Apparatus

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sensors Mode-S transponder

A89953

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N653QX · EMBRAER ERJ-170-200 (long wing) · operated by HORIZON AIR INDUSTRIES INC

Hex
A89953
Octal
52114523
Decimal
11,049,299
Country
US
Tail
N653QX
Type
E75L
No current signal · last broadcast 1h ago
Flights observed
751
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S A89953.

Country allocation

The ICAO 24-bit address A89953 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
QXE2226 - 8 2026-07-09
QXE2144 - 8 2026-06-20
QXE2132 - 8 2026-06-30
QXE2076 - 8 2026-07-04
QXE2015 - 8 2026-07-02
QXE2403 Horizon Air 7 2026-05-04
QXE2186 Horizon Air 7 2026-06-09
QXE2152 - 7 2026-06-24
QXE2060 - 7 2026-07-08
QXE2039 - 7 2026-07-10
QXE2456 Horizon Air 6 2026-06-13
QXE2277 - 6 2026-07-09
QXE2217 - 6 2026-07-04
QXE2148 - 6 2026-06-30
QXE2117 - 6 2026-07-05
QXE2103 - 6 2026-07-10
QXE2097 Horizon Air 6 2026-05-23
QXE2048 - 6 2026-07-02
QXE2038 Horizon Air 6 2026-07-10
QXE2007 - 6 2026-06-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 QXE2318 - Jul 14, 21:45 UTCJul 14, 22:45 UTC59m
2026-07-14 QXE2177 - Jul 14, 20:10 UTCJul 14, 20:45 UTC35m
2026-07-14 QXE2210 - Jul 14, 18:15 UTCJul 14, 19:10 UTC55m
2026-07-14 QXE2210 FAT → SAN Jul 14, 18:07 UTCJul 14, 19:08 UTC1h 1m
2026-07-14 QXE2208 - Jul 14, 16:20 UTCJul 14, 17:05 UTC45m
2026-07-14 QXE2288 OAK → SAN Jul 14, 14:08 UTCJul 14, 15:24 UTC1h 16m
2026-07-14 QXE2288 OAK → SAN Jul 14, 14:10 UTCJul 14, 15:25 UTC1h 15m
2026-07-14 QXE2285 - Jul 14, 04:25 UTCJul 14, 05:25 UTC1h 0m
2026-07-13 QXE2415 - Jul 13, 22:50 UTCJul 14, 01:00 UTC2h 10m
2026-07-13 QXE2086 - Jul 13, 18:35 UTCJul 13, 20:15 UTC1h 40m
2026-07-13 QXE2290 MRY → SEA Jul 13, 15:15 UTCJul 13, 16:35 UTC1h 20m
2026-07-13 QXE9992 LAS → RNO Jul 13, 02:36 UTCJul 13, 03:31 UTC55m
2026-07-13 QXE9992 - Jul 13, 02:40 UTCJul 13, 03:25 UTC45m
2026-07-13 QXE2092 - Jul 13, 00:20 UTCJul 13, 01:15 UTC55m
2026-07-12 QXE2415 - Jul 12, 21:00 UTCJul 12, 23:15 UTC2h 15m
2026-07-12 QXE2086 - Jul 12, 18:10 UTCJul 12, 19:50 UTC1h 40m
2026-07-12 QXE2253 LAS → SAN Jul 12, 16:20 UTCJul 12, 17:05 UTC45m
2026-07-12 QXE2274 - Jul 12, 04:05 UTCJul 12, 04:55 UTC50m
2026-07-12 QXE2251 LAS → SAN Jul 12, 02:10 UTCJul 12, 03:01 UTC50m
2026-07-11 QXE2092 - Jul 11, 23:25 UTCJul 12, 00:20 UTC55m
2026-07-11 QXE2176 - Jul 11, 20:55 UTCJul 11, 21:35 UTC40m
