Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

71BE42

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

Currently assigned to HL7642 · BOEING 747-8

Hex
71BE42
Octal
34337102
Decimal
7,454,274
Country
KR
Tail
HL7642
Type
B748
No current signal · last broadcast 8h ago
Flights observed
63
Distinct callsigns
10
Country
KR
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S 71BE42.

Country allocation

The ICAO 24-bit address 71BE42 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 10 distinct

Callsign Airline Flights Last seen
KAL018 Korean Air 19 2026-05-29
KAL017 Korean Air 17 2026-05-29
KAL8015 Korean Air 8 2026-05-15
KAL8016 - 7 2026-05-15
KAL012 Korean Air 5 2026-04-23
KAL2001 Korean Air 2 2026-04-19
KAL011 Korean Air 2 2026-04-22
KAL2022 Korean Air 1 2026-05-12
KAL2021 Korean Air 1 2026-05-12
KAL2002 Korean Air 1 2026-04-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 KAL018 LAX → ICN May 29, 19:50 UTCMay 29, 21:05 UTC1h 15m
2026-05-29 KAL017 ICN → LAX May 29, 05:55 UTCMay 29, 16:05 UTC10h 10m
2026-05-25 KAL018 LAX → ICN May 25, 19:44 UTCMay 26, 07:55 UTC12h 10m
2026-05-25 KAL017 ICN → LAX May 25, 06:10 UTCMay 25, 16:45 UTC10h 35m
2026-05-23 KAL018 LAX → ICN May 23, 19:55 UTCMay 24, 08:30 UTC12h 35m
2026-05-23 KAL017 ICN → LAX May 23, 05:55 UTCMay 23, 16:05 UTC10h 10m
2026-05-22 KAL018 LAX → ICN May 22, 06:50 UTCMay 22, 08:35 UTC1h 45m
2026-05-21 KAL018 LAX → ICN May 21, 19:45 UTCMay 22, 06:45 UTC11h 0m
2026-05-21 KAL017 ICN → LAX May 21, 06:10 UTCMay 21, 16:25 UTC10h 15m
2026-05-19 KAL018 LAX → ICN May 19, 19:55 UTCMay 20, 08:30 UTC12h 36m
2026-05-19 KAL017 ICN → LAX May 19, 05:55 UTCMay 19, 16:35 UTC10h 40m
2026-05-17 KAL018 LAX → ICN May 17, 20:01 UTCMay 18, 08:01 UTC12h 0m
2026-05-17 KAL017 ICN → LAX May 17, 06:10 UTCMay 17, 16:30 UTC10h 20m
2026-05-15 KAL8016 - May 15, 17:35 UTCMay 16, 06:01 UTC12h 26m
2026-05-15 KAL8015 ICN → LAX May 15, 03:50 UTCMay 15, 14:40 UTC10h 50m
2026-05-13 KAL8016 - May 13, 17:20 UTCMay 14, 05:30 UTC12h 10m
2026-05-13 KAL8015 ICN → LAX May 13, 04:05 UTCMay 13, 14:35 UTC10h 30m
2026-05-12 KAL2022 TPE → ICN May 12, 05:50 UTCMay 12, 07:45 UTC1h 55m
2026-05-12 KAL2021 ICN → TPE May 12, 03:25 UTCMay 12, 03:55 UTC30m
2026-05-10 KAL018 LAX → ICN May 10, 19:50 UTCMay 11, 08:00 UTC12h 11m
2026-05-10 KAL017 ICN → LAX May 10, 06:04 UTCMay 10, 16:25 UTC10h 20m
2026-05-08 KAL018 LAX → ICN May 8, 19:50 UTCMay 9, 08:25 UTC12h 35m
2026-05-08 KAL017 ICN → LAX May 8, 05:59 UTCMay 8, 16:10 UTC10h 10m
