sensors Mode-S transponder

846844

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA141A · AIRBUS A-321neo

Hex
846844
Octal
41064104
Decimal
8,677,444
Country
JP
Tail
JA141A
Type
A21N
No current signal · last broadcast 12h ago
Flights observed
277
Distinct callsigns
20
Country
JP
Last broadcast
12h ago

Last known position

Most recent position reported by Mode-S 846844.

Country allocation

The ICAO 24-bit address 846844 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

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 ANA390 YGJ → HND May 29, 11:25 UTCMay 29, 12:15 UTC50m
2026-05-29 ANA387 HND → YGJ May 29, 09:25 UTCMay 29, 10:20 UTC55m
2026-05-29 ANA298 TTJ → HND May 29, 07:15 UTCMay 29, 08:05 UTC50m
2026-05-29 ANA295 HND → TTJ May 29, 05:15 UTCMay 29, 06:05 UTC50m
2026-05-29 ANA386 YGJ → HND May 29, 02:40 UTCMay 29, 03:55 UTC1h 15m
2026-05-29 ANA383 HND → YGJ May 29, 00:35 UTCMay 29, 01:25 UTC50m
2026-05-28 ANA986 ITM → HND May 28, 22:15 UTCMay 28, 22:55 UTC40m
2026-05-28 ANA740 SDJ → ITM May 28, 10:10 UTCMay 28, 11:10 UTC1h 0m
2026-05-28 ANA737 ITM → SDJ May 28, 08:05 UTCMay 28, 08:50 UTC45m
2026-05-28 ANA746 HKD → ITM May 28, 04:50 UTCMay 28, 06:10 UTC1h 20m
2026-05-28 ANA745 ITM → HKD May 28, 02:25 UTCMay 28, 03:50 UTC1h 25m
2026-05-28 ANA17 HND → ITM May 28, 00:25 UTCMay 28, 01:10 UTC45m
2026-05-27 ANA412 UKB → HND May 27, 22:15 UTCMay 27, 23:15 UTC1h 0m
2026-05-27 ANA415 HND → UKB May 27, 12:05 UTCMay 27, 12:55 UTC50m
2026-05-27 ANA700 UBJ → HND May 27, 09:35 UTCMay 27, 10:50 UTC1h 15m
2026-05-27 ANA697 HND → UBJ May 27, 07:05 UTCMay 27, 08:15 UTC1h 10m
2026-05-27 ANA646 KMJ → HND May 27, 04:09 UTCMay 27, 05:09 UTC1h 0m
2026-05-27 ANA643 HND → KMJ May 27, 01:29 UTCMay 27, 02:54 UTC1h 25m
2026-05-26 ANA699C - May 26, 10:10 UTCMay 26, 11:20 UTC1h 10m
2026-05-26 ANA742 KUH → HND May 26, 05:05 UTCMay 26, 06:29 UTC1h 25m
2026-05-26 ANA741 HND → KUH May 26, 02:49 UTCMay 26, 03:55 UTC1h 5m
2026-05-26 ANA96 KIX → HND May 26, 00:39 UTCMay 26, 01:34 UTC55m
2026-05-25 ANA93 HND → KIX May 25, 22:44 UTCMay 25, 23:40 UTC55m
2026-05-25 ANA416 UKB → HND May 25, 12:20 UTCMay 25, 13:20 UTC1h 0m
2026-05-25 ANA578 CTS → UKB May 25, 09:50 UTCMay 25, 11:15 UTC1h 25m
2026-05-25 ANA1105 HND → CTS May 25, 06:50 UTCMay 25, 08:10 UTC1h 20m
2026-05-25 ANA696 UBJ → HND May 25, 04:10 UTCMay 25, 05:25 UTC1h 15m
2026-05-25 ANA693 HND → UBJ May 25, 01:55 UTCMay 25, 02:50 UTC55m
2026-05-24 ANA620 KOJ → HND May 24, 23:30 UTCMay 24, 23:46 UTC16m
2026-05-24 ANA629 HND → KOJ May 24, 10:35 UTCMay 24, 11:45 UTC1h 10m
2026-05-24 ANA456 HSG → HND May 24, 07:00 UTCMay 24, 08:35 UTC1h 35m
2026-05-24 ANA453 HND → HSG May 24, 04:25 UTCMay 24, 05:45 UTC1h 20m
2026-05-24 ANA282 TKS → HND May 24, 02:05 UTCMay 24, 03:00 UTC55m
2026-05-24 ANA281P HND → TKS May 24, 00:20 UTCMay 24, 01:05 UTC45m
2026-05-23 ANA652 OKJ → HND May 23, 22:20 UTCMay 23, 23:15 UTC55m
2026-05-23 ANA659 HND → OKJ May 23, 11:30 UTCMay 23, 12:25 UTC55m
2026-05-23 ANA400 SYO → HND May 23, 09:10 UTCMay 23, 09:50 UTC40m
2026-05-23 ANA397 HND → SYO May 23, 07:35 UTCMay 23, 08:00 UTC25m
2026-05-23 ANA742 KUH → HND May 23, 05:20 UTCMay 23, 06:35 UTC1h 15m
2026-05-23 ANA741 HND → KUH May 23, 02:45 UTCMay 23, 03:50 UTC1h 5m
2026-05-23 ANA96 KIX → HND May 23, 00:50 UTCMay 23, 01:35 UTC45m
2026-05-22 ANA93 HND → KIX May 22, 22:55 UTCMay 22, 23:45 UTC50m
2026-05-22 ANA540 TAK → HND May 22, 11:05 UTCMay 22, 12:05 UTC1h 0m
2026-05-22 ANA537 HND → TAK May 22, 09:10 UTCMay 22, 10:05 UTC55m
2026-05-22 ANA556 HKD → HND May 22, 06:55 UTCMay 22, 08:05 UTC1h 10m
2026-05-22 ANA555 HND → HKD May 22, 04:45 UTCMay 22, 05:55 UTC1h 10m
2026-05-22 ANA296 TTJ → HND May 22, 02:35 UTCMay 22, 03:30 UTC55m
2026-05-22 ANA293 HND → TTJ May 22, 00:40 UTCMay 22, 01:20 UTC40m
2026-05-21 ANA292 TTJ → HND May 21, 22:20 UTCMay 21, 23:10 UTC50m
2026-05-21 ANA299 HND → TTJ May 21, 11:05 UTCMay 21, 11:50 UTC45m

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 JA141A page for operator, model, and routing details .

Mode-S 846844 frequently asked

What is Mode-S code 846844?
846844 is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA141A.
Where is Mode-S 846844 registered?
Mode-S code 846844 is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 846844 broadcasting right now?
No active broadcast right now. Last signal was 12h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 846844, octal 41064104, decimal 8,677,444.
What flights does 846844 operate?
Mode-S 846844 has broadcast 20 distinct callsigns, including ANA457, ANA1862, ANA1278, ANA556, ANA555.