Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

845F9F

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA11KZ · BOEING 747-8

Hex
845F9F
Octal
41057637
Decimal
8,675,231
Country
JP
Tail
JA11KZ
Type
B748
No current signal · last broadcast Jul 26, 21:10 UTC
Flights observed
272
Distinct callsigns
20
Country
JP
Last broadcast
Jul 26, 21:10 UTC

Last known position

Most recent position reported by Mode-S 845F9F.

Country allocation

The ICAO 24-bit address 845F9F 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 31 2026-07-26
NCA202 Nippon Cargo Airlines 21 2026-07-26
NCA134 - 16 2026-07-14
NCA038 Nippon Cargo Airlines 16 2026-07-18
NCA004 - 16 2026-06-26
NCA209 Nippon Cargo Airlines 13 2026-06-03
NCA254 - 12 2026-06-24
NCA101 - 12 2026-07-17
NCA225 Nippon Cargo Airlines 11 2026-07-22
NCA108 - 11 2026-07-17
NCA049 Nippon Cargo Airlines 11 2026-06-27
NCA235 Nippon Cargo Airlines 9 2026-06-24
NCA241 Nippon Cargo Airlines 8 2026-07-24
NCA227 - 8 2026-07-01
NCA206 Nippon Cargo Airlines 8 2026-06-03
NCA143 - 8 2026-07-15
NCA039 Nippon Cargo Airlines 8 2026-07-19
NCA242 Nippon Cargo Airlines 7 2026-07-24
NCA5175 Nippon Cargo Airlines 6 2026-07-25
NCA5164 Nippon Cargo Airlines 4 2026-07-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 NCA202 HKG → NRT Jul 26, 19:50 UTCJul 26, 21:10 UTC1h 20m
2026-07-26 NCA203 NRT → HKG Jul 26, 16:50 UTCJul 26, 17:05 UTC15m
2026-07-26 NCA203 NRT → HKG Jul 26, 13:10 UTCJul 26, 16:15 UTC3h 5m
2026-07-25 NCA5175 DFW → JFK Jul 25, 21:35 UTCJul 26, 04:20 UTC6h 45m
2026-07-25 NCA5175 DFW → JFK Jul 25, 12:50 UTCJul 25, 20:05 UTC7h 15m
2026-07-25 NCA5175 DFW → JFK Jul 25, 07:30 UTCJul 25, 10:20 UTC2h 50m
2026-07-24 NCA5164 NRT → ANC Jul 24, 23:15 UTCJul 25, 04:45 UTC5h 30m
2026-07-24 NCA5164 NRT → ANC Jul 24, 14:55 UTCJul 24, 21:20 UTC6h 25m
2026-07-24 NCA242 TPE → NRT Jul 24, 09:15 UTCJul 24, 10:35 UTC1h 20m
2026-07-24 NCA242 TPE → NRT Jul 24, 07:50 UTCJul 24, 08:00 UTC10m
2026-07-24 NCA241 NRT → TPE Jul 24, 04:10 UTCJul 24, 04:35 UTC25m
2026-07-24 NCA241 NRT → TPE Jul 24, 01:45 UTCJul 24, 02:55 UTC1h 10m
2026-07-23 NCA202 HKG → NRT Jul 23, 18:50 UTCJul 23, 22:35 UTC3h 45m
2026-07-23 NCA203 NRT → HKG Jul 23, 11:50 UTCJul 23, 15:45 UTC3h 55m
2026-07-22 NCA202 HKG → NRT Jul 22, 20:20 UTCJul 23, 00:00 UTC3h 40m
2026-07-22 NCA203 - Jul 22, 13:50 UTCJul 22, 17:35 UTC3h 45m
2026-07-22 NCA225 NRT → PVG Jul 22, 02:20 UTCJul 22, 11:35 UTC9h 15m
2026-07-21 NCA115 JFK → ANC Jul 21, 15:05 UTCJul 21, 22:00 UTC6h 55m
2026-07-21 NCA115 JFK → ANC Jul 21, 06:50 UTCJul 21, 13:40 UTC6h 50m
