Apparatus

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sensors Mode-S transponder

881423

ICAO 24-bit transponder address · allocated to Thailand

Currently assigned to HS-EAC · AIRBUS A-321neo

Hex
881423
Octal
42012043
Decimal
8,918,051
Country
TH
Tail
HS-EAC
Type
A21N
No current signal · last broadcast 58m ago
Flights observed
445
Distinct callsigns
20
Country
TH
Last broadcast
58m ago

Last known position

Most recent position reported by Mode-S 881423.

Country allocation

The ICAO 24-bit address 881423 falls within the block assigned to Thailand (TH) by ICAO Annex 10, Volume III. Every aircraft registered in Thailand 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
AIQ230 - 38 2026-07-15
AIQ231 - 37 2026-07-12
AIQ3428 - 14 2026-07-02
AIQ3427 - 14 2026-07-02
AIQ3240 - 14 2026-07-09
AIQ3207 - 13 2026-07-14
AIQ655 - 12 2026-07-02
AIQ3438 - 12 2026-07-02
AIQ3437 - 12 2026-07-01
AIQ3358 - 12 2026-07-14
AIQ3208 - 12 2026-07-14
AIQ357 - 11 2026-07-08
AIQ356 - 11 2026-07-08
AIQ3430 Thai AirAsia 11 2026-07-06
AIQ3429 Thai AirAsia 11 2026-07-06
AIQ3257 - 11 2026-07-08
AIQ3256 - 11 2026-07-08
AIQ3239 - 11 2026-07-09
AIQ3440 - 10 2026-07-06
AIQ3439 - 10 2026-07-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-15 AIQ230 - Jul 15, 00:35 UTCJul 15, 04:05 UTC3h 30m
2026-07-14 AIQ3208 - Jul 14, 11:05 UTCJul 14, 12:00 UTC55m
2026-07-14 AIQ3207 - Jul 14, 09:20 UTCJul 14, 10:20 UTC1h 0m
2026-07-14 AIQ3359 - Jul 14, 08:10 UTCJul 14, 08:25 UTC15m
2026-07-14 AIQ3358 - Jul 14, 05:50 UTCJul 14, 06:10 UTC20m
2026-07-14 AIQ635 - Jul 14, 04:45 UTCJul 14, 04:55 UTC10m
2026-07-14 AIQ634 - Jul 14, 01:25 UTCJul 14, 01:45 UTC20m
2026-07-13 AIQ3208 - Jul 13, 10:50 UTCJul 13, 11:45 UTC55m
2026-07-13 AIQ3207 - Jul 13, 08:55 UTCJul 13, 10:00 UTC1h 5m
2026-07-13 AIQ3359 - Jul 13, 07:50 UTCJul 13, 08:01 UTC10m
2026-07-13 AIQ3358 - Jul 13, 05:40 UTCJul 13, 05:50 UTC10m
2026-07-13 AIQ635 - Jul 13, 04:20 UTCJul 13, 04:30 UTC10m
2026-07-13 AIQ634 - Jul 13, 01:05 UTCJul 13, 01:20 UTC15m
2026-07-12 AIQ231 - Jul 12, 11:10 UTCJul 12, 11:55 UTC45m
2026-07-12 AIQ231 - Jul 12, 09:05 UTCJul 12, 09:45 UTC40m
2026-07-12 AIQ230 - Jul 12, 06:01 UTCJul 12, 06:30 UTC30m
2026-07-12 AIQ230 - Jul 12, 01:10 UTCJul 12, 04:35 UTC3h 25m
2026-07-10 AIQ231 - Jul 10, 10:35 UTCJul 10, 13:50 UTC3h 15m
2026-07-10 AIQ230 DMK → TPE Jul 10, 03:40 UTCJul 10, 07:25 UTC3h 45m
2026-07-09 AIQ3206 CEI → DMK Jul 9, 14:05 UTCJul 9, 15:00 UTC55m
