Apparatus

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sensors Mode-S transponder

846333

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA12KZ · BOEING 747-8

Hex
846333
Octal
41061463
Decimal
8,676,147
Country
JP
Tail
JA12KZ
Type
B748
No current signal · last broadcast 1h ago
Flights observed
118
Distinct callsigns
20
Country
JP
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 846333.

Country allocation

The ICAO 24-bit address 846333 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
NCA203 Nippon Cargo Airlines 13 2026-05-23
NCA101 Nippon Cargo Airlines 11 2026-05-15
NCA049 Nippon Cargo Airlines 11 2026-05-21
NCA108 Nippon Cargo Airlines 10 2026-05-15
NCA004 - 10 2026-05-20
NCA202 Nippon Cargo Airlines 9 2026-05-22
NCA263 Nippon Cargo Airlines 8 2026-05-01
NCA225 Nippon Cargo Airlines 6 2026-05-29
NCA262 Nippon Cargo Airlines 4 2026-05-02
NCA241 Nippon Cargo Airlines 4 2026-05-22
NCA172 Nippon Cargo Airlines 4 2026-05-03
NCA132 Nippon Cargo Airlines 4 2026-05-17
NCA114 - 4 2026-05-29
NCA242 Nippon Cargo Airlines 3 2026-05-22
NCA254 Nippon Cargo Airlines 2 2026-05-06
NCA227 Nippon Cargo Airlines 2 2026-05-13
NCA173 Nippon Cargo Airlines 2 2026-05-04
NCA141 Nippon Cargo Airlines 2 2026-05-17
NCA134 Nippon Cargo Airlines 2 2026-05-10
NCA115 - 2 2026-05-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 NCA114 - May 29, 22:30 UTCMay 30, 04:45 UTC6h 15m
2026-05-29 NCA114 - May 29, 15:00 UTCMay 29, 21:00 UTC6h 0m
2026-05-29 NCA225 NRT → PVG May 29, 01:45 UTCMay 29, 10:50 UTC9h 5m
2026-05-28 NCA602 NGO → NRT May 28, 18:20 UTCMay 28, 22:05 UTC3h 45m
2026-05-23 NCA203 NRT → HKG May 23, 14:15 UTCMay 23, 18:10 UTC3h 55m
2026-05-23 NCA225 NRT → PVG May 23, 03:20 UTCMay 23, 11:45 UTC8h 25m
2026-05-22 NCA202 HKG → NRT May 22, 21:15 UTCMay 23, 00:45 UTC3h 30m
2026-05-22 NCA203 NRT → HKG May 22, 14:05 UTCMay 22, 17:55 UTC3h 50m
2026-05-22 NCA242 TPE → NRT May 22, 08:45 UTCMay 22, 11:35 UTC2h 49m
2026-05-22 NCA241 NRT → TPE May 22, 05:25 UTCMay 22, 05:50 UTC25m
2026-05-22 NCA241 NRT → TPE May 22, 02:50 UTCMay 22, 04:00 UTC1h 10m
2026-05-21 NCA049 AMS → MXP May 21, 10:45 UTCMay 21, 23:25 UTC12h 40m
2026-05-21 NCA049 AMS → MXP May 21, 06:35 UTCMay 21, 07:50 UTC1h 15m
2026-05-20 NCA004 - May 20, 19:15 UTCMay 21, 03:10 UTC7h 55m
2026-05-20 NCA004 - May 20, 11:40 UTCMay 20, 17:50 UTC6h 10m
2026-05-20 NCA115 ANC → NRT May 20, 02:05 UTCMay 20, 08:55 UTC6h 51m
2026-05-19 NCA115 JFK → ANC May 19, 18:15 UTCMay 20, 00:55 UTC6h 40m
2026-05-18 NCA114 - May 18, 21:15 UTCMay 19, 03:40 UTC6h 25m
2026-05-18 NCA114 - May 18, 12:55 UTCMay 18, 19:25 UTC6h 29m
2026-05-17 NCA141 ORD → NRT May 17, 18:30 UTCMay 18, 06:25 UTC11h 55m
