Apparatus

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sensors Mode-S transponder

841C48

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA07WJ · AIRBUS A-350-1000

Hex
841C48
Octal
41016110
Decimal
8,657,992
Country
JP
Tail
JA07WJ
Type
A35K
Broadcasting now · callsign JAL11 · 15,000 ft
Flights observed
80
Distinct callsigns
12
Country
JP
Last broadcast
5h ago

Current position

841C48 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 841C48 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 12 distinct

Callsign Airline Flights Last seen
JAL5 Japan Airlines 12 2026-05-05
JAL4 Japan Airlines 9 2026-05-27
JAL6 Japan Airlines 8 2026-05-05
JAL15 Japan Airlines 8 2026-05-26
JAL12 Japan Airlines 8 2026-05-29
JAL11 Japan Airlines 8 2026-05-29
JAL16 Japan Airlines 7 2026-05-26
JAL44 Japan Airlines 6 2026-05-17
JAL3 Japan Airlines 5 2026-05-28
JAL46 Japan Airlines 3 2026-05-23
JAL45 Japan Airlines 3 2026-05-23
JAL43 Japan Airlines 3 2026-05-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 JAL11 DFW → HND May 29, 17:30 UTCMay 30, 00:20 UTC6h 50m
2026-05-29 JAL12 HND → DFW May 29, 03:05 UTCMay 29, 14:05 UTC11h 0m
2026-05-28 JAL3 JFK → HND May 28, 05:55 UTCMay 28, 19:25 UTC13h 30m
2026-05-27 JAL4 HND → JFK May 27, 11:05 UTCMay 27, 23:15 UTC12h 10m
2026-05-26 JAL15 LAX → HND May 26, 21:00 UTCMay 27, 08:15 UTC11h 15m
2026-05-26 JAL16 HND → LAX May 26, 08:54 UTCMay 26, 18:19 UTC9h 25m
2026-05-25 JAL11 DFW → HND May 25, 17:15 UTCMay 26, 05:34 UTC12h 19m
2026-05-25 JAL12 HND → DFW May 25, 02:25 UTCMay 25, 13:35 UTC11h 10m
2026-05-23 JAL46 CDG → HND May 23, 19:15 UTCMay 24, 08:15 UTC13h 0m
2026-05-23 JAL45 HND → CDG May 23, 02:00 UTCMay 23, 15:55 UTC13h 55m
2026-05-21 JAL15 LAX → HND May 21, 21:00 UTCMay 22, 08:20 UTC11h 20m
2026-05-21 JAL16 HND → LAX May 21, 09:05 UTCMay 21, 18:10 UTC9h 5m
2026-05-20 JAL11 DFW → HND May 20, 17:30 UTCMay 21, 06:25 UTC12h 55m
2026-05-20 JAL12 HND → DFW May 20, 02:10 UTCMay 20, 13:00 UTC10h 51m
2026-05-19 JAL3 JFK → HND May 19, 06:15 UTCMay 19, 19:25 UTC13h 10m
2026-05-18 JAL4 HND → JFK May 18, 11:00 UTCMay 18, 23:20 UTC12h 19m
2026-05-17 JAL44 LHR → HND May 17, 18:50 UTCMay 18, 08:01 UTC13h 10m
2026-05-17 JAL43 HND → LHR May 17, 01:20 UTCMay 17, 14:55 UTC13h 35m
2026-05-14 JAL15 LAX → HND May 14, 21:05 UTCMay 15, 07:50 UTC10h 45m
2026-05-14 JAL16 HND → LAX May 14, 08:55 UTCMay 14, 18:10 UTC9h 15m
2026-05-13 JAL11 DFW → HND May 13, 17:10 UTCMay 14, 05:35 UTC12h 25m
2026-05-13 JAL12 HND → DFW May 13, 02:25 UTCMay 13, 13:31 UTC11h 5m
