Apparatus

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sensors Mode-S transponder

7808BF

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-6912 · AIRBUS A-321

Hex
7808BF
Octal
36004277
Decimal
7,866,559
Country
CN
Tail
B-6912
Type
A321
No current signal · last broadcast Jul 26, 14:00 UTC
Flights observed
264
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 14:00 UTC

Last known position

Most recent position reported by Mode-S 7808BF.

Country allocation

The ICAO 24-bit address 7808BF 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
CSN8076 - 12 2026-07-18
CSN8075 China Southern Airlines 10 2026-07-18
CSN3188 - 7 2026-07-04
CSN3155 China Southern Airlines 7 2026-07-20
CSN3191 - 6 2026-07-18
CSN8324 China Southern Airlines 5 2026-05-06
CSN8083 China Southern Airlines 5 2026-07-24
CSN3151 China Southern Airlines 5 2026-06-11
CSN8495 - 4 2026-07-01
CSN8466 - 4 2026-07-14
CSN8465 - 4 2026-07-15
CSN8323 China Southern Airlines 4 2026-05-06
CSN8084 China Southern Airlines 4 2026-07-24
CSN6551 - 4 2026-07-14
CSN6386 - 4 2026-06-22
CSN3583 - 4 2026-07-20
CSN3160 China Southern Airlines 4 2026-06-16
CSN3152 China Southern Airlines 4 2026-06-11
CSN8283 - 3 2026-07-01
CSN6922 - 3 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CSN3828 NKG → SZX Jul 26, 13:35 UTCJul 26, 14:00 UTC25m
2026-07-25 CSN3577 SZX → NKG Jul 25, 14:00 UTCJul 25, 14:10 UTC10m
2026-07-25 CSN6162 CTU → PKX Jul 25, 06:45 UTCJul 25, 07:00 UTC15m
2026-07-25 CSN6161 PKX → CTU Jul 25, 00:25 UTCJul 25, 00:50 UTC25m
2026-07-24 CSN3173 SZX → PKX Jul 24, 13:50 UTCJul 24, 14:20 UTC30m
2026-07-24 CSN3173 SZX → PKX Jul 24, 11:45 UTCJul 24, 12:00 UTC15m
2026-07-24 CSN8084 HAN → SZX Jul 24, 09:15 UTCJul 24, 09:25 UTC10m
2026-07-24 CSN8084 HAN → SZX Jul 24, 08:05 UTCJul 24, 08:15 UTC10m
2026-07-24 CSN8083 SZX → HAN Jul 24, 04:50 UTCJul 24, 05:05 UTC15m
2026-07-24 CSN6254 HAK → SZX Jul 24, 03:05 UTCJul 24, 03:20 UTC15m
2026-07-23 CSN6253 SZX → HAK Jul 23, 23:55 UTCJul 24, 00:10 UTC15m
2026-07-23 CSN6498 SYX → SZX Jul 23, 16:30 UTCJul 23, 16:50 UTC20m
2026-07-23 CSN6497 SZX → SYX Jul 23, 12:35 UTCJul 23, 12:50 UTC15m
2026-07-23 CSN8736 - Jul 23, 09:20 UTCJul 23, 09:35 UTC15m
2026-07-23 CSN8735 - Jul 23, 01:10 UTCJul 23, 01:20 UTC10m
2026-07-22 CSN3964 - Jul 22, 18:00 UTCJul 22, 18:20 UTC20m
2026-07-22 CSN3963 SZX → TAO Jul 22, 11:35 UTCJul 22, 11:50 UTC15m
2026-07-22 CSN3621 SZX → TFU Jul 22, 01:40 UTCJul 22, 01:55 UTC15m
2026-07-21 CSN3154 PEK → SZX Jul 21, 14:20 UTCJul 21, 14:40 UTC20m