2026-05-17 NCA132 NRT → ORD May 17, 10:15 UTCMay 17, 15:40 UTC5h 25m
2026-05-17 NCA132 NRT → ORD May 17, 02:10 UTCMay 17, 08:25 UTC6h 15m
2026-05-16 NCA202 HKG → NRT May 16, 19:05 UTCMay 16, 23:00 UTC3h 55m
2026-05-16 NCA203 NRT → HKG May 16, 11:55 UTCMay 16, 15:40 UTC3h 45m
2026-05-15 NCA101 LAX → NRT May 15, 15:30 UTCMay 16, 03:00 UTC11h 30m
2026-05-15 NCA108 NRT → LAX May 15, 03:35 UTCMay 15, 12:35 UTC9h 0m
2026-05-14 NCA101 LAX → NRT May 14, 14:30 UTCMay 15, 01:05 UTC10h 35m
2026-05-14 NCA108 NRT → LAX May 14, 01:20 UTCMay 14, 10:20 UTC9h 0m
2026-05-13 NCA227 NRT → PVG May 13, 13:35 UTCMay 13, 22:40 UTC9h 5m
2026-05-13 NCA225 NRT → PVG May 13, 00:55 UTCMay 13, 10:25 UTC9h 30m
2026-05-12 NCA202 HKG → NRT May 12, 18:00 UTCMay 12, 21:35 UTC3h 35m
2026-05-12 NCA203 NRT → HKG May 12, 14:45 UTCMay 12, 15:05 UTC20m
2026-05-12 NCA203 NRT → HKG May 12, 10:50 UTCMay 12, 14:10 UTC3h 20m
2026-05-11 NCA143 LAX → NRT May 11, 11:10 UTCMay 11, 18:30 UTC7h 21m
2026-05-10 NCA134 ANC → ORD May 10, 22:09 UTCMay 11, 03:10 UTC5h 0m
2026-05-10 NCA134 ANC → ORD May 10, 14:20 UTCMay 10, 20:25 UTC6h 5m
2026-05-10 NCA225 NRT → PVG May 10, 01:50 UTCMay 10, 10:19 UTC8h 30m
2026-05-09 NCA049 AMS → MXP May 9, 10:35 UTCMay 9, 23:00 UTC12h 25m
2026-05-09 NCA049 AMS → MXP May 9, 06:50 UTCMay 9, 08:05 UTC1h 15m
2026-05-08 NCA004 ANC → AMS May 8, 19:55 UTCMay 9, 03:55 UTC8h 0m
2026-05-08 NCA004 - May 8, 11:40 UTCMay 8, 17:35 UTC5h 55m
2026-05-07 NCA101 LAX → NRT May 7, 14:15 UTCMay 8, 00:44 UTC10h 29m
2026-05-07 NCA108 NRT → LAX May 7, 01:25 UTCMay 7, 10:50 UTC9h 25m
2026-05-06 NCA227 NRT → PVG May 6, 13:50 UTCMay 6, 22:20 UTC8h 29m
2026-05-06 NCA254 BKK → NRT May 6, 05:20 UTCMay 6, 10:40 UTC5h 21m
2026-05-05 NCA254 BKK → NRT May 5, 23:40 UTCMay 6, 01:20 UTC1h 40m
2026-05-05 NCA235 NRT → SIN May 5, 14:05 UTCMay 5, 20:35 UTC6h 30m
2026-05-04 NCA173 DFW → NRT May 4, 08:50 UTCMay 4, 22:10 UTC13h 21m
2026-05-03 NCA172 ANC → DFW May 3, 22:09 UTCMay 4, 03:30 UTC5h 20m
2026-05-03 NCA172 ANC → DFW May 3, 14:00 UTCMay 3, 20:05 UTC6h 5m

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 JA12KZ page for operator, model, and routing details .

Mode-S 846333 frequently asked

What is Mode-S code 846333?
846333 is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA12KZ.
Where is Mode-S 846333 registered?
Mode-S code 846333 is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 846333 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 846333, octal 41061463, decimal 8,676,147.
What flights does 846333 operate?
Mode-S 846333 has broadcast 20 distinct callsigns, including NCA203, NCA101, NCA049, NCA108, NCA004.