Apparatus

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sensors Mode-S transponder

71C067

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

Currently assigned to HL8067 · BOEING 737-800

Hex
71C067
Octal
34340147
Decimal
7,454,823
Country
KR
Tail
HL8067
Type
B738
No current signal · last broadcast Jul 26, 20:05 UTC
Flights observed
425
Distinct callsigns
20
Country
KR
Last broadcast
Jul 26, 20:05 UTC

Last known position

Most recent position reported by Mode-S 71C067.

Country allocation

The ICAO 24-bit address 71C067 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
TWB664 Tway Airlines 11 2026-07-26
TWB652 Tway Airlines 8 2026-05-20
TWB849 - 7 2026-07-24
TWB663 Tway Airlines 7 2026-07-26
TWB311 - 7 2026-07-08
TWB286 - 7 2026-07-17
TWB285 - 7 2026-07-16
TWB850 - 6 2026-07-24
TWB728 - 6 2026-06-17
TWB669 - 6 2026-07-15
TWB322 Tway Airlines 6 2026-05-24
TWB321 Tway Airlines 6 2026-05-24
TWB252 Tway Airlines 6 2026-07-19
TWB216 - 6 2026-07-19
TWB213 Tway Airlines 6 2026-07-20
TWB844 Tway Airlines 5 2026-07-23
TWB736 - 5 2026-06-14
TWB735 - 5 2026-06-14
TWB718 Tway Airlines 5 2026-05-21
TWB717 Tway Airlines 5 2026-05-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 TWB664 TPE → TAE Jul 26, 18:05 UTCJul 26, 20:05 UTC2h 0m
2026-07-26 TWB663 TAE → TPE Jul 26, 13:55 UTCJul 26, 15:50 UTC1h 55m
2026-07-26 TWB510 GUM → KIX Jul 26, 11:35 UTCJul 26, 12:05 UTC30m
2026-07-26 TWB510 GUM → KIX Jul 26, 10:05 UTCJul 26, 10:15 UTC10m
2026-07-26 TWB509 KIX → GUM Jul 26, 02:20 UTCJul 26, 02:35 UTC15m
2026-07-25 TWB509 KIX → GUM Jul 25, 23:45 UTCJul 26, 00:45 UTC1h 0m
2026-07-25 TWB038 CXR → TAE Jul 25, 22:00 UTCJul 25, 22:25 UTC25m
2026-07-25 TWB037 TAE → CXR Jul 25, 12:00 UTCJul 25, 20:45 UTC8h 45m
2026-07-25 TWB808 CJU → TAE Jul 25, 09:50 UTCJul 25, 10:10 UTC20m
2026-07-25 TWB690 KHH → CJU Jul 25, 06:00 UTCJul 25, 06:40 UTC40m
2026-07-25 TWB689 CJU → KHH Jul 25, 03:35 UTCJul 25, 04:40 UTC1h 5m
2026-07-24 TWB843 CJJ → CJU Jul 24, 23:50 UTCJul 25, 00:15 UTC25m
2026-07-24 TWB850 - Jul 24, 13:20 UTCJul 24, 13:50 UTC30m
2026-07-24 TWB849 - Jul 24, 11:10 UTCJul 24, 11:50 UTC40m
2026-07-24 TWB685 CJJ → YNJ Jul 24, 03:15 UTCJul 24, 09:05 UTC5h 50m
2026-07-24 TWB842 CJU → CJJ Jul 24, 01:20 UTCJul 24, 01:50 UTC30m
2026-07-23 TWB841 CJJ → CJU Jul 23, 23:05 UTCJul 23, 23:45 UTC40m
2026-07-23 TWB850 - Jul 23, 13:15 UTCJul 23, 13:45 UTC30m
2026-07-23 TWB849 - Jul 23, 11:10 UTCJul 23, 11:50 UTC40m
2026-07-23 TWB844 CJU → CJJ Jul 23, 09:40 UTCJul 23, 10:10 UTC30m
