Apparatus

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sensors Mode-S transponder

861E56

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA610J · BOEING 767-300

Hex
861E56
Octal
41417126
Decimal
8,789,590
Country
JP
Tail
JA610J
Type
B763
Broadcasting now · callsign JAL634 · 32,125 ft
Flights observed
557
Distinct callsigns
20
Country
JP
Last broadcast
Jul 26, 13:45 UTC

Current position

861E56 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 861E56 falls within the block assigned to Japan (JP) by ICAO Annex 10, Volume III. Every aircraft registered in Japan 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
JAL987 - 20 2026-06-23
JAL567 - 16 2026-07-12
JAL564 - 16 2026-07-12
JAL616 Japan Airlines 15 2026-06-19
JAL570 Japan Airlines 15 2026-07-26
JAL278 - 15 2026-06-23
JAL925 Japan Airlines 14 2026-07-24
JAL280 Japan Airlines 14 2026-07-23
JAL279 - 14 2026-07-23
JAL277 - 14 2026-06-22
JAL276 Japan Airlines 14 2026-07-22
JAL555 Japan Airlines 13 2026-07-23
JAL988 - 12 2026-06-17
JAL913 Japan Airlines 12 2026-07-25
JAL639 Japan Airlines 12 2026-07-23
JAL622 Japan Airlines 12 2026-07-23
JAL579 Japan Airlines 12 2026-07-25
JAL573 Japan Airlines 12 2026-07-25
JAL556 - 12 2026-07-23
JAL287 - 12 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 JAL588 HKD → HND Jul 26, 12:20 UTCJul 26, 13:35 UTC1h 15m
2026-07-26 JAL589 HND → HKD Jul 26, 10:10 UTCJul 26, 11:20 UTC1h 10m
2026-07-26 JAL586 HKD → HND Jul 26, 07:40 UTCJul 26, 08:45 UTC1h 5m
2026-07-26 JAL587 HND → HKD Jul 26, 04:10 UTCJul 26, 05:15 UTC1h 5m
2026-07-26 JAL570 OBO → HND Jul 26, 01:30 UTCJul 26, 02:45 UTC1h 15m
2026-07-25 JAL573 HND → OBO Jul 25, 23:20 UTCJul 26, 00:20 UTC1h 0m
2026-07-25 JAL576 OBO → HND Jul 25, 11:35 UTCJul 25, 12:50 UTC1h 15m
2026-07-25 JAL579 HND → OBO Jul 25, 09:10 UTCJul 25, 10:10 UTC1h 0m
2026-07-25 JAL912 OKA → HND Jul 25, 05:30 UTCJul 25, 07:50 UTC2h 20m
2026-07-25 JAL913 HND → OKA Jul 25, 01:55 UTCJul 25, 04:05 UTC2h 10m
2026-07-24 JAL900A - Jul 24, 22:45 UTCJul 25, 00:45 UTC2h 0m
2026-07-24 JAL925 HND → OKA Jul 24, 12:20 UTCJul 24, 14:20 UTC2h 0m
2026-07-24 JAL634 - Jul 24, 09:35 UTCJul 24, 11:10 UTC1h 35m
2026-07-24 JAL633 HND → KMJ Jul 24, 06:25 UTCJul 24, 07:40 UTC1h 15m
2026-07-24 JAL256 HIJ → HND Jul 24, 03:55 UTCJul 24, 05:05 UTC1h 10m
2026-07-24 JAL257 HND → HIJ Jul 24, 01:55 UTCJul 24, 02:55 UTC1h 0m
2026-07-23 JAL622 KMJ → HND Jul 23, 23:00 UTCJul 24, 00:25 UTC1h 25m
2026-07-23 JAL639 HND → KMJ Jul 23, 10:35 UTCJul 23, 11:50 UTC1h 15m
2026-07-23 JAL556 AKJ → HND Jul 23, 07:50 UTCJul 23, 09:10 UTC1h 20m
