Apparatus

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sensors Mode-S transponder

71C392

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

Currently assigned to HL8392 · BOEING 787-9 Dreamliner

Hex
71C392
Octal
34341622
Decimal
7,455,634
Country
KR
Tail
HL8392
Type
B789
No current signal · last broadcast Jul 26, 18:10 UTC
Flights observed
228
Distinct callsigns
20
Country
KR
Last broadcast
Jul 26, 18:10 UTC

Last known position

Most recent position reported by Mode-S 71C392.

Country allocation

The ICAO 24-bit address 71C392 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
KAL956 Korean Air 22 2026-07-25
KAL955 Korean Air 18 2026-07-24
KAL922 - 9 2026-07-16
KAL411 - 9 2026-06-29
KAL032 - 9 2026-07-12
KAL921 - 8 2026-07-15
KAL918 Korean Air 8 2026-05-15
KAL917 Korean Air 8 2026-05-14
KAL031 - 8 2026-07-12
KAL432 Korean Air 7 2026-07-25
KAL412 - 7 2026-06-29
KAL472 - 6 2026-07-04
KAL2021 Korean Air 5 2026-07-21
KAL914 Korean Air 4 2026-06-05
KAL873 - 4 2026-06-17
KAL498 - 4 2026-07-03
KAL492 Korean Air 4 2026-06-23
KAL2011 Korean Air 4 2026-06-10
KAL076 - 4 2026-07-01
KAL075 - 4 2026-06-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 KAL938 VIE → ICN Jul 26, 16:40 UTCJul 26, 18:10 UTC1h 30m
2026-07-26 KAL937 ICN → VIE Jul 26, 03:10 UTCJul 26, 13:45 UTC10h 36m
2026-07-26 KAL937 ICN → VIE Jul 26, 02:05 UTCJul 26, 02:30 UTC25m
2026-07-25 KAL432 DPS → ICN Jul 25, 07:35 UTCJul 25, 22:40 UTC15h 5m
2026-07-25 KAL956 IST → ICN Jul 25, 04:05 UTCJul 25, 04:40 UTC35m
2026-07-24 KAL956 IST → ICN Jul 24, 19:35 UTCJul 25, 03:20 UTC7h 45m
2026-07-24 KAL955 ICN → IST Jul 24, 06:30 UTCJul 24, 17:10 UTC10h 40m
2026-07-24 KAL788 FUK → ICN Jul 24, 02:05 UTCJul 24, 02:55 UTC50m
2026-07-23 KAL787 ICN → FUK Jul 23, 23:25 UTCJul 24, 00:05 UTC40m
2026-07-23 KAL8054 HNL → ICN Jul 23, 07:40 UTCJul 23, 09:55 UTC2h 15m
2026-07-23 KAL8054 HNL → ICN Jul 23, 00:45 UTCJul 23, 01:00 UTC15m
2026-07-22 KAL8053 ICN → HNL Jul 22, 14:35 UTCJul 22, 16:20 UTC1h 45m
2026-07-22 KAL471 ICN → SGN Jul 22, 00:30 UTCJul 22, 12:15 UTC11h 45m
2026-07-21 KAL468 - Jul 21, 11:30 UTCJul 21, 22:15 UTC10h 45m
2026-07-21 KAL2022 TPE → ICN Jul 21, 05:30 UTCJul 21, 07:40 UTC2h 10m
2026-07-21 KAL2021 ICN → TPE Jul 21, 03:40 UTCJul 21, 03:50 UTC10m
2026-07-21 KAL2021 ICN → TPE Jul 21, 01:55 UTCJul 21, 02:25 UTC30m
2026-07-20 KAL432 - Jul 20, 07:25 UTCJul 20, 22:40 UTC15h 15m
2026-07-20 KAL938 VIE → ICN Jul 20, 02:30 UTCJul 20, 02:50 UTC20m
2026-07-19 KAL938 VIE → ICN Jul 19, 16:55 UTCJul 20, 01:35 UTC8h 40m
