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 3h ago
Flights observed
558
Distinct callsigns
20
Country
US
Last broadcast
3h ago

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 - 8 2026-07-13
QXE2400 Horizon Air 7 2026-06-20
QXE2409 Horizon Air 6 2026-05-15
QXE2037 Horizon Air 6 2026-07-07
QXE2437 - 5 2026-06-28
QXE2364 - 5 2026-07-09
QXE2279 - 5 2026-06-15
QXE2142 - 5 2026-07-09
QXE2067 - 5 2026-07-09
QXE2509 Horizon Air 4 2026-05-06
QXE2342 Horizon Air 4 2026-07-03
QXE2286 - 4 2026-07-08
QXE2274 - 4 2026-07-01
QXE2262 - 4 2026-06-13
QXE2210 - 4 2026-07-01
QXE2190 - 4 2026-06-27
QXE2186 - 4 2026-07-03
QXE2180 - 4 2026-07-13
QXE2176 - 4 2026-07-01
QXE2159 - 4 2026-07-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 QXE2315 - Jul 14, 04:40 UTCJul 14, 06:35 UTC1h 55m
2026-07-14 QXE2407 GEG → PDX Jul 14, 02:50 UTCJul 14, 03:40 UTC50m
2026-07-14 QXE2030 - Jul 14, 01:05 UTCJul 14, 01:50 UTC45m
2026-07-13 QXE2264 - Jul 13, 23:20 UTCJul 14, 00:10 UTC50m
2026-07-13 QXE2264 GEG → BOI Jul 13, 23:19 UTCJul 14, 00:04 UTC45m
2026-07-13 QXE2180 SEA → GEG Jul 13, 21:50 UTCJul 13, 22:35 UTC45m
2026-07-13 QXE2180 SEA → GEG Jul 13, 21:50 UTCJul 13, 22:24 UTC34m
2026-07-13 QXE2231 - Jul 13, 19:35 UTCJul 13, 20:35 UTC1h 0m
2026-07-13 QXE2230 - Jul 13, 17:40 UTCJul 13, 18:45 UTC1h 5m
2026-07-13 QXE2012 - Jul 13, 15:30 UTCJul 13, 16:00 UTC30m
2026-07-13 QXE2228 - Jul 13, 05:01 UTCJul 13, 05:45 UTC45m
2026-07-13 QXE2056 - Jul 13, 00:55 UTCJul 13, 02:25 UTC1h 30m
2026-07-12 QXE2056 PDX → SBP Jul 12, 22:00 UTCJul 12, 23:55 UTC1h 55m
2026-07-12 QXE2003 YVR → PDX Jul 12, 20:15 UTCJul 12, 20:39 UTC24m
2026-07-12 QXE2003 - Jul 12, 20:01 UTCJul 12, 20:50 UTC50m
2026-07-12 QXE2225 - Jul 12, 18:01 UTCJul 12, 18:45 UTC45m
2026-07-12 QXE2316 - Jul 12, 14:35 UTCJul 12, 16:05 UTC1h 30m
2026-07-12 QXE2315 - Jul 12, 01:10 UTCJul 12, 03:05 UTC1h 55m
2026-07-11 QXE2081 MFR → PDX Jul 11, 23:15 UTCJul 11, 23:50 UTC35m
2026-07-11 QXE2328 - Jul 11, 20:55 UTCJul 11, 22:20 UTC1h 25m
2026-07-11 QXE2278 - Jul 11, 16:55 UTCJul 11, 19:30 UTC2h 35m
2026-07-11 QXE2116 - Jul 11, 02:10 UTCJul 11, 04:25 UTC2h 15m
2026-07-10 QXE2019 SEA → PDX Jul 10, 22:45 UTCJul 11, 01:10 UTC2h 25m
2026-07-10 QXE2259 - Jul 10, 20:55 UTCJul 10, 21:40 UTC45m
2026-07-10 QXE2106 RDM → SFO Jul 10, 18:55 UTCJul 10, 19:50 UTC55m
2026-07-10 QXE2179 EUG → SEA Jul 10, 17:00 UTCJul 10, 17:55 UTC55m
2026-07-10 QXE2072 SEA → FCA Jul 10, 15:25 UTCJul 10, 16:10 UTC45m
2026-07-10 QXE2046 EUG → SEA Jul 10, 13:10 UTCJul 10, 13:55 UTC45m
2026-07-10 QXE2046 EUG → SEA Jul 10, 13:10 UTCJul 10, 13:50 UTC40m
2026-07-10 QXE2047 - Jul 10, 06:00 UTCJul 10, 06:55 UTC55m
2026-07-10 QXE2191 SAN → SFO Jul 10, 01:28 UTCJul 10, 04:31 UTC3h 3m
2026-07-09 QXE2191 SAN → SFO Jul 9, 21:30 UTCJul 10, 04:45 UTC7h 15m
2026-07-09 QXE2143 OAK → PDX Jul 9, 18:00 UTCJul 9, 20:10 UTC2h 10m
2026-07-09 QXE2142 SEA → SBA Jul 9, 15:00 UTCJul 9, 17:00 UTC2h 0m
2026-07-09 QXE2067 PUW → SEA Jul 9, 12:50 UTCJul 9, 13:40 UTC50m
2026-07-09 QXE2364 SEA → PUW Jul 9, 05:55 UTCJul 9, 06:35 UTC40m
2026-07-09 QXE2309 GEG → SEA Jul 9, 03:25 UTCJul 9, 04:10 UTC45m
2026-07-09 QXE2293 PAE → SFO Jul 9, 01:55 UTCJul 9, 02:35 UTC40m
2026-07-08 QXE2286 RDD → SEA Jul 8, 23:25 UTCJul 9, 00:40 UTC1h 15m
2026-07-08 QXE2287 SEA → RDD Jul 8, 21:10 UTCJul 8, 22:25 UTC1h 15m
2026-07-08 QXE2336 - Jul 8, 17:55 UTCJul 8, 19:40 UTC1h 45m
2026-07-08 QXE2337 - Jul 8, 15:35 UTCJul 8, 17:00 UTC1h 25m
2026-07-08 QXE2452 MFR → SEA Jul 8, 13:10 UTCJul 8, 14:10 UTC1h 0m
2026-07-08 QXE2461 SEA → MFR Jul 8, 06:10 UTCJul 8, 07:10 UTC1h 0m
2026-07-07 QXE2191 SAN → SFO Jul 7, 21:40 UTCJul 8, 04:50 UTC7h 10m
2026-07-07 QXE2143 OAK → PDX Jul 7, 18:07 UTCJul 7, 19:54 UTC1h 47m
2026-07-07 QXE2143 OAK → PDX Jul 7, 17:55 UTCJul 7, 20:00 UTC2h 5m
2026-07-07 QXE2142 SEA → SBA Jul 7, 14:50 UTCJul 7, 16:55 UTC2h 5m
2026-07-07 QXE2067 PUW → SEA Jul 7, 12:55 UTCJul 7, 13:45 UTC50m
2026-07-07 QXE2364 SEA → PUW Jul 7, 05:55 UTCJul 7, 06:40 UTC45m

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 3h ago.
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, QXE2400, QXE2409, QXE2037, QXE2437.