Apparatus

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sensors Mode-S transponder

71C563

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

Currently assigned to HL8563 · AIRBUS A-320

Hex
71C563
Octal
34342543
Decimal
7,456,099
Country
KR
Tail
HL8563
Type
A320
No current signal · last broadcast 4h ago
Flights observed
260
Distinct callsigns
20
Country
KR
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S 71C563.

Country allocation

The ICAO 24-bit address 71C563 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
EOK313 Aero K 46 2026-05-29
EOK315 Aero K 45 2026-05-30
EOK314 Aero K 44 2026-05-28
EOK316 Aero K 42 2026-05-29
EOK387 Aero K 19 2026-05-29
EOK388 Aero K 17 2026-05-29
EOK5193 Aero K 10 2026-05-28
EOK5203 Aero K 9 2026-05-28
EOK881 Aero K 6 2026-05-05
EOK882 Aero K 5 2026-05-02
EOK321 - 4 2026-04-14
RF314 Aero K 2 2026-05-20
EOK394 Aero K 2 2026-04-14
EOK342 - 2 2026-04-14
EOK341 Aero K 2 2026-04-14
RF316 Aero K 1 2026-04-19
EOK393 Aero K 1 2026-04-15
EOK322 Aero K 1 2026-04-13
EOK312 Aero K 1 2026-04-15
EJOK314 - 1 2026-05-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 EOK315 KIX → ICN May 30, 00:10 UTCMay 30, 01:45 UTC1h 35m
2026-05-29 EOK316 ICN → KIX May 29, 21:30 UTCMay 29, 22:45 UTC1h 15m
2026-05-29 EOK313 KIX → ICN May 29, 13:15 UTCMay 29, 14:45 UTC1h 30m
2026-05-29 EJOK314 - May 29, 10:45 UTCMay 29, 12:05 UTC1h 20m
2026-05-29 EOK387 IBR → ICN May 29, 06:05 UTCMay 29, 08:20 UTC2h 15m
2026-05-29 EOK388 ICN → IBR May 29, 03:10 UTCMay 29, 04:55 UTC1h 45m
2026-05-29 EOK315 KIX → ICN May 29, 00:15 UTCMay 29, 01:45 UTC1h 30m
2026-05-28 EOK316 ICN → KIX May 28, 21:30 UTCMay 28, 22:45 UTC1h 15m
2026-05-28 EOK313 KIX → ICN May 28, 13:15 UTCMay 28, 14:40 UTC1h 25m
2026-05-28 EOK314 ICN → KIX May 28, 10:40 UTCMay 28, 12:05 UTC1h 25m
2026-05-28 EOK5203 HUN → ICN May 28, 06:55 UTCMay 28, 09:05 UTC2h 10m
2026-05-28 EOK5193 ICN → HUN May 28, 02:55 UTCMay 28, 04:55 UTC2h 0m
2026-05-28 EOK315 KIX → ICN May 28, 00:05 UTCMay 28, 01:35 UTC1h 30m
2026-05-27 EOK316 ICN → KIX May 27, 21:30 UTCMay 27, 22:50 UTC1h 20m
2026-05-27 EOK313 KIX → ICN May 27, 13:15 UTCMay 27, 14:40 UTC1h 25m
2026-05-27 EOK314 ICN → KIX May 27, 10:40 UTCMay 27, 12:00 UTC1h 20m
2026-05-27 EOK315 KIX → ICN May 27, 00:04 UTCMay 27, 00:39 UTC35m
2026-05-26 EOK316 ICN → KIX May 26, 21:25 UTCMay 26, 22:44 UTC1h 20m
2026-05-26 EOK313 KIX → ICN May 26, 13:19 UTCMay 26, 14:45 UTC1h 25m
2026-05-26 EOK314 ICN → KIX May 26, 10:50 UTCMay 26, 12:14 UTC1h 25m
2026-05-26 EOK315 KIX → ICN May 26, 00:09 UTCMay 26, 01:30 UTC1h 20m
