sensors Mode-S transponder

861BD2

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA608J · BOEING 767-300

Hex
861BD2
Octal
41415722
Decimal
8,788,946
Country
JP
Tail
JA608J
Type
B763
No current signal · last broadcast 1h ago
Flights observed
151
Distinct callsigns
17
Country
JP
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 861BD2.

Country allocation

The ICAO 24-bit address 861BD2 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 17 distinct

Callsign Airline Flights Last seen
JAL785 Japan Airlines 13 2026-05-28
JAL725 Japan Airlines 13 2026-05-26
JAL38 Japan Airlines 13 2026-05-28
JAL786 Japan Airlines 12 2026-05-27
JAL35 Japan Airlines 12 2026-05-29
JAL726 Japan Airlines 11 2026-05-26
JAL8663 Japan Airlines 10 2026-05-23
JAL751 Japan Airlines 10 2026-05-25
JAL712 Japan Airlines 10 2026-05-30
JAL8664 Japan Airlines 9 2026-05-23
JAL85 Japan Airlines 9 2026-05-29
JAL711 Japan Airlines 8 2026-05-28
JAL752 Japan Airlines 7 2026-05-21
JAL942 Japan Airlines 5 2026-05-27
JAL86 Japan Airlines 4 2026-05-20
JAL941 Japan Airlines 3 2026-05-13
JA8663 - 2 2026-04-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 JAL712 SIN → NRT May 30, 03:50 UTCMay 30, 04:10 UTC20m
2026-05-29 JAL35 HND → SIN May 29, 15:35 UTCMay 29, 22:05 UTC6h 30m
2026-05-29 JAL85 HND → PVG May 29, 04:05 UTCMay 29, 10:50 UTC6h 45m
2026-05-28 JAL38 SIN → HND May 28, 20:40 UTCMay 29, 00:40 UTC4h 0m
2026-05-28 JAL38 SIN → HND May 28, 18:10 UTCMay 28, 18:20 UTC10m
2026-05-28 JAL711 NRT → SIN May 28, 09:40 UTCMay 28, 13:40 UTC4h 0m
2026-05-28 JAL785 HNL → NRT May 28, 06:50 UTCMay 28, 07:35 UTC45m
2026-05-27 JAL785 HNL → NRT May 27, 23:40 UTCMay 27, 23:50 UTC10m
2026-05-27 JAL786 NRT → HNL May 27, 18:55 UTCMay 27, 19:05 UTC10m
2026-05-27 JAL786 NRT → HNL May 27, 12:00 UTCMay 27, 12:30 UTC30m
2026-05-27 JAL942 GUM → NRT May 27, 01:14 UTCMay 27, 09:55 UTC8h 41m
2026-05-26 JAL726 CGK → NRT May 26, 16:50 UTCMay 26, 22:05 UTC5h 15m
2026-05-26 JAL726 CGK → NRT May 26, 15:00 UTCMay 26, 15:09 UTC10m
2026-05-26 JAL725 NRT → CGK May 26, 02:49 UTCMay 26, 08:04 UTC5h 15m
2026-05-25 JAL751 NRT → HAN May 25, 09:40 UTCMay 25, 21:24 UTC11h 44m
2026-05-25 JAL785 HNL → NRT May 25, 06:55 UTCMay 25, 07:30 UTC35m
2026-05-24 JAL785 HNL → NRT May 24, 23:45 UTCMay 24, 23:46 UTC1m
2026-05-24 JAL786 NRT → HNL May 24, 18:45 UTCMay 24, 19:10 UTC25m
2026-05-24 JAL786 NRT → HNL May 24, 12:10 UTCMay 24, 12:40 UTC30m
2026-05-24 JAL942 GUM → NRT May 24, 01:10 UTCMay 24, 10:05 UTC8h 55m
2026-05-23 JAL8664 TPE → NRT May 23, 05:20 UTCMay 23, 08:05 UTC2h 45m