2026-07-20 NCA114 NRT → ANC Jul 20, 22:10 UTCJul 21, 04:30 UTC6h 19m
2026-07-20 NCA114 NRT → ANC Jul 20, 13:15 UTCJul 20, 20:25 UTC7h 10m
2026-07-19 NCA039 FRA → NRT Jul 19, 13:25 UTCJul 20, 01:25 UTC12h 0m
2026-07-18 NCA038 ANC → FRA Jul 18, 23:05 UTCJul 19, 07:25 UTC8h 20m
2026-07-18 NCA038 ANC → FRA Jul 18, 14:55 UTCJul 18, 21:10 UTC6h 15m
2026-07-17 NCA101 - Jul 17, 14:30 UTCJul 18, 00:35 UTC10h 5m
2026-07-17 NCA108 - Jul 17, 01:39 UTCJul 17, 11:30 UTC9h 50m
2026-07-16 NCA228 - Jul 16, 13:54 UTCJul 16, 22:45 UTC8h 50m
2026-07-16 NCA242 - Jul 16, 09:10 UTCJul 16, 10:29 UTC1h 20m
2026-07-16 NCA242 - Jul 16, 07:40 UTCJul 16, 07:50 UTC10m
2026-07-16 NCA241 - Jul 16, 03:15 UTCJul 16, 03:40 UTC25m
2026-07-16 NCA241 - Jul 16, 00:50 UTCJul 16, 02:05 UTC1h 15m
2026-07-15 NCA143 ORD → NRT Jul 15, 10:15 UTCJul 15, 22:10 UTC11h 55m
2026-07-14 NCA134 - Jul 14, 22:35 UTCJul 15, 03:45 UTC5h 9m
2026-07-14 NCA134 - Jul 14, 14:20 UTCJul 14, 21:10 UTC6h 50m
2026-07-13 NCA143 - Jul 13, 16:35 UTCJul 14, 04:50 UTC12h 15m
2026-07-13 NCA134 ANC → ORD Jul 13, 07:50 UTCJul 13, 13:20 UTC5h 30m
2026-07-13 NCA134 - Jul 13, 00:15 UTCJul 13, 06:20 UTC6h 5m
2026-07-12 NCA143 - Jul 12, 08:50 UTCJul 12, 21:05 UTC12h 15m
2026-07-11 NCA134 - Jul 11, 22:50 UTCJul 12, 04:20 UTC5h 30m
2026-07-11 NCA134 - Jul 11, 14:45 UTCJul 11, 21:10 UTC6h 25m
2026-07-10 NCA039 FRA → NRT Jul 10, 19:50 UTCJul 11, 08:05 UTC12h 15m
2026-07-10 NCA038 ANC → FRA Jul 10, 07:50 UTCJul 10, 16:25 UTC8h 35m
2026-07-09 NCA038 - Jul 9, 23:20 UTCJul 10, 05:50 UTC6h 30m
2026-07-09 NCA226 - Jul 9, 01:45 UTCJul 9, 12:45 UTC11h 0m
2026-07-08 NCA202 HKG → NRT Jul 8, 18:50 UTCJul 8, 22:40 UTC3h 50m
2026-07-08 NCA203 - Jul 8, 11:40 UTCJul 8, 15:35 UTC3h 55m
2026-07-07 NCA101 - Jul 7, 14:20 UTCJul 8, 01:15 UTC10h 55m
2026-07-07 NCA108 - Jul 7, 01:30 UTCJul 7, 10:55 UTC9h 25m
2026-07-06 NCA202 - Jul 6, 18:50 UTCJul 6, 22:30 UTC3h 40m
2026-07-06 NCA203 - Jul 6, 11:45 UTCJul 6, 15:30 UTC3h 45m

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 JA11KZ page for operator, model, and routing details .

Mode-S 845F9F frequently asked

What is Mode-S code 845F9F?
845F9F is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA11KZ.
Where is Mode-S 845F9F registered?
Mode-S code 845F9F is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 845F9F broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:10 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 845F9F, octal 41057637, decimal 8,675,231.
What flights does 845F9F operate?
Mode-S 845F9F has broadcast 20 distinct callsigns, including NCA203, NCA202, NCA134, NCA038, NCA004.