Apparatus

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sensors Mode-S transponder

71C385

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

Currently assigned to HL8385 · AIRBUS A-320

Hex
71C385
Octal
34341605
Decimal
7,455,621
Country
KR
Tail
HL8385
Type
A320
Broadcasting now · callsign EOK318 · 14,575 ft
Flights observed
490
Distinct callsigns
20
Country
KR
Last broadcast
Jul 26, 13:05 UTC

Current position

71C385 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 71C385 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
EOK614 - 27 2026-07-25
EOK613 Aero K 27 2026-07-25
EOK610 Aero K 27 2026-07-25
EOK609 Aero K 27 2026-07-25
EOK511 - 23 2026-07-12
EOK393 Aero K 21 2026-07-23
EOK311 Aero K 19 2026-07-26
EOK312 Aero K 18 2026-07-25
EOK512 - 17 2026-07-12
EOK394 Aero K 17 2026-07-22
EOK351 - 16 2026-07-13
EOK341 - 16 2026-07-07
EOK342 - 15 2026-07-07
EOK386 Aero K 14 2026-07-26
EOK385 Aero K 13 2026-07-26
EOK332 - 12 2026-06-18
EOK331 - 12 2026-06-18
EOK352 - 11 2026-07-12
EOK324 - 11 2026-07-17
EOK323 - 11 2026-07-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EOK305 KIX → CJJ Jul 26, 11:55 UTCJul 26, 13:05 UTC1h 10m
2026-07-26 EOK306 CJJ → KIX Jul 26, 09:25 UTCJul 26, 10:35 UTC1h 10m
2026-07-26 EOK385 HIJ → CJJ Jul 26, 06:55 UTCJul 26, 07:50 UTC55m
2026-07-26 EOK386 CJJ → HIJ Jul 26, 04:45 UTCJul 26, 05:45 UTC1h 0m
2026-07-26 EOK311 KIX → CJJ Jul 26, 02:05 UTCJul 26, 03:15 UTC1h 10m
2026-07-25 EOK312 CJJ → KIX Jul 25, 23:40 UTCJul 26, 00:55 UTC1h 15m
2026-07-25 EOK614 - Jul 25, 13:00 UTCJul 25, 13:35 UTC35m
2026-07-25 EOK613 CJJ → CJU Jul 25, 10:05 UTCJul 25, 10:30 UTC25m
2026-07-25 EOK610 CJU → CJJ Jul 25, 08:20 UTCJul 25, 08:50 UTC30m
2026-07-25 EOK609 CJJ → CJU Jul 25, 06:05 UTCJul 25, 06:35 UTC30m
2026-07-25 EOK391 NRT → CJJ Jul 25, 01:55 UTCJul 25, 03:35 UTC1h 40m
2026-07-24 EOK392 CJJ → NRT Jul 24, 22:35 UTCJul 25, 00:30 UTC1h 55m
2026-07-24 EOK614 - Jul 24, 13:10 UTCJul 24, 13:35 UTC25m
2026-07-24 EOK613 CJJ → CJU Jul 24, 09:50 UTCJul 24, 10:20 UTC30m
2026-07-24 EOK610 CJU → CJJ Jul 24, 07:55 UTCJul 24, 08:25 UTC30m
2026-07-24 EOK609 CJJ → CJU Jul 24, 05:35 UTCJul 24, 06:05 UTC30m
2026-07-24 EOK373 - Jul 24, 03:15 UTCJul 24, 03:55 UTC40m
2026-07-23 EOK374 - Jul 23, 23:20 UTCJul 24, 00:05 UTC45m
2026-07-23 EOK614 - Jul 23, 12:55 UTCJul 23, 13:25 UTC30m
2026-07-23 EOK613 CJJ → CJU Jul 23, 10:20 UTCJul 23, 10:50 UTC30m
2026-07-23 EOK610 CJU → CJJ Jul 23, 08:40 UTCJul 23, 09:10 UTC30m