2026-05-25 EOK316 ICN → KIX May 25, 21:30 UTCMay 25, 22:49 UTC1h 20m
2026-05-25 EOK313 KIX → ICN May 25, 13:15 UTCMay 25, 14:35 UTC1h 20m
2026-05-25 EOK314 ICN → KIX May 25, 10:40 UTCMay 25, 12:10 UTC1h 30m
2026-05-25 EOK387 IBR → ICN May 25, 06:10 UTCMay 25, 08:20 UTC2h 10m
2026-05-25 EOK388 ICN → IBR May 25, 03:10 UTCMay 25, 04:55 UTC1h 45m
2026-05-24 EOK316 ICN → KIX May 24, 21:30 UTCMay 24, 21:45 UTC15m
2026-05-24 EOK313 KIX → ICN May 24, 13:20 UTCMay 24, 14:40 UTC1h 20m
2026-05-24 EOK314 ICN → KIX May 24, 10:50 UTCMay 24, 12:15 UTC1h 25m
2026-05-24 EOK5203 HUN → ICN May 24, 06:50 UTCMay 24, 09:05 UTC2h 15m
2026-05-24 EOK5193 ICN → HUN May 24, 03:00 UTCMay 24, 05:00 UTC2h 0m
2026-05-24 EOK315 KIX → ICN May 24, 00:15 UTCMay 24, 01:45 UTC1h 30m
2026-05-23 EOK316 ICN → KIX May 23, 21:30 UTCMay 23, 22:50 UTC1h 20m
2026-05-23 EOK313 KIX → ICN May 23, 13:10 UTCMay 23, 14:40 UTC1h 30m
2026-05-23 EOK314 ICN → KIX May 23, 10:45 UTCMay 23, 12:10 UTC1h 25m
2026-05-23 EOK315 KIX → ICN May 23, 00:05 UTCMay 23, 01:30 UTC1h 25m
2026-05-22 EOK316 ICN → KIX May 22, 21:25 UTCMay 22, 22:45 UTC1h 20m
2026-05-22 EOK313 KIX → ICN May 22, 13:20 UTCMay 22, 14:40 UTC1h 20m
2026-05-22 EOK314 ICN → KIX May 22, 10:45 UTCMay 22, 12:10 UTC1h 25m
2026-05-22 EOK387 IBR → ICN May 22, 06:30 UTCMay 22, 08:45 UTC2h 15m
2026-05-22 EOK388 ICN → IBR May 22, 03:25 UTCMay 22, 05:15 UTC1h 50m
2026-05-22 EOK315 KIX → ICN May 22, 00:05 UTCMay 22, 01:35 UTC1h 30m
2026-05-21 EOK316 ICN → KIX May 21, 21:35 UTCMay 21, 23:00 UTC1h 25m
2026-05-21 EOK313 KIX → ICN May 21, 13:15 UTCMay 21, 14:40 UTC1h 25m
2026-05-21 EOK314 ICN → KIX May 21, 10:40 UTCMay 21, 12:10 UTC1h 30m
2026-05-21 EOK5203 HUN → ICN May 21, 06:50 UTCMay 21, 09:00 UTC2h 10m
2026-05-21 EOK5193 ICN → HUN May 21, 04:50 UTCMay 21, 05:10 UTC20m
2026-05-21 EOK5193 ICN → HUN May 21, 03:05 UTCMay 21, 03:30 UTC25m
2026-05-20 EOK315 KIX → ICN May 20, 23:55 UTCMay 21, 01:30 UTC1h 35m
2026-05-20 EOK316 ICN → KIX May 20, 21:25 UTCMay 20, 22:45 UTC1h 20m

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 HL8563 page for operator, model, and routing details .

Mode-S 71C563 frequently asked

What is Mode-S code 71C563?
71C563 is an ICAO 24-bit transponder address. Allocated to Korea, South. Assigned to HL8563.
Where is Mode-S 71C563 registered?
Mode-S code 71C563 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 71C563 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 71C563, octal 34342543, decimal 7,456,099.
What flights does 71C563 operate?
Mode-S 71C563 has broadcast 20 distinct callsigns, including EOK313, EOK315, EOK314, EOK316, EOK387.