2026-07-19 KAL937 - Jul 19, 02:05 UTCJul 19, 14:15 UTC12h 10m
2026-07-18 KAL431 - Jul 18, 08:15 UTCJul 18, 22:30 UTC14h 15m
2026-07-18 KAL956 IST → ICN Jul 18, 03:25 UTCJul 18, 03:45 UTC20m
2026-07-17 KAL956 IST → ICN Jul 17, 19:09 UTCJul 18, 02:35 UTC7h 25m
2026-07-17 KAL955 - Jul 17, 06:40 UTCJul 17, 15:25 UTC8h 45m
2026-07-17 KAL955 - Jul 17, 05:25 UTCJul 17, 05:45 UTC20m
2026-07-16 KAL922 - Jul 16, 09:50 UTCJul 16, 10:10 UTC20m
2026-07-15 KAL922 - Jul 15, 21:55 UTCJul 16, 09:00 UTC11h 5m
2026-07-15 KAL921 - Jul 15, 05:40 UTCJul 15, 19:20 UTC13h 40m
2026-07-15 KAL921 - Jul 15, 04:25 UTCJul 15, 04:40 UTC15m
2026-07-14 KAL677 ICN → ICN Jul 14, 09:10 UTCJul 14, 22:30 UTC13h 20m
2026-07-13 KAL480 - Jul 13, 12:05 UTCJul 14, 05:55 UTC17h 50m
2026-07-12 KAL032 DFW → ICN Jul 12, 17:50 UTCJul 13, 07:15 UTC13h 25m
2026-07-12 KAL031 ICN → DFW Jul 12, 00:50 UTCJul 12, 13:15 UTC12h 25m
2026-07-11 KAL956 - Jul 11, 03:35 UTCJul 11, 03:55 UTC20m
2026-07-10 KAL956 - Jul 10, 18:55 UTCJul 11, 02:40 UTC7h 45m
2026-07-10 KAL955 - Jul 10, 15:40 UTCJul 10, 16:00 UTC20m
2026-07-10 KAL955 - Jul 10, 05:05 UTCJul 10, 15:00 UTC9h 55m
2026-07-10 KAL788 - Jul 10, 01:50 UTCJul 10, 03:00 UTC1h 10m
2026-07-09 KAL787 - Jul 9, 23:30 UTCJul 10, 00:10 UTC40m
2026-07-09 KAL8054 - Jul 9, 00:30 UTCJul 9, 09:45 UTC9h 15m
2026-07-08 KAL8053 - Jul 8, 14:05 UTCJul 8, 22:10 UTC8h 5m
2026-07-08 KAL2022 TPE → ICN Jul 8, 06:35 UTCJul 8, 08:45 UTC2h 10m
2026-07-08 KAL2021 - Jul 8, 02:35 UTCJul 8, 04:35 UTC2h 0m
2026-07-07 KAL467 ICN → ICN Jul 7, 11:15 UTCJul 7, 21:40 UTC10h 25m
2026-07-06 KAL408 BNE → ICN Jul 6, 23:10 UTCJul 7, 08:35 UTC9h 25m
2026-07-06 KAL407 ICN → BNE Jul 6, 11:30 UTCJul 6, 20:25 UTC8h 55m
2026-07-05 KAL032 DFW → ICN Jul 5, 17:40 UTCJul 6, 08:05 UTC14h 25m
2026-07-05 KAL031 ICN → DFW Jul 5, 01:15 UTCJul 5, 13:30 UTC12h 15m
2026-07-04 KAL472 - Jul 4, 01:00 UTCJul 4, 12:10 UTC11h 10m

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 HL8392 page for operator, model, and routing details .

Mode-S 71C392 frequently asked

What is Mode-S code 71C392?
71C392 is an ICAO 24-bit transponder address. Allocated to Korea, South. Assigned to HL8392.
Where is Mode-S 71C392 registered?
Mode-S code 71C392 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 71C392 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:10 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 71C392, octal 34341622, decimal 7,455,634.
What flights does 71C392 operate?
Mode-S 71C392 has broadcast 20 distinct callsigns, including KAL956, KAL955, KAL922, KAL411, KAL032.