Apparatus

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sensors Mode-S transponder

78213F

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-32HQ · AIRBUS A-320neo

Hex
78213F
Octal
36020477
Decimal
7,872,831
Country
CN
Tail
B-32HQ
Type
A20N
No current signal · last broadcast Jul 26, 06:05 UTC
Flights observed
111
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 06:05 UTC

Last known position

Most recent position reported by Mode-S 78213F.

Country allocation

The ICAO 24-bit address 78213F 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
CSN6315 - 12 2026-06-27
CSN6388 - 10 2026-07-05
CSN6403 - 6 2026-07-02
CSN6301 - 6 2026-07-06
CSN6387 - 5 2026-07-05
CSN5867 China Southern Airlines 5 2026-07-22
CSN8557 China Southern Airlines 4 2026-06-12
CSN6339 - 4 2026-06-28
CSN3602 China Southern Airlines 4 2026-06-20
CSN6529 China Southern Airlines 3 2026-07-21
CSN6469 China Southern Airlines 3 2026-07-19
CSN6347 China Southern Airlines 3 2026-07-21
CSN672 - 2 2026-06-23
CSN671 - 2 2026-06-23
CSN6674 China Southern Airlines 2 2026-06-22
CSN666 - 2 2026-06-22
CSN665 - 2 2026-06-21
CSN652 - 2 2026-06-25
CSN651 - 2 2026-06-25
CSN6316 - 2 2026-07-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CSN6505 SHE → PVG Jul 25, 14:25 UTCJul 26, 06:05 UTC15h 40m
2026-07-24 CSN3656 SHE → NKG Jul 24, 05:40 UTCJul 24, 09:30 UTC3h 50m
2026-07-23 CSN3656 SHE → NKG Jul 23, 12:20 UTCJul 24, 09:30 UTC21h 10m
2026-07-23 CSN6310 SZX → SHE Jul 23, 10:00 UTCJul 23, 10:15 UTC15m
2026-07-23 CSN6309 SHE → SZX Jul 23, 08:25 UTCJul 23, 08:35 UTC10m
2026-07-22 CSN5867 SHE → HGH Jul 22, 13:20 UTCJul 23, 06:05 UTC16h 45m
2026-07-22 CSN5867 SHE → HGH Jul 22, 00:50 UTCJul 22, 14:05 UTC13h 15m
2026-07-21 CSN6529 SHE → NGB Jul 21, 11:30 UTCJul 22, 01:35 UTC14h 5m
2026-07-21 CSN6347 SHE → CAN Jul 21, 04:50 UTCJul 21, 05:00 UTC10m
2026-07-19 CSN6470 CKG → SHE Jul 19, 10:40 UTCJul 20, 05:20 UTC18h 40m
2026-07-19 CSN6469 SHE → CKG Jul 19, 05:20 UTCJul 20, 01:40 UTC20h 20m
2026-07-18 CSN5867 - Jul 18, 12:50 UTCJul 19, 10:55 UTC22h 5m
2026-07-18 CSN5867 - Jul 18, 10:10 UTCJul 19, 05:45 UTC19h 35m
2026-07-18 CSN5867 - Jul 18, 02:45 UTCJul 18, 13:30 UTC10h 46m
2026-07-16 CSN5400 - Jul 16, 12:30 UTCJul 16, 12:40 UTC10m
2026-07-16 CSN5399 - Jul 16, 07:35 UTCJul 16, 07:45 UTC10m
2026-07-16 CSN8596 - Jul 16, 05:25 UTCJul 16, 05:45 UTC20m
2026-07-15 CSN8595 - Jul 15, 23:20 UTCJul 15, 23:30 UTC10m
2026-07-15 CSN5634 - Jul 15, 12:45 UTCJul 15, 13:05 UTC20m
2026-07-15 CSN5634 - Jul 15, 06:40 UTCJul 15, 10:30 UTC3h 50m
