Apparatus

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sensors Mode-S transponder

845F72

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA11JC · ATR-42-600

Hex
845F72
Octal
41057562
Decimal
8,675,186
Country
JP
Tail
JA11JC
Type
AT46
No current signal · last broadcast 2d ago
Flights observed
93
Distinct callsigns
20
Country
JP
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S 845F72.

Country allocation

The ICAO 24-bit address 845F72 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
JL2325 Japan Airlines 7 2026-06-02
JL3716 Japan Airlines 6 2026-05-20
JL3715 Japan Airlines 6 2026-05-20
JL3673 Japan Airlines 6 2026-05-28
JL3653 Japan Airlines 6 2026-05-29
JL3555 Japan Airlines 6 2026-05-28
JL3554 Japan Airlines 6 2026-05-28
JL3867 Japan Airlines 5 2026-05-13
JL3551 Japan Airlines 5 2026-05-28
JL3550 Japan Airlines 5 2026-05-29
JL2450 Japan Airlines 5 2026-06-01
JL2324 - 5 2026-06-04
JL2323 Japan Airlines 5 2026-06-02
JL3866 Japan Airlines 4 2026-05-02
JL2451 Japan Airlines 4 2026-05-23
JL2326 Japan Airlines 4 2026-06-01
JL3686 Japan Airlines 2 2026-05-07
JC4231 - 2 2026-06-04
JL3676 - 1 2026-05-11
JL3654 Japan Airlines 1 2026-05-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-04 JC4231 - Jun 4, 02:30 UTCJun 4, 03:00 UTC30m
2026-06-04 JL2324 - Jun 4, 01:15 UTCJun 4, 01:35 UTC20m
2026-06-02 JL2325 ITM → TJH Jun 2, 08:10 UTCJun 2, 08:25 UTC15m
2026-06-02 JL2324 - Jun 2, 01:20 UTCJun 2, 01:40 UTC20m
2026-06-02 JL2323 ITM → TJH Jun 2, 00:15 UTCJun 2, 00:30 UTC15m
2026-06-01 JL2326 TJH → ITM Jun 1, 09:15 UTCJun 1, 09:35 UTC20m
2026-06-01 JL2325 ITM → TJH Jun 1, 08:15 UTCJun 1, 08:30 UTC15m
2026-06-01 JL2450 KUM → ITM Jun 1, 07:00 UTCJun 1, 07:25 UTC25m
2026-05-31 JL2323 ITM → TJH May 31, 00:35 UTCMay 31, 00:50 UTC15m
2026-05-30 JL2326 TJH → ITM May 30, 09:30 UTCMay 30, 09:50 UTC20m
2026-05-30 JL2325 ITM → TJH May 30, 08:35 UTCMay 30, 08:50 UTC15m
2026-05-30 JL2450 KUM → ITM May 30, 07:30 UTCMay 30, 07:55 UTC25m
2026-05-29 JL3653 FUK → KOJ May 29, 04:25 UTCMay 29, 04:35 UTC10m
2026-05-29 JL3550 IZO → FUK May 29, 02:10 UTCMay 29, 02:35 UTC25m
2026-05-28 JL3551 FUK → IZO May 28, 22:30 UTCMay 28, 23:10 UTC40m
2026-05-28 JL3554 IZO → FUK May 28, 10:30 UTCMay 28, 11:20 UTC50m
2026-05-28 JL3555 FUK → IZO May 28, 08:50 UTCMay 28, 09:25 UTC35m
2026-05-28 JL3673 FUK → KUM May 28, 05:00 UTCMay 28, 05:15 UTC15m
2026-05-28 JL3654 KOJ → FUK May 28, 03:45 UTCMay 28, 04:05 UTC20m
2026-05-23 JC4231 - May 23, 08:50 UTCMay 23, 09:20 UTC30m