2026-07-23 JAL555 HND → AKJ Jul 23, 05:35 UTCJul 23, 06:50 UTC1h 15m
2026-07-23 JAL280 IZO → HND Jul 23, 03:20 UTCJul 23, 04:15 UTC55m
2026-07-23 JAL279 - Jul 23, 01:20 UTCJul 23, 02:05 UTC45m
2026-07-22 JAL276 IZO → HND Jul 22, 22:55 UTCJul 22, 23:50 UTC55m
2026-07-22 JAL515 HND → CTS Jul 22, 04:30 UTCJul 22, 05:25 UTC55m
2026-07-22 JAL626 KMJ → HND Jul 22, 01:35 UTCJul 22, 03:00 UTC1h 25m
2026-07-21 JAL625 HND → KMJ Jul 21, 23:25 UTCJul 22, 00:40 UTC1h 15m
2026-07-21 JAL588 - Jul 21, 11:15 UTCJul 21, 12:20 UTC1h 5m
2026-07-21 JAL589 - Jul 21, 09:20 UTCJul 21, 10:20 UTC1h 0m
2026-07-21 JAL318 FUK → HND Jul 21, 06:30 UTCJul 21, 08:10 UTC1h 40m
2026-07-21 JAL317 HND → FUK Jul 21, 03:45 UTCJul 21, 04:45 UTC1h 0m
2026-07-21 JAL584 - Jul 21, 00:55 UTCJul 21, 01:55 UTC1h 0m
2026-07-20 JAL585 HND → HKD Jul 20, 22:55 UTCJul 20, 23:55 UTC59m
2026-07-20 JAL558 - Jul 20, 11:30 UTCJul 20, 12:50 UTC1h 20m
2026-07-20 JAL557 - Jul 20, 09:10 UTCJul 20, 10:25 UTC1h 15m
2026-07-20 JAL318 FUK → HND Jul 20, 06:15 UTCJul 20, 07:55 UTC1h 40m
2026-07-20 JAL317 HND → FUK Jul 20, 03:20 UTCJul 20, 04:25 UTC1h 5m
2026-07-20 JAL584 - Jul 20, 01:00 UTCJul 20, 02:05 UTC1h 5m
2026-07-19 JAL585 HND → HKD Jul 19, 22:55 UTCJul 19, 23:55 UTC1h 0m
2026-07-19 JAL588 - Jul 19, 11:00 UTCJul 19, 12:10 UTC1h 10m
2026-07-19 JAL589 HND → HKD Jul 19, 09:00 UTCJul 19, 10:05 UTC1h 5m
2026-07-19 JAL318 FUK → HND Jul 19, 06:15 UTCJul 19, 07:45 UTC1h 30m
2026-07-19 JAL317 HND → FUK Jul 19, 03:20 UTCJul 19, 04:50 UTC1h 30m
2026-07-19 JAL584 - Jul 19, 01:00 UTCJul 19, 02:05 UTC1h 5m
2026-07-18 JAL585 HND → HKD Jul 18, 22:55 UTCJul 18, 23:55 UTC1h 0m
2026-07-18 JAL588 - Jul 18, 10:45 UTCJul 18, 11:50 UTC1h 5m
2026-07-18 JAL589 - Jul 18, 08:35 UTCJul 18, 09:35 UTC1h 0m
2026-07-18 JAL318 - Jul 18, 05:50 UTCJul 18, 07:25 UTC1h 35m
2026-07-18 JAL317 - Jul 18, 03:20 UTCJul 18, 04:30 UTC1h 10m
2026-07-18 JAL584 - Jul 18, 01:00 UTCJul 18, 02:05 UTC1h 5m
2026-07-17 JAL585 HND → HKD Jul 17, 22:55 UTCJul 17, 23:55 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 JA610J page for operator, model, and routing details .

Mode-S 861E56 frequently asked

What is Mode-S code 861E56?
861E56 is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA610J.
Where is Mode-S 861E56 registered?
Mode-S code 861E56 is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 861E56 broadcasting right now?
Yes. Mode-S 861E56 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 861E56, octal 41417126, decimal 8,789,590.
What flights does 861E56 operate?
Mode-S 861E56 has broadcast 20 distinct callsigns, including JAL987, JAL567, JAL564, JAL616, JAL570.