Apparatus

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sensors Mode-S transponder

7822B9

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-32N5 · AIRBUS A-321neo

Hex
7822B9
Octal
36021271
Decimal
7,873,209
Country
CN
Tail
B-32N5
Type
A21N
No current signal · last broadcast 8h ago
Flights observed
319
Distinct callsigns
20
Country
CN
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S 7822B9.

Country allocation

The ICAO 24-bit address 7822B9 falls within the block assigned to China (CN) by ICAO Annex 10, Volume III. Every aircraft registered in China 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
CSN8047 - 17 2026-07-11
CSN8048 - 14 2026-07-11
CSN8118 - 12 2026-07-14
CSN8117 - 11 2026-07-14
CSN5031 - 9 2026-06-21
CSN8354 - 8 2026-07-12
CSN5032 - 8 2026-06-21
CSN8353 - 7 2026-07-12
CSN3649 - 7 2026-06-26
CSN3633 China Southern Airlines 5 2026-05-16
CSN3369 - 5 2026-07-10
CSN3365 China Southern Airlines 5 2026-06-09
CSN8495 China Southern Airlines 4 2026-06-03
CSN8097 China Southern Airlines 4 2026-06-08
CSN6850 China Southern Airlines 4 2026-06-01
CSN6849 China Southern Airlines 4 2026-05-31
CSN6592 - 4 2026-07-06
CSN5080 China Southern Airlines 4 2026-06-03
CSN3650 - 4 2026-06-17
CSN3613 - 4 2026-06-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 CSN8587 - Jul 14, 13:30 UTCJul 14, 13:40 UTC10m
2026-07-14 CSN8118 - Jul 14, 09:35 UTCJul 14, 09:55 UTC20m
2026-07-14 CSN8118 - Jul 14, 05:45 UTCJul 14, 06:20 UTC35m
2026-07-14 CSN8117 - Jul 14, 03:40 UTCJul 14, 04:00 UTC20m
2026-07-14 CSN8117 - Jul 14, 00:40 UTCJul 14, 01:00 UTC20m
2026-07-13 CSN3558 - Jul 13, 12:10 UTCJul 13, 12:55 UTC45m
2026-07-13 CSN3557 - Jul 13, 07:30 UTCJul 13, 07:40 UTC10m
2026-07-13 CSN6969 - Jul 13, 00:45 UTCJul 13, 01:01 UTC15m
2026-07-12 CSN8354 - Jul 12, 21:45 UTCJul 12, 22:05 UTC20m
2026-07-12 CSN8354 - Jul 12, 17:20 UTCJul 12, 18:50 UTC1h 30m
2026-07-12 CSN8353 - Jul 12, 15:25 UTCJul 12, 15:45 UTC20m
2026-07-12 CSN8353 - Jul 12, 11:30 UTCJul 12, 11:40 UTC10m
2026-07-12 CSN8118 - Jul 12, 09:15 UTCJul 12, 09:25 UTC10m
2026-07-12 CSN8118 - Jul 12, 05:45 UTCJul 12, 06:15 UTC30m
2026-07-12 CSN8117 - Jul 12, 03:15 UTCJul 12, 03:40 UTC25m
2026-07-12 CSN8117 - Jul 12, 00:25 UTCJul 12, 00:35 UTC10m
2026-07-11 CSN8048 - Jul 11, 18:10 UTCJul 11, 18:25 UTC15m
2026-07-11 CSN8048 - Jul 11, 14:45 UTCJul 11, 15:15 UTC30m
2026-07-11 CSN8047 - Jul 11, 12:50 UTCJul 11, 13:15 UTC25m
2026-07-11 CSN8047 - Jul 11, 09:45 UTCJul 11, 10:15 UTC30m
2026-07-11 CSN3566 - Jul 11, 07:55 UTCJul 11, 08:20 UTC25m
2026-07-11 CSN3565 - Jul 11, 01:40 UTCJul 11, 01:50 UTC10m
2026-07-10 CSN3369 - Jul 10, 07:05 UTCJul 10, 11:05 UTC4h 0m
2026-07-10 CSN3369 - Jul 10, 04:40 UTCJul 10, 04:50 UTC10m
2026-07-10 CSN3590 - Jul 10, 01:30 UTCJul 10, 02:20 UTC50m
2026-07-09 CSN3589 - Jul 9, 12:15 UTCJul 9, 12:25 UTC10m
2026-07-09 CSN8965 - Jul 9, 05:15 UTCJul 9, 05:30 UTC15m
2026-07-08 CSN3641 - Jul 8, 13:40 UTCJul 8, 13:50 UTC10m
2026-07-08 CSN3160 - Jul 8, 11:55 UTCJul 8, 12:05 UTC10m
2026-07-08 CSN3159 - Jul 8, 03:00 UTCJul 8, 03:10 UTC10m
2026-07-07 CSN3174 - Jul 7, 18:20 UTCJul 7, 18:35 UTC15m
2026-07-07 CSN5862 - Jul 7, 05:40 UTCJul 7, 05:50 UTC10m
2026-07-07 CSN5861 - Jul 7, 00:00 UTCJul 7, 00:10 UTC10m
2026-07-06 CSN5920 - Jul 6, 21:25 UTCJul 6, 21:35 UTC10m
2026-07-06 CSN5919 - Jul 6, 10:50 UTCJul 6, 11:10 UTC20m
2026-07-06 CSN6592 - Jul 6, 09:05 UTCJul 6, 09:15 UTC10m
2026-07-06 CSN6591 - Jul 6, 01:40 UTCJul 6, 01:50 UTC10m
2026-07-05 CSN8165 - Jul 5, 11:00 UTCJul 5, 11:10 UTC10m
2026-07-05 CSN3176 - Jul 5, 08:20 UTCJul 5, 08:35 UTC15m
2026-07-05 CSN3171 - Jul 5, 00:30 UTCJul 5, 00:45 UTC15m
2026-07-04 CSN6498 - Jul 4, 21:05 UTCJul 4, 21:15 UTC10m
2026-07-04 CSN6497 - Jul 4, 14:30 UTCJul 4, 14:40 UTC10m
2026-07-04 CSN3552 - Jul 4, 12:40 UTCJul 4, 13:00 UTC20m
2026-07-04 CSN3551 - Jul 4, 05:10 UTCJul 4, 05:20 UTC10m
2026-07-03 CSN3828 - Jul 3, 14:40 UTCJul 3, 14:50 UTC10m
2026-07-03 CSN3827 - Jul 3, 09:05 UTCJul 3, 09:15 UTC10m
2026-07-03 CSN3171 - Jul 3, 00:00 UTCJul 3, 00:15 UTC15m
2026-07-02 CSN5842 - Jul 2, 15:20 UTCJul 2, 15:30 UTC10m
2026-07-02 CSN5841 - Jul 2, 08:40 UTCJul 2, 08:55 UTC15m
2026-07-02 CSN3566 - Jul 2, 06:35 UTCJul 2, 06:45 UTC10m

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 B-32N5 page for operator, model, and routing details .

Mode-S 7822B9 frequently asked

What is Mode-S code 7822B9?
7822B9 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-32N5.
Where is Mode-S 7822B9 registered?
Mode-S code 7822B9 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7822B9 broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7822B9, octal 36021271, decimal 7,873,209.
What flights does 7822B9 operate?
Mode-S 7822B9 has broadcast 20 distinct callsigns, including CSN8047, CSN8048, CSN8118, CSN8117, CSN5031.