Apparatus

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sensors Mode-S transponder

71C038

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

Currently assigned to HL8038 · AIRBUS A-321

Hex
71C038
Octal
34340070
Decimal
7,454,776
Country
KR
Tail
HL8038
Type
A321
No current signal · last broadcast 5h ago
Flights observed
167
Distinct callsigns
20
Country
KR
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 71C038.

Country allocation

The ICAO 24-bit address 71C038 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
AAR3365 Asiana Airlines 33 2026-05-12
AAR1135 Asiana Airlines 28 2026-05-12
AAR1145 Asiana Airlines 26 2026-05-10
AAR3355 Asiana Airlines 25 2026-05-12
AAR152 Asiana Airlines 6 2026-05-29
AAR151 Asiana Airlines 6 2026-05-29
AAR8995 Asiana Airlines 2 2026-04-14
AAR8981 - 2 2026-04-14
AAR8996 Asiana Airlines 1 2026-04-15
AAR8994 Asiana Airlines 1 2026-04-21
AAR8986 Asiana Airlines 1 2026-04-14
AAR8985 - 1 2026-04-13
AAR8956 - 1 2026-04-14
AAR8949 Asiana Airlines 1 2026-04-15
AAR8948 Asiana Airlines 1 2026-04-20
AAR8936 - 1 2026-04-13
AAR8935 Asiana Airlines 1 2026-04-21
AAR8927 Asiana Airlines 1 2026-04-14
AAR8921 Asiana Airlines 1 2026-04-12
AAR8920 Asiana Airlines 1 2026-04-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 AAR331 ICN → PEK May 29, 23:50 UTCMay 30, 00:15 UTC25m
2026-05-29 AAR171 OKA → ICN May 29, 07:45 UTCMay 29, 12:55 UTC5h 10m
2026-05-29 AAR151 SDJ → ICN May 29, 04:00 UTCMay 29, 06:10 UTC2h 10m
2026-05-29 AAR152 ICN → SDJ May 29, 01:00 UTCMay 29, 02:25 UTC1h 25m
2026-05-28 AAR378 - May 28, 12:55 UTCMay 28, 13:20 UTC25m
2026-05-28 AAR377 - May 28, 10:15 UTCMay 28, 10:35 UTC20m
2026-05-28 AAR151 SDJ → ICN May 28, 04:05 UTCMay 28, 06:10 UTC2h 5m
2026-05-28 AAR152 ICN → SDJ May 28, 00:50 UTCMay 28, 02:25 UTC1h 35m
2026-05-27 AAR151 SDJ → ICN May 27, 03:59 UTCMay 27, 06:04 UTC2h 5m
2026-05-27 AAR152 ICN → SDJ May 27, 01:09 UTCMay 27, 02:44 UTC1h 35m
2026-05-26 AAR151 SDJ → ICN May 26, 04:20 UTCMay 26, 06:20 UTC2h 0m
2026-05-26 AAR152 ICN → SDJ May 26, 01:14 UTCMay 26, 02:49 UTC1h 35m
2026-05-25 AAR151 SDJ → ICN May 25, 04:00 UTCMay 25, 06:00 UTC2h 0m
2026-05-25 AAR152 ICN → SDJ May 25, 01:55 UTCMay 25, 02:25 UTC30m
2026-05-24 AAR340 HRB → ICN May 24, 08:30 UTCMay 24, 09:00 UTC30m
2026-05-24 AAR339 ICN → HRB May 24, 03:45 UTCMay 24, 04:05 UTC20m
2026-05-22 AAR117 KIX → ICN May 22, 15:30 UTCMay 22, 17:00 UTC1h 30m
2026-05-22 AAR118 ICN → KIX May 22, 12:00 UTCMay 22, 13:25 UTC1h 25m
2026-05-22 AAR334 PEK → ICN May 22, 09:00 UTCMay 22, 09:25 UTC25m
2026-05-22 AAR333 ICN → PEK May 22, 04:40 UTCMay 22, 05:00 UTC20m