2026-05-06 KAL8016 - May 6, 17:30 UTCMay 7, 05:40 UTC12h 9m
2026-05-06 KAL8015 ICN → LAX May 6, 04:10 UTCMay 6, 14:45 UTC10h 35m
2026-05-03 KAL018 LAX → ICN May 3, 19:55 UTCMay 4, 08:30 UTC12h 35m
2026-05-03 KAL017 ICN → LAX May 3, 06:05 UTCMay 3, 16:50 UTC10h 45m
2026-04-30 KAL018 LAX → ICN Apr 30, 19:55 UTCMay 1, 08:15 UTC12h 20m
2026-04-30 KAL017 ICN → LAX Apr 30, 06:00 UTCApr 30, 16:05 UTC10h 5m
2026-04-29 KAL018 LAX → ICN Apr 29, 08:10 UTCApr 29, 08:40 UTC30m
2026-04-28 KAL018 LAX → ICN Apr 28, 19:50 UTCApr 29, 07:40 UTC11h 50m
2026-04-28 KAL017 ICN → LAX Apr 28, 06:00 UTCApr 28, 16:10 UTC10h 10m
2026-04-27 KAL018 LAX → ICN Apr 27, 08:00 UTCApr 27, 08:35 UTC35m
2026-04-26 KAL018 LAX → ICN Apr 26, 19:45 UTCApr 27, 07:25 UTC11h 40m
2026-04-26 KAL017 ICN → LAX Apr 26, 06:10 UTCApr 26, 16:40 UTC10h 30m
2026-04-24 KAL8016 - Apr 24, 17:45 UTCApr 25, 05:45 UTC12h 0m
2026-04-24 KAL8015 ICN → LAX Apr 24, 04:10 UTCApr 24, 14:20 UTC10h 10m
2026-04-23 KAL012 LAX → ICN Apr 23, 07:30 UTCApr 23, 20:05 UTC12h 34m
2026-04-22 KAL011 ICN → LAX Apr 22, 11:15 UTCApr 22, 21:20 UTC10h 5m
2026-04-21 KAL018 LAX → ICN Apr 21, 20:00 UTCApr 22, 08:20 UTC12h 20m
2026-04-21 KAL017 ICN → LAX Apr 21, 07:00 UTCApr 21, 16:15 UTC9h 15m
2026-04-21 KAL017 ICN → LAX Apr 21, 06:00 UTCApr 21, 06:25 UTC25m
2026-04-20 KAL012 LAX → ICN Apr 20, 07:15 UTCApr 20, 19:35 UTC12h 20m
2026-04-19 KAL011 ICN → LAX Apr 19, 11:10 UTCApr 19, 21:35 UTC10h 25m
2026-04-19 KAL2002 HKG → ICN Apr 19, 05:20 UTCApr 19, 08:00 UTC2h 40m
2026-04-19 KAL2001 ICN → HKG Apr 19, 02:35 UTCApr 19, 02:50 UTC15m
2026-04-18 KAL2001 ICN → HKG Apr 18, 23:35 UTCApr 19, 02:05 UTC2h 30m
2026-04-18 KAL018 LAX → ICN Apr 18, 07:45 UTCApr 18, 08:45 UTC1h 0m
2026-04-18 KAL018 LAX → ICN Apr 18, 06:35 UTCApr 18, 07:15 UTC40m
2026-04-17 KAL018 LAX → ICN Apr 17, 19:50 UTCApr 18, 08:45 UTC12h 55m

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 HL7642 page for operator, model, and routing details .

Mode-S 71BE42 frequently asked

What is Mode-S code 71BE42?
71BE42 is an ICAO 24-bit transponder address. Allocated to Korea, South. Assigned to HL7642.
Where is Mode-S 71BE42 registered?
Mode-S code 71BE42 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 71BE42 broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 71BE42, octal 34337102, decimal 7,454,274.
What flights does 71BE42 operate?
Mode-S 71BE42 has broadcast 10 distinct callsigns, including KAL018, KAL017, KAL8015, KAL8016, KAL012.