24, 18:09 UTC2h 39m
2026-07-24 QXE2189 SAN → PAE Jul 24, 02:35 UTCJul 24, 04:55 UTC2h 20m
2026-07-24 QXE2406 FAI → ANC Jul 24, 00:25 UTCJul 24, 01:40 UTC1h 15m
2026-07-23 QXE2405 SJC → PDX Jul 23, 21:45 UTCJul 23, 23:00 UTC1h 15m
2026-07-23 QXE2269 SEA → MFR Jul 23, 18:00 UTCJul 23, 20:25 UTC2h 25m
2026-07-23 QXE2268 EUG → SEA Jul 23, 14:40 UTCJul 23, 17:00 UTC2h 20m
2026-07-23 QXE2098 MFR → PDX Jul 23, 12:25 UTCJul 23, 13:00 UTC35m
2026-07-23 QXE2266 PDX → MFR Jul 23, 05:55 UTCJul 23, 06:40 UTC45m
2026-07-23 QXE2387 SJC → SAN Jul 23, 04:20 UTCJul 23, 04:55 UTC35m
2026-07-23 QXE2402 BOI → PDX Jul 23, 00:40 UTCJul 23, 02:05 UTC1h 25m
2026-07-22 QXE2401 SAN → PHX Jul 22, 22:10 UTCJul 22, 23:50 UTC1h 40m
2026-07-22 QXE2306 LAX → GEG Jul 22, 20:10 UTCJul 22, 20:45 UTC35m
2026-07-22 QXE2306 LAX → GEG Jul 22, 18:35 UTCJul 22, 19:05 UTC30m
2026-07-22 QXE2166 BET → ANC Jul 22, 16:15 UTCJul 22, 17:25 UTC1h 10m
2026-07-22 QXE2166 BET → ANC Jul 22, 16:14 UTCJul 22, 17:14 UTC1h 0m
2026-07-22 QXE2161 PDX → BIL Jul 22, 14:10 UTCJul 22, 15:05 UTC55m
2026-07-22 QXE2053 PDX → SEA Jul 22, 12:35 UTCJul 22, 13:00 UTC25m
2026-07-22 QXE2309 GEG → SEA Jul 22, 03:45 UTCJul 22, 04:40 UTC55m
2026-07-22 QXE2293 PAE → SFO Jul 22, 02:20 UTCJul 22, 03:00 UTC40m
2026-07-21 QXE2119 SAN → SFO Jul 21, 21:50 UTCJul 21, 22:40 UTC50m
2026-07-21 QXE2020 SFO → PHX Jul 21, 18:30 UTCJul 21, 20:40 UTC2h 10m
2026-07-21 QXE2270 - Jul 21, 15:15 UTCJul 21, 17:45 UTC2h 30m
2026-07-21 QXE2116 SNA → PAE Jul 21, 02:30 UTCJul 21, 04:45 UTC2h 15m
2026-07-20 QXE2019 SEA → PDX Jul 20, 23:10 UTCJul 21, 01:40 UTC2h 30m
2026-07-20 QXE2259 - Jul 20, 21:00 UTCJul 20, 21:45 UTC45m
2026-07-20 QXE2106 RDM → SFO Jul 20, 19:00 UTCJul 20, 20:00 UTC1h 0m
2026-07-20 QXE2106 RDM → SFO Jul 20, 19:03 UTCJul 20, 20:02 UTC59m
2026-07-20 QXE2179 SAN → PAE Jul 20, 17:00 UTCJul 20, 17:45 UTC45m
2026-07-20 QXE2072 SEA → FCA Jul 20, 15:00 UTCJul 20, 15:55 UTC55m
2026-07-20 QXE2122 PDX → SFO Jul 20, 12:55 UTCJul 20, 14:05 UTC1h 10m
2026-07-20 QXE2121 MFR → SEA Jul 20, 05:26 UTCJul 20, 06:24 UTC58m
2026-07-20 QXE2121 MFR → SEA Jul 20, 05:30 UTCJul 20, 06:15 UTC45m
2026-07-20 QXE2138 SFO → PAE Jul 20, 02:30 UTCJul 20, 03:40 UTC1h 10m
2026-07-20 QXE2123 SJC → SEA Jul 20, 00:10 UTCJul 20, 00:55 UTC45m
2026-07-19 QXE2359 - Jul 19, 21:55 UTCJul 19, 22:20 UTC25m
2026-07-19 QXE2149 - Jul 19, 20:30 UTCJul 19, 20:55 UTC25m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Prefer a tail-number view? See the N662QX page for operator, model, and routing details .

Mode-S A8BD1B frequently asked

What is Mode-S code A8BD1B?
A8BD1B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N662QX.
Where is Mode-S A8BD1B registered?
Mode-S code A8BD1B is allocated to United States (US). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is A8BD1B broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:25 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A8BD1B, octal 52136433, decimal 11,058,459.
What flights does A8BD1B operate?
Mode-S A8BD1B has broadcast 20 distinct callsigns, including QXE2056, QXE2437, QXE2400, QXE2364, QXE2409.