2026-07-11 QXE2317 - Jul 11, 17:55 UTCJul 11, 19:50 UTC1h 55m
2026-07-11 QXE2398 ANC → PDX Jul 11, 13:00 UTCJul 11, 16:40 UTC3h 40m
2026-07-11 QXE2099 FAI → ANC Jul 11, 04:40 UTCJul 11, 05:31 UTC50m
2026-07-11 QXE2085 ANC → FAI Jul 11, 03:05 UTCJul 11, 03:45 UTC40m
2026-07-11 QXE2102 - Jul 11, 01:20 UTCJul 11, 02:05 UTC45m
2026-07-10 QXE2103 ANC → FAI Jul 10, 23:30 UTCJul 11, 00:10 UTC40m
2026-07-10 QXE2039 - Jul 10, 21:50 UTCJul 10, 22:40 UTC50m
2026-07-10 QXE2038 PHX → SFO Jul 10, 19:25 UTCJul 10, 20:20 UTC55m
2026-07-10 QXE2194 - Jul 10, 16:55 UTCJul 10, 17:40 UTC45m
2026-07-10 QXE2193 SEA → PDX Jul 10, 15:00 UTCJul 10, 15:45 UTC45m
2026-07-10 QXE2099 FAI → ANC Jul 10, 04:40 UTCJul 10, 05:25 UTC45m
2026-07-10 QXE2085 ANC → FAI Jul 10, 03:05 UTCJul 10, 03:55 UTC50m
2026-07-10 QXE2102 FAI → ANC Jul 10, 01:15 UTCJul 10, 02:00 UTC45m
2026-07-09 QXE2103 ANC → FAI Jul 9, 23:30 UTCJul 10, 00:20 UTC50m
2026-07-09 QXE2039 PHX → SFO Jul 9, 21:20 UTCJul 9, 22:10 UTC50m
2026-07-09 QXE2038 PHX → SFO Jul 9, 19:35 UTCJul 9, 20:20 UTC45m
2026-07-09 QXE2033 SJC → SEA Jul 9, 17:48 UTCJul 9, 18:29 UTC41m
2026-07-09 QXE2277 ANC → FAI Jul 9, 06:58 UTCJul 9, 07:49 UTC51m
2026-07-09 QXE2226 - Jul 9, 00:35 UTCJul 9, 00:45 UTC10m
2026-07-09 QXE2226 ANC → OTZ Jul 9, 00:25 UTCJul 9, 01:47 UTC1h 22m
2026-07-08 QXE2039 PHX → SFO Jul 8, 22:15 UTCJul 8, 23:25 UTC1h 10m
2026-07-08 QXE2039 PHX → SFO Jul 8, 22:10 UTCJul 9, 20:20 UTC22h 10m
2026-07-08 QXE2038 PHX → SFO Jul 8, 20:11 UTCJul 8, 20:59 UTC48m
2026-07-08 QXE2038 PHX → SFO Jul 8, 20:15 UTCJul 8, 21:00 UTC45m
2026-07-08 QXE2179 - Jul 8, 17:55 UTCJul 8, 19:10 UTC1h 15m
2026-07-08 QXE2179 OME → ANC Jul 8, 17:45 UTCJul 8, 18:59 UTC1h 14m
2026-07-08 QXE2179 - Jul 8, 15:45 UTCJul 8, 16:35 UTC50m
2026-07-08 QXE2060 FAI → ANC Jul 8, 13:05 UTCJul 8, 13:50 UTC45m
2026-07-08 QXE2060 FAI → ANC Jul 8, 13:04 UTCJul 8, 13:45 UTC41m

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 N653QX page for operator, model, and routing details .

Mode-S A89953 frequently asked

What is Mode-S code A89953?
A89953 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N653QX.
Where is Mode-S A89953 registered?
Mode-S code A89953 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 A89953 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A89953, octal 52114523, decimal 11,049,299.
What flights does A89953 operate?
Mode-S A89953 has broadcast 20 distinct callsigns, including QXE2226, QXE2144, QXE2132, QXE2076, QXE2015.