2026-05-23 JAL8663 NRT → TPE May 23, 00:15 UTCMay 23, 03:25 UTC3h 9m
2026-05-22 JAL726 CGK → NRT May 22, 16:50 UTCMay 22, 22:05 UTC5h 15m
2026-05-22 JAL726 CGK → NRT May 22, 15:05 UTCMay 22, 15:15 UTC10m
2026-05-22 JAL725 NRT → CGK May 22, 02:35 UTCMay 22, 07:50 UTC5h 15m
2026-05-21 JAL752 HAN → NRT May 21, 13:40 UTCMay 21, 21:30 UTC7h 50m
2026-05-21 JAL751 NRT → HAN May 21, 09:40 UTCMay 21, 11:10 UTC1h 30m
2026-05-21 JAL712 SIN → NRT May 21, 03:20 UTCMay 21, 06:55 UTC3h 35m
2026-05-20 JAL35 HND → SIN May 20, 15:30 UTCMay 20, 19:00 UTC3h 30m
2026-05-20 JAL86 PVG → HND May 20, 09:25 UTCMay 20, 10:50 UTC1h 25m
2026-05-20 JAL85 HND → PVG May 20, 03:10 UTCMay 20, 04:25 UTC1h 15m
2026-05-19 JAL38 SIN → HND May 19, 21:10 UTCMay 20, 00:30 UTC3h 20m
2026-05-19 JAL38 SIN → HND May 19, 18:05 UTCMay 19, 18:15 UTC10m
2026-05-19 JAL711 NRT → SIN May 19, 09:45 UTCMay 19, 13:15 UTC3h 30m
2026-05-18 JAL785 HNL → NRT May 18, 23:30 UTCMay 19, 07:30 UTC8h 0m
2026-05-18 JAL786 NRT → HNL May 18, 12:10 UTCMay 18, 19:05 UTC6h 54m
2026-05-18 JAL942 GUM → NRT May 18, 01:20 UTCMay 18, 10:00 UTC8h 40m
2026-05-17 JAL8664 TPE → NRT May 17, 05:00 UTCMay 17, 07:55 UTC2h 55m
2026-05-17 JAL8663 NRT → TPE May 17, 02:40 UTCMay 17, 03:05 UTC25m
2026-05-17 JAL8663 NRT → TPE May 17, 00:10 UTCMay 17, 01:15 UTC1h 5m
2026-05-16 JAL752 HAN → NRT May 16, 09:40 UTCMay 16, 21:25 UTC11h 45m
2026-05-16 JAL712 SIN → NRT May 16, 03:30 UTCMay 16, 07:05 UTC3h 36m
2026-05-16 JAL712 SIN → NRT May 16, 00:20 UTCMay 16, 00:30 UTC10m
2026-05-15 JAL35 HND → SIN May 15, 15:25 UTCMay 15, 21:45 UTC6h 20m
2026-05-15 JAL85 HND → PVG May 15, 03:10 UTCMay 15, 11:00 UTC7h 50m
2026-05-14 JAL38 SIN → HND May 14, 21:10 UTCMay 15, 00:35 UTC3h 25m
2026-05-14 JAL38 SIN → HND May 14, 18:15 UTCMay 14, 18:25 UTC10m
2026-05-14 JAL711 NRT → SIN May 14, 09:35 UTCMay 14, 13:25 UTC3h 50m
2026-05-13 JAL785 HNL → NRT May 13, 23:35 UTCMay 14, 07:40 UTC8h 5m
2026-05-13 JAL786 NRT → HNL May 13, 12:15 UTCMay 13, 19:05 UTC6h 50m

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 JA608J page for operator, model, and routing details .

Mode-S 861BD2 frequently asked

What is Mode-S code 861BD2?
861BD2 is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA608J.
Where is Mode-S 861BD2 registered?
Mode-S code 861BD2 is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 861BD2 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 861BD2, octal 41415722, decimal 8,788,946.
What flights does 861BD2 operate?
Mode-S 861BD2 has broadcast 17 distinct callsigns, including JAL785, JAL725, JAL38, JAL786, JAL35.