2026-07-23 TWB690 KHH → CJU Jul 23, 05:45 UTCJul 23, 06:20 UTC35m
2026-07-23 TWB689 CJU → KHH Jul 23, 03:20 UTCJul 23, 04:20 UTC1h 0m
2026-07-22 TWB843 CJJ → CJU Jul 22, 23:55 UTCJul 23, 00:25 UTC30m
2026-07-22 TWB850 - Jul 22, 13:10 UTCJul 22, 13:40 UTC30m
2026-07-22 TWB849 - Jul 22, 11:10 UTCJul 22, 11:35 UTC25m
2026-07-22 TWB685 CJJ → YNJ Jul 22, 03:25 UTCJul 22, 04:15 UTC50m
2026-07-22 TWB842 CJU → CJJ Jul 22, 01:25 UTCJul 22, 01:55 UTC30m
2026-07-21 TWB841 CJJ → CJU Jul 21, 23:15 UTCJul 21, 23:40 UTC25m
2026-07-21 TWB850 - Jul 21, 13:15 UTCJul 21, 13:45 UTC30m
2026-07-21 TWB849 - Jul 21, 11:10 UTCJul 21, 11:40 UTC30m
2026-07-21 TWB844 CJU → CJJ Jul 21, 09:30 UTCJul 21, 10:05 UTC35m
2026-07-21 TWB725 - Jul 21, 06:30 UTCJul 21, 07:05 UTC35m
2026-07-21 TWB720 - Jul 21, 04:45 UTCJul 21, 05:25 UTC40m
2026-07-21 TWB228 FUK → CJU Jul 21, 01:35 UTCJul 21, 02:00 UTC25m
2026-07-20 TWB213 TAE → FUK Jul 20, 23:25 UTCJul 20, 23:45 UTC20m
2026-07-20 TWB038 - Jul 20, 11:05 UTCJul 20, 21:55 UTC10h 50m
2026-07-20 TWB106 - Jul 20, 00:00 UTCJul 20, 00:30 UTC30m
2026-07-19 TWB106 - Jul 19, 19:30 UTCJul 19, 22:55 UTC3h 25m
2026-07-19 TWB105 - Jul 19, 17:20 UTCJul 19, 17:30 UTC10m
2026-07-19 TWB105 - Jul 19, 12:35 UTCJul 19, 15:10 UTC2h 35m
2026-07-19 TWB216 - Jul 19, 10:35 UTCJul 19, 11:00 UTC25m
2026-07-19 TWB215 - Jul 19, 08:20 UTCJul 19, 08:45 UTC25m
2026-07-19 TWB252 NRT → TAE Jul 19, 05:10 UTCJul 19, 06:45 UTC1h 35m
2026-07-19 TWB251 TAE → NRT Jul 19, 02:00 UTCJul 19, 03:25 UTC1h 25m
2026-07-18 TWB013 - Jul 18, 13:00 UTCJul 19, 00:00 UTC11h 0m
2026-07-18 TWB672 KHH → ICN Jul 18, 08:10 UTCJul 18, 10:40 UTC2h 30m
2026-07-18 TWB671 ICN → KHH Jul 18, 04:35 UTCJul 18, 07:00 UTC2h 25m
2026-07-17 TWB606 - Jul 17, 08:54 UTCJul 17, 09:15 UTC20m
2026-07-17 TWB605 - Jul 17, 04:54 UTCJul 17, 05:15 UTC20m
2026-07-17 TWB286 - Jul 17, 01:49 UTCJul 17, 02:50 UTC1h 0m

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 HL8067 page for operator, model, and routing details .

Mode-S 71C067 frequently asked

What is Mode-S code 71C067?
71C067 is an ICAO 24-bit transponder address. Allocated to Korea, South. Assigned to HL8067.
Where is Mode-S 71C067 registered?
Mode-S code 71C067 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 71C067 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:05 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 71C067, octal 34340147, decimal 7,454,823.
What flights does 71C067 operate?
Mode-S 71C067 has broadcast 20 distinct callsigns, including TWB664, TWB652, TWB849, TWB663, TWB311.