2026-05-11 JAL44 LHR → HND May 11, 19:15 UTCMay 12, 08:50 UTC13h 35m
2026-05-11 JAL43 HND → LHR May 11, 01:15 UTCMay 11, 14:50 UTC13h 35m
2026-05-10 JAL3 JFK → HND May 10, 06:04 UTCMay 10, 19:05 UTC13h 0m
2026-05-09 JAL4 HND → JFK May 9, 11:30 UTCMay 9, 23:35 UTC12h 5m
2026-05-08 JAL15 LAX → HND May 8, 21:10 UTCMay 9, 08:45 UTC11h 35m
2026-05-08 JAL16 HND → LAX May 8, 08:59 UTCMay 8, 18:15 UTC9h 15m
2026-05-07 JAL11 DFW → HND May 7, 17:05 UTCMay 8, 06:25 UTC13h 20m
2026-05-07 JAL12 HND → DFW May 7, 02:30 UTCMay 7, 13:35 UTC11h 5m
2026-05-05 JAL5 JFK → HND May 5, 17:55 UTCMay 6, 07:25 UTC13h 30m
2026-05-05 JAL6 HND → JFK May 5, 02:35 UTCMay 5, 14:30 UTC11h 55m
2026-05-03 JAL15 LAX → HND May 3, 21:14 UTCMay 4, 08:40 UTC11h 25m
2026-05-03 JAL16 HND → LAX May 3, 09:15 UTCMay 3, 18:50 UTC9h 35m
2026-05-02 JAL11 DFW → HND May 2, 17:20 UTCMay 3, 06:25 UTC13h 4m
2026-05-02 JAL12 HND → DFW May 2, 02:20 UTCMay 2, 13:35 UTC11h 15m
2026-04-30 JAL44 LHR → HND Apr 30, 18:40 UTCMay 1, 07:50 UTC13h 10m
2026-04-30 JAL43 HND → LHR Apr 30, 01:10 UTCApr 30, 14:50 UTC13h 40m
2026-04-29 JAL3 JFK → HND Apr 29, 06:00 UTCApr 29, 19:15 UTC13h 16m
2026-04-28 JAL4 HND → JFK Apr 28, 11:00 UTCApr 28, 23:00 UTC12h 0m
2026-04-27 JAL46 CDG → HND Apr 27, 18:45 UTCApr 28, 07:45 UTC13h 0m
2026-04-27 JAL45 HND → CDG Apr 27, 02:05 UTCApr 27, 15:40 UTC13h 35m
2026-04-26 JAL15 LAX → HND Apr 26, 07:35 UTCApr 26, 08:20 UTC45m
2026-04-25 JAL15 LAX → HND Apr 25, 21:05 UTCApr 25, 22:10 UTC1h 5m
2026-04-25 JAL16 HND → LAX Apr 25, 09:00 UTCApr 25, 18:00 UTC9h 0m
2026-04-24 JAL11 DFW → HND Apr 24, 17:10 UTCApr 25, 06:05 UTC12h 55m
2026-04-24 JAL12 HND → DFW Apr 24, 02:20 UTCApr 24, 13:15 UTC10h 55m
2026-04-22 JAL15 LAX → HND Apr 22, 21:00 UTCApr 23, 08:20 UTC11h 20m
2026-04-22 JAL16 HND → LAX Apr 22, 09:10 UTCApr 22, 18:15 UTC9h 5m
2026-04-21 JAL11 DFW → HND Apr 21, 17:20 UTCApr 22, 05:50 UTC12h 30m

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 JA07WJ page for operator, model, and routing details .

Mode-S 841C48 frequently asked

What is Mode-S code 841C48?
841C48 is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA07WJ.
Where is Mode-S 841C48 registered?
Mode-S code 841C48 is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 841C48 broadcasting right now?
Yes. Mode-S 841C48 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 841C48, octal 41016110, decimal 8,657,992.
What flights does 841C48 operate?
Mode-S 841C48 has broadcast 12 distinct callsigns, including JAL5, JAL4, JAL6, JAL15, JAL12.