Apparatus

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sensors Mode-S transponder

845BDE

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA10JC · ATR-42-600

Hex
845BDE
Octal
41055736
Decimal
8,674,270
Country
JP
Tail
JA10JC
Type
AT46
No current signal · last broadcast 1d ago
Flights observed
184
Distinct callsigns
20
Country
JP
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 845BDE.

Country allocation

The ICAO 24-bit address 845BDE 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
JL3555 - 15 2026-07-10
JL3673 - 13 2026-07-10
JL3551 Japan Airlines 13 2026-07-05
JL3550 - 13 2026-07-06
JL3653 - 12 2026-07-06
JL3554 - 11 2026-07-05
JL2325 - 11 2026-06-26
JL2324 - 11 2026-06-27
JL2323 - 11 2026-06-27
JL2451 - 9 2026-06-27
JL2326 - 9 2026-06-26
JL3867 - 7 2026-07-13
JL3686 Japan Airlines 7 2026-06-21
JL2450 - 7 2026-06-25
JL3866 - 6 2026-07-09
JL3676 - 6 2026-07-10
JL3654 - 5 2026-07-10
JL3715 Japan Airlines 3 2026-05-14
JL3716 Japan Airlines 2 2026-05-14
JC4230 - 2 2026-06-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 JL3867 - Jul 13, 05:50 UTCJul 13, 06:15 UTC25m
2026-07-13 JAL3866 - Jul 13, 04:20 UTCJul 13, 04:45 UTC25m
2026-07-11 JAL3653 - Jul 11, 04:10 UTCJul 11, 04:30 UTC20m
2026-07-11 JAL3550 - Jul 11, 02:20 UTCJul 11, 02:55 UTC35m
2026-07-10 JAL3551 - Jul 10, 22:30 UTCJul 10, 23:10 UTC40m
2026-07-10 JL3555 - Jul 10, 10:25 UTCJul 10, 10:55 UTC30m
2026-07-10 JL3555 - Jul 10, 08:40 UTCJul 10, 09:20 UTC40m
2026-07-10 JL3676 - Jul 10, 07:05 UTCJul 10, 07:20 UTC15m
2026-07-10 JL3673 - Jul 10, 05:05 UTCJul 10, 05:20 UTC15m
2026-07-10 JL3654 - Jul 10, 03:25 UTCJul 10, 03:45 UTC20m
2026-07-09 JL3867 - Jul 9, 05:25 UTCJul 9, 05:50 UTC25m
2026-07-09 JL3866 - Jul 9, 04:10 UTCJul 9, 04:25 UTC15m
2026-07-06 JL3653 - Jul 6, 04:15 UTCJul 6, 04:35 UTC20m
2026-07-06 JL3550 - Jul 6, 02:05 UTCJul 6, 02:55 UTC50m
2026-07-05 JL3551 FUK → IZO Jul 5, 22:30 UTCJul 5, 23:10 UTC40m
2026-07-05 JL3554 - Jul 5, 10:35 UTCJul 5, 11:00 UTC25m
2026-07-05 JL3555 - Jul 5, 09:00 UTCJul 5, 09:35 UTC35m
2026-07-05 JL3676 - Jul 5, 07:15 UTCJul 5, 07:30 UTC15m
2026-07-05 JL3673 - Jul 5, 05:05 UTCJul 5, 05:25 UTC20m
2026-07-05 JL3654 - Jul 5, 03:30 UTCJul 5, 03:45 UTC15m
2026-06-27 JL2451 - Jun 27, 03:15 UTCJun 27, 03:44 UTC30m
2026-06-27 JL2324 - Jun 27, 01:59 UTCJun 27, 02:20 UTC20m
2026-06-27 JL2323 - Jun 27, 00:25 UTCJun 27, 01:09 UTC45m
2026-06-26 JL2326 - Jun 26, 09:20 UTCJun 26, 09:39 UTC20m
2026-06-26 JL2325 - Jun 26, 08:15 UTCJun 26, 08:34 UTC20m
2026-06-26 JL2324 - Jun 26, 01:54 UTCJun 26, 02:14 UTC20m
2026-06-26 JL2323 ITM → TJH Jun 26, 00:24 UTCJun 26, 00:39 UTC15m
2026-06-25 JL2326 - Jun 25, 09:29 UTCJun 25, 09:55 UTC25m
2026-06-25 JL2325 - Jun 25, 08:30 UTCJun 25, 08:45 UTC15m
2026-06-25 JL2450 - Jun 25, 06:55 UTCJun 25, 07:19 UTC25m
2026-06-23 JL3653 - Jun 23, 04:19 UTCJun 23, 04:29 UTC10m
2026-06-23 JL3550 - Jun 23, 02:09 UTCJun 23, 02:34 UTC25m
2026-06-22 JL3551 FUK → IZO Jun 22, 22:34 UTCJun 22, 23:10 UTC35m
2026-06-22 JL3555 - Jun 22, 10:25 UTCJun 22, 10:49 UTC25m
2026-06-22 JL3555 - Jun 22, 08:54 UTCJun 22, 09:30 UTC35m
2026-06-22 JL3673 - Jun 22, 05:04 UTCJun 22, 05:20 UTC15m
2026-06-21 JL3686 MYJ → KOJ Jun 21, 11:20 UTCJun 21, 11:30 UTC10m
2026-06-20 JL3653 - Jun 20, 04:29 UTCJun 20, 04:39 UTC10m
2026-06-20 JL3550 - Jun 20, 02:35 UTCJun 20, 02:59 UTC25m
2026-06-19 JL3551 FUK → IZO Jun 19, 22:30 UTCJun 19, 23:00 UTC30m
2026-06-19 JAL3554 - Jun 19, 10:35 UTCJun 19, 10:59 UTC25m
2026-06-19 JAL3555 - Jun 19, 08:54 UTCJun 19, 09:30 UTC35m
2026-06-17 JL2451 - Jun 17, 02:55 UTCJun 17, 03:25 UTC30m
2026-06-17 JL2324 - Jun 17, 01:25 UTCJun 17, 01:45 UTC20m
2026-06-17 JL2323 ITM → TJH Jun 17, 00:20 UTCJun 17, 00:35 UTC15m
2026-06-16 JL2326 - Jun 16, 10:09 UTCJun 16, 10:35 UTC25m
2026-06-16 JL2325 - Jun 16, 09:10 UTCJun 16, 09:25 UTC15m
2026-06-16 JL2450 - Jun 16, 08:05 UTCJun 16, 08:25 UTC20m
2026-06-14 JL3686 MYJ → KOJ Jun 14, 11:25 UTCJun 14, 11:35 UTC10m
2026-06-14 JL2451 - Jun 14, 02:35 UTCJun 14, 03:00 UTC25m

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 JA10JC page for operator, model, and routing details .

Mode-S 845BDE frequently asked

What is Mode-S code 845BDE?
845BDE is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA10JC.
Where is Mode-S 845BDE registered?
Mode-S code 845BDE is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 845BDE broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 845BDE, octal 41055736, decimal 8,674,270.
What flights does 845BDE operate?
Mode-S 845BDE has broadcast 20 distinct callsigns, including JL3555, JL3673, JL3551, JL3550, JL3653.