2026-07-09 AIQ3205 DMK → CEI Jul 9, 12:25 UTCJul 9, 13:25 UTC1h 0m
2026-07-09 AIQ3215 - Jul 9, 08:25 UTCJul 9, 11:15 UTC2h 50m
2026-07-09 AIQ3240 - Jul 9, 06:50 UTCJul 9, 07:25 UTC35m
2026-07-09 AIQ3239 - Jul 9, 04:40 UTCJul 9, 05:20 UTC40m
2026-07-08 AIQ3257 - Jul 8, 12:00 UTCJul 8, 12:55 UTC55m
2026-07-08 AIQ3256 - Jul 8, 10:20 UTCJul 8, 10:50 UTC30m
2026-07-08 AIQ356 - Jul 8, 07:15 UTCJul 8, 09:25 UTC2h 10m
2026-07-08 AIQ357 - Jul 8, 03:55 UTCJul 8, 06:00 UTC2h 5m
2026-07-07 AIQ3257 - Jul 7, 12:00 UTCJul 7, 12:30 UTC30m
2026-07-07 AIQ3256 - Jul 7, 10:05 UTCJul 7, 10:35 UTC30m
2026-07-07 AIQ356 - Jul 7, 07:00 UTCJul 7, 09:05 UTC2h 5m
2026-07-07 AIQ357 - Jul 7, 03:50 UTCJul 7, 05:55 UTC2h 5m
2026-07-06 AIQ3430 CNX → DMK Jul 6, 13:35 UTCJul 6, 14:25 UTC50m
2026-07-06 AIQ3429 DMK → CNX Jul 6, 11:55 UTCJul 6, 12:45 UTC50m
2026-07-06 AIQ3440 - Jul 6, 09:50 UTCJul 6, 10:40 UTC50m
2026-07-06 AIQ3439 - Jul 6, 08:05 UTCJul 6, 08:55 UTC50m
2026-07-06 AIQ3212 - Jul 6, 03:50 UTCJul 6, 06:55 UTC3h 5m
2026-07-05 AIQ3430 CNX → DMK Jul 5, 13:15 UTCJul 5, 14:05 UTC50m
2026-07-05 AIQ3429 DMK → CNX Jul 5, 11:25 UTCJul 5, 12:15 UTC50m
2026-07-05 AIQ3440 - Jul 5, 09:35 UTCJul 5, 10:25 UTC50m
2026-07-05 AIQ3439 - Jul 5, 07:50 UTCJul 5, 08:40 UTC50m
2026-07-05 AIQ3212 - Jul 5, 03:40 UTCJul 5, 06:45 UTC3h 5m
2026-07-04 AIQ3257 - Jul 4, 11:50 UTCJul 4, 12:10 UTC20m
2026-07-04 AIQ3256 - Jul 4, 10:05 UTCJul 4, 10:30 UTC25m
2026-07-04 AIQ356 - Jul 4, 06:55 UTCJul 4, 08:55 UTC2h 0m
2026-07-04 AIQ357 - Jul 4, 03:55 UTCJul 4, 05:50 UTC1h 55m
2026-07-04 AIQ3236 - Jul 4, 02:15 UTCJul 4, 02:50 UTC35m
2026-07-04 AIQ3235 - Jul 4, 00:20 UTCJul 4, 00:55 UTC35m
2026-07-03 AIQ3208 - Jul 3, 11:20 UTCJul 3, 12:20 UTC1h 0m
2026-07-03 AIQ3207 - Jul 3, 09:20 UTCJul 3, 10:25 UTC1h 5m

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 HS-EAC page for operator, model, and routing details .

Mode-S 881423 frequently asked

What is Mode-S code 881423?
881423 is an ICAO 24-bit transponder address. Allocated to Thailand. Assigned to HS-EAC.
Where is Mode-S 881423 registered?
Mode-S code 881423 is allocated to Thailand (TH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 881423 broadcasting right now?
No active broadcast right now. Last signal was 58m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 881423, octal 42012043, decimal 8,918,051.
What flights does 881423 operate?
Mode-S 881423 has broadcast 20 distinct callsigns, including AIQ230, AIQ231, AIQ3428, AIQ3427, AIQ3240.