2026-05-23 JL2451 ITM → KUM May 23, 07:35 UTCMay 23, 08:00 UTC25m
2026-05-23 JL2451 ITM → KUM May 23, 02:35 UTCMay 23, 03:10 UTC35m
2026-05-23 JL2324 - May 23, 01:20 UTCMay 23, 01:45 UTC25m
2026-05-23 JL2323 - May 23, 00:10 UTCMay 23, 00:30 UTC20m
2026-05-22 JL2325 ITM → TJH May 22, 09:20 UTCMay 22, 09:35 UTC15m
2026-05-22 JL2325 ITM → TJH May 22, 08:15 UTCMay 22, 08:30 UTC15m
2026-05-22 JL2450 KUM → ITM May 22, 07:10 UTCMay 22, 07:30 UTC20m
2026-05-20 JL3715 OKA → OKE May 20, 06:35 UTCMay 20, 06:55 UTC20m
2026-05-20 JL3716 OKE → OKA May 20, 05:05 UTCMay 20, 05:30 UTC25m
2026-05-19 JL3715 OKA → OKE May 19, 05:50 UTCMay 19, 06:05 UTC15m
2026-05-19 JL3716 OKE → OKA May 19, 04:15 UTCMay 19, 04:35 UTC20m
2026-05-18 JL3715 OKA → OKE May 18, 05:50 UTCMay 18, 06:05 UTC15m
2026-05-18 JL3716 OKE → OKA May 18, 04:00 UTCMay 18, 04:20 UTC20m
2026-05-17 JL3653 FUK → KOJ May 17, 04:10 UTCMay 17, 04:25 UTC15m
2026-05-17 JL3550 IZO → FUK May 17, 02:05 UTCMay 17, 02:30 UTC25m
2026-05-16 JL3551 FUK → IZO May 16, 22:25 UTCMay 16, 23:05 UTC40m
2026-05-16 JL3554 IZO → FUK May 16, 10:20 UTCMay 16, 10:40 UTC20m
2026-05-16 JL3555 FUK → IZO May 16, 08:46 UTCMay 16, 09:31 UTC45m
2026-05-16 JL3673 FUK → KUM May 16, 05:00 UTCMay 16, 05:10 UTC10m
2026-05-15 JL3653 FUK → KOJ May 15, 04:20 UTCMay 15, 04:30 UTC10m
2026-05-15 JL3550 IZO → FUK May 15, 02:25 UTCMay 15, 02:45 UTC20m
2026-05-14 JL3551 FUK → IZO May 14, 22:20 UTCMay 14, 23:05 UTC45m
2026-05-14 JL3554 IZO → FUK May 14, 10:25 UTCMay 14, 10:50 UTC25m
2026-05-14 JL3555 FUK → IZO May 14, 08:45 UTCMay 14, 09:25 UTC40m
2026-05-14 JL3673 FUK → KUM May 14, 05:00 UTCMay 14, 05:15 UTC15m
2026-05-13 JL3867 OKA → ASJ May 13, 05:10 UTCMay 13, 05:35 UTC25m
2026-05-12 JL3653 FUK → KOJ May 12, 04:10 UTCMay 12, 04:25 UTC15m
2026-05-11 JL3554 IZO → FUK May 11, 10:25 UTCMay 11, 10:45 UTC20m
2026-05-11 JL3555 FUK → IZO May 11, 09:00 UTCMay 11, 09:35 UTC35m
2026-05-11 JL3676 - May 11, 07:25 UTCMay 11, 07:50 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 JA11JC page for operator, model, and routing details .

Mode-S 845F72 frequently asked

What is Mode-S code 845F72?
845F72 is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA11JC.
Where is Mode-S 845F72 registered?
Mode-S code 845F72 is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 845F72 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 845F72, octal 41057562, decimal 8,675,186.
What flights does 845F72 operate?
Mode-S 845F72 has broadcast 20 distinct callsigns, including JL2325, JL3716, JL3715, JL3673, JL3653.