2026-07-09 CSN6469 - Jul 9, 05:40 UTCJul 9, 11:30 UTC5h 50m
2026-07-08 CSN6469 - Jul 8, 10:10 UTCJul 9, 06:00 UTC19h 50m
2026-07-07 CSN6367 - Jul 7, 17:30 UTCJul 8, 03:10 UTC9h 40m
2026-07-07 CSN6310 - Jul 7, 15:00 UTCJul 7, 15:15 UTC15m
2026-07-07 CSN6309 - Jul 7, 11:40 UTCJul 7, 11:55 UTC15m
2026-07-06 CSN6316 - Jul 6, 15:20 UTCJul 7, 08:00 UTC16h 40m
2026-07-06 CSN6316 - Jul 6, 07:55 UTCJul 7, 07:45 UTC23h 50m
2026-07-06 CSN6301 - Jul 6, 00:55 UTCJul 6, 15:35 UTC14h 40m
2026-07-05 CSN6388 - Jul 5, 15:55 UTCJul 6, 15:35 UTC23h 40m
2026-07-05 CSN6388 - Jul 5, 13:35 UTCJul 5, 13:45 UTC10m
2026-07-05 CSN6387 - Jul 5, 09:15 UTCJul 5, 09:35 UTC20m
2026-07-03 CSN6347 - Jul 3, 04:30 UTCJul 3, 12:05 UTC7h 35m
2026-07-02 CSN6347 - Jul 2, 15:55 UTCJul 3, 12:05 UTC20h 10m
2026-07-02 CSN6403 - Jul 2, 01:15 UTCJul 2, 16:00 UTC14h 45m
2026-07-01 CSN6403 - Jul 1, 07:15 UTCJul 2, 01:35 UTC18h 20m
2026-07-01 CSN6403 - Jul 1, 01:05 UTCJul 1, 15:50 UTC14h 45m
2026-06-30 CSN6403 - Jun 30, 07:55 UTCJul 1, 07:30 UTC23h 35m
2026-06-28 CSN6339 - Jun 28, 12:25 UTCJun 29, 06:05 UTC17h 40m
2026-06-28 CSN6339 - Jun 28, 08:34 UTCJun 29, 06:05 UTC21h 30m
2026-06-28 CSN6339 - Jun 28, 00:50 UTCJun 28, 12:44 UTC11h 55m
2026-06-27 CSN6301 - Jun 27, 13:04 UTCJun 28, 08:55 UTC19h 50m
2026-06-27 CSN6315 - Jun 27, 05:55 UTCJun 28, 01:04 UTC19h 10m
2026-06-27 CSN6315 - Jun 27, 02:29 UTCJun 28, 01:04 UTC22h 35m
2026-06-25 CSN5591 CSX → CAN Jun 25, 18:15 UTCJun 25, 18:24 UTC10m
2026-06-25 CSN652 - Jun 25, 03:29 UTCJun 25, 03:54 UTC25m
2026-06-25 CSN651 - Jun 25, 00:55 UTCJun 25, 01:19 UTC25m
2026-06-24 CSN682 - Jun 24, 03:44 UTCJun 24, 07:54 UTC4h 10m
2026-06-24 CSN681 - Jun 24, 02:00 UTCJun 24, 02:24 UTC25m
2026-06-23 CSN672 - Jun 23, 12:49 UTCJun 24, 01:24 UTC12h 35m
2026-06-23 CSN671 - Jun 23, 10:59 UTCJun 23, 11:24 UTC25m

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-32HQ page for operator, model, and routing details .

Mode-S 78213F frequently asked

What is Mode-S code 78213F?
78213F is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-32HQ.
Where is Mode-S 78213F registered?
Mode-S code 78213F is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 78213F broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 06:05 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 78213F, octal 36020477, decimal 7,872,831.
What flights does 78213F operate?
Mode-S 78213F has broadcast 20 distinct callsigns, including CSN6315, CSN6388, CSN6403, CSN6301, CSN6387.