2026-07-23 EOK609 CJJ → CJU Jul 23, 06:25 UTCJul 23, 06:55 UTC30m
2026-07-23 EOK393 OKA → CJJ Jul 23, 00:50 UTCJul 23, 02:30 UTC1h 40m
2026-07-22 EOK394 CJJ → OKA Jul 22, 22:05 UTCJul 22, 23:40 UTC1h 35m
2026-07-22 EOK305 - Jul 22, 11:55 UTCJul 22, 13:00 UTC1h 5m
2026-07-22 EOK306 - Jul 22, 11:10 UTCJul 22, 11:25 UTC15m
2026-07-22 EOK386 CJJ → HIJ Jul 22, 04:35 UTCJul 22, 05:25 UTC50m
2026-07-22 EOK393 OKA → CJJ Jul 22, 02:05 UTCJul 22, 02:35 UTC30m
2026-07-22 EOK393 OKA → CJJ Jul 22, 01:00 UTCJul 22, 01:15 UTC15m
2026-07-21 EOK394 CJJ → OKA Jul 21, 22:10 UTCJul 21, 23:50 UTC1h 40m
2026-07-21 EOK395 OKA → CJJ Jul 21, 12:15 UTCJul 21, 13:55 UTC1h 40m
2026-07-21 EOK396 CJJ → OKA Jul 21, 09:00 UTCJul 21, 10:50 UTC1h 50m
2026-07-21 EOK371 KKJ → CJJ Jul 21, 06:50 UTCJul 21, 07:30 UTC40m
2026-07-21 EOK372 CJJ → KKJ Jul 21, 04:40 UTCJul 21, 05:25 UTC45m
2026-07-21 EOK393 OKA → CJJ Jul 21, 01:15 UTCJul 21, 02:50 UTC1h 35m
2026-07-20 EOK394 CJJ → OKA Jul 20, 22:10 UTCJul 20, 23:50 UTC1h 40m
2026-07-20 EOK305 - Jul 20, 12:00 UTCJul 20, 13:05 UTC1h 5m
2026-07-20 EOK306 - Jul 20, 09:15 UTCJul 20, 10:35 UTC1h 20m
2026-07-20 EOK385 HIJ → CJJ Jul 20, 06:50 UTCJul 20, 07:50 UTC1h 0m
2026-07-20 EOK386 CJJ → HIJ Jul 20, 04:35 UTCJul 20, 05:45 UTC1h 10m
2026-07-20 EOK311 KIX → CJJ Jul 20, 02:10 UTCJul 20, 03:15 UTC1h 5m
2026-07-19 EOK312 CJJ → KIX Jul 19, 23:40 UTCJul 20, 00:55 UTC1h 15m
2026-07-19 EOK614 - Jul 19, 12:50 UTCJul 19, 13:20 UTC30m
2026-07-19 EOK613 - Jul 19, 09:45 UTCJul 19, 10:15 UTC30m
2026-07-19 EOK610 - Jul 19, 07:40 UTCJul 19, 08:10 UTC30m
2026-07-19 EOK609 CJJ → CJU Jul 19, 05:40 UTCJul 19, 06:05 UTC25m
2026-07-19 EOK391 - Jul 19, 01:55 UTCJul 19, 03:40 UTC1h 45m
2026-07-18 EOK392 - Jul 18, 22:40 UTCJul 19, 00:30 UTC1h 50m
2026-07-18 EOK614 - Jul 18, 13:00 UTCJul 18, 13:30 UTC30m
2026-07-18 EOK613 - Jul 18, 10:25 UTCJul 18, 10:55 UTC30m

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 HL8385 page for operator, model, and routing details .

Mode-S 71C385 frequently asked

What is Mode-S code 71C385?
71C385 is an ICAO 24-bit transponder address. Allocated to Korea, South. Assigned to HL8385.
Where is Mode-S 71C385 registered?
Mode-S code 71C385 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 71C385 broadcasting right now?
Yes. Mode-S 71C385 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 71C385, octal 34341605, decimal 7,455,621.
What flights does 71C385 operate?
Mode-S 71C385 has broadcast 20 distinct callsigns, including EOK614, EOK613, EOK610, EOK609, EOK511.