Apparatus

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sensors Mode-S transponder

84224A

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA09JC · ATR-42-600

Hex
84224A
Octal
41021112
Decimal
8,659,530
Country
JP
Tail
JA09JC
Type
AT46
No current signal · last broadcast 1h ago
Flights observed
102
Distinct callsigns
20
Country
JP
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 84224A.

Country allocation

The ICAO 24-bit address 84224A 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
JL2326 Japan Airlines 8 2026-05-27
JL2325 Japan Airlines 8 2026-05-27
JL2324 - 8 2026-05-28
JL2323 Japan Airlines 8 2026-05-28
JL2450 Japan Airlines 7 2026-05-27
JL3716 Japan Airlines 6 2026-05-16
JL3715 Japan Airlines 6 2026-05-16
JL2451 Japan Airlines 6 2026-05-28
JL3653 Japan Airlines 5 2026-05-10
JL3555 Japan Airlines 5 2026-05-30
JL3554 Japan Airlines 5 2026-05-30
JL3550 Japan Airlines 5 2026-05-10
JL3867 Japan Airlines 4 2026-05-17
JL3866 Japan Airlines 4 2026-05-20
JL3673 Japan Airlines 4 2026-05-30
JL3551 Japan Airlines 4 2026-05-09
JL3654 Japan Airlines 3 2026-05-30
JL3686 Japan Airlines 1 2026-05-22
JL3676 - 1 2026-05-09
JC4231 - 1 2026-05-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 JL3554 IZO → FUK May 30, 10:45 UTCMay 30, 11:10 UTC25m
2026-05-30 JL3555 FUK → IZO May 30, 09:20 UTCMay 30, 09:55 UTC35m
2026-05-30 JL3673 FUK → KUM May 30, 05:00 UTCMay 30, 05:10 UTC10m
2026-05-30 JL3654 KOJ → FUK May 30, 03:35 UTCMay 30, 03:45 UTC10m
2026-05-28 JL2451 ITM → KUM May 28, 02:40 UTCMay 28, 03:15 UTC35m
2026-05-28 JL2324 - May 28, 01:10 UTCMay 28, 01:30 UTC20m
2026-05-28 JL2323 ITM → TJH May 28, 00:10 UTCMay 28, 00:20 UTC10m
2026-05-27 JL2326 TJH → ITM May 27, 09:15 UTCMay 27, 09:35 UTC20m
2026-05-27 JL2325 ITM → TJH May 27, 08:10 UTCMay 27, 08:25 UTC15m
2026-05-27 JL2450 KUM → ITM May 27, 06:55 UTCMay 27, 07:10 UTC15m
2026-05-22 JL3686 MYJ → KOJ May 22, 12:05 UTCMay 22, 12:15 UTC10m
2026-05-22 JL2451 ITM → KUM May 22, 02:35 UTCMay 22, 03:05 UTC30m
2026-05-22 JL2324 - May 22, 01:25 UTCMay 22, 01:50 UTC25m
2026-05-22 JL2323 - May 22, 00:15 UTCMay 22, 00:30 UTC15m
2026-05-21 JL2326 TJH → ITM May 21, 09:30 UTCMay 21, 09:50 UTC20m
2026-05-21 JL2325 ITM → TJH May 21, 08:20 UTCMay 21, 08:40 UTC20m
2026-05-21 JL2450 KUM → ITM May 21, 07:10 UTCMay 21, 07:40 UTC30m
2026-05-20 JL3866 RNJ → OKA May 20, 05:50 UTCMay 20, 06:15 UTC25m
2026-05-20 JL3866 RNJ → OKA May 20, 04:30 UTCMay 20, 04:50 UTC21m
2026-05-19 JL2451 ITM → KUM May 19, 02:30 UTCMay 19, 03:00 UTC30m
2026-05-19 JL2324 - May 19, 01:15 UTCMay 19, 01:35 UTC20m
2026-05-19 JL2323 - May 19, 00:10 UTCMay 19, 00:25 UTC15m
2026-05-18 JL2326 TJH → ITM May 18, 09:15 UTCMay 18, 09:40 UTC25m
2026-05-18 JL2325 ITM → TJH May 18, 08:20 UTCMay 18, 08:35 UTC15m
2026-05-18 JL2450 KUM → ITM May 18, 07:10 UTCMay 18, 07:30 UTC20m
2026-05-17 JL3867 OKA → ASJ May 17, 05:20 UTCMay 17, 05:40 UTC20m
2026-05-17 JL3866 RNJ → OKA May 17, 03:40 UTCMay 17, 03:55 UTC15m
2026-05-16 JL3715 OKA → OKE May 16, 05:46 UTCMay 16, 06:01 UTC15m
2026-05-16 JL3716 OKE → OKA May 16, 04:10 UTCMay 16, 04:25 UTC15m
2026-05-15 JL3715 OKA → OKE May 15, 05:45 UTCMay 15, 06:00 UTC15m
2026-05-15 JL3716 OKE → OKA May 15, 04:05 UTCMay 15, 04:20 UTC15m
2026-05-13 JC4231 - May 13, 01:55 UTCMay 13, 02:05 UTC10m
2026-05-12 JL3715 OKA → OKE May 12, 05:55 UTCMay 12, 06:15 UTC20m
2026-05-12 JL3716 OKE → OKA May 12, 04:40 UTCMay 12, 04:55 UTC15m
2026-05-11 JL3867 OKA → ASJ May 11, 05:00 UTCMay 11, 05:25 UTC25m
2026-05-11 JL3866 RNJ → OKA May 11, 03:45 UTCMay 11, 04:00 UTC15m
2026-05-10 JL3653 FUK → KOJ May 10, 04:04 UTCMay 10, 04:19 UTC15m
2026-05-10 JL3550 IZO → FUK May 10, 02:24 UTCMay 10, 03:14 UTC50m
2026-05-09 JL3551 FUK → IZO May 9, 22:30 UTCMay 9, 23:05 UTC35m
2026-05-09 JL3554 IZO → FUK May 9, 10:20 UTCMay 9, 10:45 UTC25m
2026-05-09 JL3555 FUK → IZO May 9, 08:45 UTCMay 9, 09:20 UTC35m
2026-05-09 JL3676 - May 9, 07:20 UTCMay 9, 07:45 UTC25m
2026-05-09 JL3673 FUK → KUM May 9, 05:05 UTCMay 9, 05:25 UTC20m
2026-05-09 JL3654 KOJ → FUK May 9, 03:40 UTCMay 9, 04:00 UTC20m
2026-05-08 JL3715 OKA → OKE May 8, 05:54 UTCMay 8, 06:09 UTC15m
2026-05-08 JL3716 OKE → OKA May 8, 04:09 UTCMay 8, 04:29 UTC20m
2026-05-04 JL2324 - May 4, 01:24 UTCMay 4, 01:44 UTC20m
2026-05-04 JL2323 - May 4, 00:15 UTCMay 4, 00:25 UTC10m
2026-05-03 JL2326 TJH → ITM May 3, 09:20 UTCMay 3, 09:40 UTC20m
2026-05-03 JL2325 ITM → TJH May 3, 08:10 UTCMay 3, 08:25 UTC15m

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 JA09JC page for operator, model, and routing details .

Mode-S 84224A frequently asked

What is Mode-S code 84224A?
84224A is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA09JC.
Where is Mode-S 84224A registered?
Mode-S code 84224A is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 84224A 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 84224A, octal 41021112, decimal 8,659,530.
What flights does 84224A operate?
Mode-S 84224A has broadcast 20 distinct callsigns, including JL2326, JL2325, JL2324, JL2323, JL2450.