Apparatus

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sensors Mode-S transponder

71C582

ICAO 24-bit transponder address · allocated to Korea, South

Currently assigned to HL8582 · AIRBUS A-321neo

Hex
71C582
Octal
34342602
Decimal
7,456,130
Country
KR
Tail
HL8582
Type
A21N
No current signal · last broadcast 1h ago
Flights observed
377
Distinct callsigns
20
Country
KR
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 71C582.

Country allocation

The ICAO 24-bit address 71C582 falls within the block assigned to Korea, South (KR) by ICAO Annex 10, Volume III. Every aircraft registered in Korea, South 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
AAR332 - 19 2026-07-13
AAR331 - 16 2026-07-12
AAR336 - 13 2026-07-02
AAR367 - 12 2026-06-26
AAR351 - 11 2026-07-10
AAR349 - 11 2026-06-26
AAR118 - 11 2026-07-13
AAR352 - 10 2026-07-10
AAR335 - 10 2026-07-02
AAR322 - 10 2026-07-02
AAR117 - 10 2026-07-13
AAR334 Asiana Airlines 9 2026-06-12
AAR132 Asiana Airlines 9 2026-06-29
AAR131 Asiana Airlines 9 2026-06-30
AAR739 - 8 2026-07-09
AAR321 - 8 2026-07-02
AAR103 - 8 2026-06-16
AAR745 - 7 2026-06-27
AAR350 - 7 2026-06-26
AAR104 - 7 2026-06-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 AAR347 - Jul 14, 01:10 UTCJul 14, 01:35 UTC25m
2026-07-13 AAR117 KIX → ICN Jul 13, 15:35 UTCJul 13, 16:55 UTC1h 20m
2026-07-13 AAR118 - Jul 13, 12:00 UTCJul 13, 13:15 UTC1h 15m
2026-07-13 AAR332 - Jul 13, 04:05 UTCJul 13, 04:25 UTC20m
2026-07-13 AAR332 - Jul 13, 03:01 UTCJul 13, 03:10 UTC10m
2026-07-12 AAR331 - Jul 12, 23:50 UTCJul 13, 00:15 UTC25m
2026-07-12 AAR157 - Jul 12, 10:35 UTCJul 12, 11:35 UTC1h 0m
2026-07-12 AAR158 - Jul 12, 07:50 UTCJul 12, 08:45 UTC55m
2026-07-12 AAR304 - Jul 12, 05:05 UTCJul 12, 05:30 UTC25m
2026-07-12 AAR303 - Jul 12, 00:35 UTCJul 12, 01:00 UTC25m
2026-07-11 AAR708 - Jul 11, 18:50 UTCJul 11, 22:15 UTC3h 25m
2026-07-11 AAR707 ICN → CRK Jul 11, 13:55 UTCJul 11, 17:30 UTC3h 35m
2026-07-11 AAR380 - Jul 11, 10:40 UTCJul 11, 11:00 UTC20m
2026-07-11 AAR379 - Jul 11, 06:30 UTCJul 11, 06:50 UTC20m
2026-07-11 AAR332 - Jul 11, 04:01 UTCJul 11, 04:30 UTC30m
2026-07-10 AAR331 - Jul 10, 23:40 UTCJul 11, 00:05 UTC25m
2026-07-10 AAR352 - Jul 10, 11:20 UTCJul 10, 11:45 UTC25m
2026-07-10 AAR351 - Jul 10, 06:45 UTCJul 10, 07:10 UTC25m
2026-07-10 AAR157 - Jul 10, 03:55 UTCJul 10, 05:00 UTC1h 5m
2026-07-10 AAR158 - Jul 10, 01:00 UTCJul 10, 02:00 UTC1h 0m
2026-07-09 AAR739 ICN → ICN Jul 9, 10:15 UTCJul 9, 21:50 UTC11h 35m
2026-07-09 AAR121 - Jul 9, 03:15 UTCJul 9, 04:50 UTC1h 35m
2026-07-09 AAR122 - Jul 9, 00:40 UTCJul 9, 02:00 UTC1h 20m
2026-07-08 AAR123 - Jul 8, 10:20 UTCJul 8, 12:00 UTC1h 40m
2026-07-08 AAR124 - Jul 8, 07:40 UTCJul 8, 09:00 UTC1h 20m
2026-07-08 AAR151 - Jul 8, 04:15 UTCJul 8, 06:05 UTC1h 50m
2026-07-08 AAR152 - Jul 8, 01:00 UTCJul 8, 02:40 UTC1h 40m
2026-07-07 AAR739 - Jul 7, 10:25 UTCJul 7, 22:05 UTC11h 40m
2026-07-07 AAR348 - Jul 7, 07:45 UTCJul 7, 08:05 UTC20m
2026-07-07 AAR347 - Jul 7, 01:20 UTCJul 7, 02:40 UTC1h 20m
2026-07-06 AAR756 ICN → ICN Jul 6, 10:20 UTCJul 6, 20:40 UTC10h 20m
2026-07-06 AAR348 - Jul 6, 07:45 UTCJul 6, 08:05 UTC20m
2026-07-06 AAR347 - Jul 6, 01:40 UTCJul 6, 03:05 UTC1h 25m
2026-07-05 AAR352 - Jul 5, 11:25 UTCJul 5, 11:45 UTC20m
2026-07-05 AAR351 - Jul 5, 06:45 UTCJul 5, 07:10 UTC25m
2026-07-05 AAR121 - Jul 5, 03:10 UTCJul 5, 04:50 UTC1h 40m
2026-07-05 AAR122 - Jul 5, 00:30 UTCJul 5, 01:45 UTC1h 15m
2026-07-04 AAR354 - Jul 4, 21:00 UTCJul 4, 21:20 UTC20m
2026-07-04 AAR353 - Jul 4, 13:25 UTCJul 4, 13:40 UTC15m
2026-07-04 AAR123 - Jul 4, 10:25 UTCJul 4, 11:50 UTC1h 25m
2026-07-04 AAR124 - Jul 4, 07:40 UTCJul 4, 09:05 UTC1h 25m
2026-07-03 AAR756 - Jul 3, 12:00 UTCJul 3, 20:15 UTC8h 15m
2026-07-03 AAR755 - Jul 3, 10:15 UTCJul 3, 11:00 UTC45m
2026-07-03 AAR348 - Jul 3, 07:40 UTCJul 3, 08:00 UTC20m
2026-07-03 AAR347 - Jul 3, 01:05 UTCJul 3, 06:45 UTC5h 40m
2026-07-02 AAR322 - Jul 2, 19:00 UTCJul 2, 19:20 UTC20m
2026-07-02 AAR321 - Jul 2, 12:25 UTCJul 2, 12:50 UTC25m
2026-07-02 AAR336 - Jul 2, 10:35 UTCJul 2, 11:05 UTC30m
2026-07-02 AAR335 - Jul 2, 06:35 UTCJul 2, 06:55 UTC20m
2026-07-02 AAR332 - Jul 2, 04:15 UTCJul 2, 04:35 UTC20m

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 HL8582 page for operator, model, and routing details .

Mode-S 71C582 frequently asked

What is Mode-S code 71C582?
71C582 is an ICAO 24-bit transponder address. Allocated to Korea, South. Assigned to HL8582.
Where is Mode-S 71C582 registered?
Mode-S code 71C582 is allocated to Korea, South (KR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 71C582 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 71C582, octal 34342602, decimal 7,456,130.
What flights does 71C582 operate?
Mode-S 71C582 has broadcast 20 distinct callsigns, including AAR332, AAR331, AAR336, AAR367, AAR351.