2026-05-19 AAR151 SDJ → ICN May 19, 04:05 UTCMay 19, 05:50 UTC1h 45m
2026-05-19 AAR152 ICN → SDJ May 19, 00:55 UTCMay 19, 02:35 UTC1h 40m
2026-05-18 AAR352 YNJ → ICN May 18, 11:25 UTCMay 18, 11:50 UTC25m
2026-05-18 AAR351 ICN → YNJ May 18, 06:35 UTCMay 18, 06:55 UTC20m
2026-05-12 AAR802A - May 12, 12:40 UTCMay 12, 12:55 UTC15m
2026-05-12 AAR3365 PEK → GMP May 12, 10:50 UTCMay 12, 11:05 UTC15m
2026-05-12 AAR3355 GMP → PEK May 12, 06:25 UTCMay 12, 06:40 UTC15m
2026-05-12 AAR1135 KIX → GMP May 12, 02:45 UTCMay 12, 03:55 UTC1h 10m
2026-05-11 AAR3365 PEK → GMP May 11, 10:50 UTCMay 11, 11:05 UTC15m
2026-05-11 AAR3355 GMP → PEK May 11, 06:20 UTCMay 11, 06:40 UTC20m
2026-05-11 AAR1135 KIX → GMP May 11, 02:35 UTCMay 11, 04:00 UTC1h 25m
2026-05-10 AAR1145 GMP → KIX May 10, 23:19 UTCMay 11, 00:40 UTC1h 20m
2026-05-10 AAR3365 PEK → GMP May 10, 10:45 UTCMay 10, 10:55 UTC10m
2026-05-10 AAR3355 GMP → PEK May 10, 06:20 UTCMay 10, 06:40 UTC20m
2026-05-10 AAR1135 KIX → GMP May 10, 02:24 UTCMay 10, 03:50 UTC1h 25m
2026-05-09 AAR1145 GMP → KIX May 9, 23:25 UTCMay 10, 00:49 UTC1h 25m
2026-05-09 AAR3365 PEK → GMP May 9, 10:40 UTCMay 9, 11:00 UTC20m
2026-05-09 AAR3365 PEK → GMP May 9, 09:25 UTCMay 9, 09:35 UTC10m
2026-05-09 AAR3355 GMP → PEK May 9, 06:30 UTCMay 9, 06:45 UTC15m
2026-05-09 AAR1135 KIX → GMP May 9, 02:35 UTCMay 9, 04:00 UTC1h 25m
2026-05-08 AAR1145 GMP → KIX May 8, 23:20 UTCMay 9, 00:40 UTC1h 20m
2026-05-08 AAR3365 PEK → GMP May 8, 10:59 UTCMay 8, 11:14 UTC15m
2026-05-08 AAR3355 GMP → PEK May 8, 06:54 UTCMay 8, 07:09 UTC15m
2026-05-08 AAR1135 KIX → GMP May 8, 02:24 UTCMay 8, 03:49 UTC1h 25m
2026-05-07 AAR1145 GMP → KIX May 7, 23:19 UTCMay 8, 00:44 UTC1h 25m
2026-05-07 AAR3365 PEK → GMP May 7, 10:40 UTCMay 7, 10:55 UTC15m
2026-05-07 AAR3365 PEK → GMP May 7, 09:35 UTCMay 7, 09:45 UTC10m
2026-05-07 AAR3355 GMP → PEK May 7, 06:15 UTCMay 7, 06:35 UTC20m
2026-05-07 AAR1135 KIX → GMP May 7, 02:30 UTCMay 7, 03:55 UTC1h 25m
2026-05-06 AAR1145 GMP → KIX May 6, 23:25 UTCMay 7, 00:30 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 HL8038 page for operator, model, and routing details .

Mode-S 71C038 frequently asked

What is Mode-S code 71C038?
71C038 is an ICAO 24-bit transponder address. Allocated to Korea, South. Assigned to HL8038.
Where is Mode-S 71C038 registered?
Mode-S code 71C038 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 71C038 broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 71C038, octal 34340070, decimal 7,454,776.
What flights does 71C038 operate?
Mode-S 71C038 has broadcast 20 distinct callsigns, including AAR3365, AAR1135, AAR1145, AAR3355, AAR152.