2026-07-21 CSN3167 - Jul 21, 06:00 UTCJul 21, 06:20 UTC20m
2026-07-21 CSN3156 PEK → SZX Jul 21, 04:10 UTCJul 21, 04:20 UTC10m
2026-07-20 CSN3155 SZX → PEK Jul 20, 12:00 UTCJul 20, 12:15 UTC15m
2026-07-20 CSN3584 KHN → SZX Jul 20, 10:05 UTCJul 20, 10:25 UTC20m
2026-07-20 CSN3583 - Jul 20, 03:20 UTCJul 20, 03:35 UTC15m
2026-07-20 CSN8578 - Jul 20, 01:10 UTCJul 20, 01:35 UTC25m
2026-07-19 CSN8577 SZX → WUH Jul 19, 13:30 UTCJul 19, 13:40 UTC10m
2026-07-18 CSN3191 - Jul 18, 09:55 UTCJul 18, 10:10 UTC15m
2026-07-18 CSN8076 - Jul 18, 08:00 UTCJul 18, 08:15 UTC15m
2026-07-18 CSN8076 - Jul 18, 05:45 UTCJul 18, 06:00 UTC15m
2026-07-18 CSN8075 SZX → BKK Jul 18, 03:50 UTCJul 18, 04:05 UTC15m
2026-07-18 CSN8075 SZX → BKK Jul 18, 01:50 UTCJul 18, 02:29 UTC40m
2026-07-17 CSN6756 - Jul 17, 10:00 UTCJul 17, 14:39 UTC4h 40m
2026-07-17 CSN6755 - Jul 17, 02:30 UTCJul 17, 02:50 UTC20m
2026-07-17 CSN6755 - Jul 17, 01:45 UTCJul 17, 01:59 UTC15m
2026-07-16 CSN3920 - Jul 16, 17:35 UTCJul 16, 17:49 UTC15m
2026-07-16 CSN3919 - Jul 16, 12:09 UTCJul 16, 12:25 UTC15m
2026-07-16 CSN3798 - Jul 16, 09:45 UTCJul 16, 10:25 UTC40m
2026-07-16 CSN3797 - Jul 16, 04:05 UTCJul 16, 04:15 UTC10m
2026-07-16 CSN5086 - Jul 16, 01:55 UTCJul 16, 02:10 UTC15m
2026-07-15 CSN5086 - Jul 15, 22:25 UTCJul 15, 22:50 UTC25m
2026-07-15 CSN5085 - Jul 15, 20:45 UTCJul 15, 21:15 UTC30m
2026-07-15 CSN5085 - Jul 15, 17:55 UTCJul 15, 18:15 UTC20m
2026-07-15 CSN8465 - Jul 15, 07:05 UTCJul 15, 07:25 UTC20m
2026-07-15 CSN6552 - Jul 15, 02:15 UTCJul 15, 02:30 UTC15m
2026-07-14 CSN6551 - Jul 14, 12:20 UTCJul 14, 12:30 UTC10m
2026-07-14 CSN8466 - Jul 14, 10:35 UTCJul 14, 10:45 UTC10m
2026-07-14 CSN8465 - Jul 14, 05:10 UTCJul 14, 05:20 UTC10m
2026-07-14 CSN3366 - Jul 14, 01:25 UTCJul 14, 02:10 UTC45m
2026-07-13 CSN3365 - Jul 13, 13:50 UTCJul 13, 14:00 UTC10m
2026-07-13 CSN3172 - Jul 13, 10:35 UTCJul 13, 10:55 UTC20m

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-6912 page for operator, model, and routing details .

Mode-S 7808BF frequently asked

What is Mode-S code 7808BF?
7808BF is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-6912.
Where is Mode-S 7808BF registered?
Mode-S code 7808BF is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7808BF broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 14:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7808BF, octal 36004277, decimal 7,866,559.
What flights does 7808BF operate?
Mode-S 7808BF has broadcast 20 distinct callsigns, including CSN8076, CSN8075, CSN3188, CSN3155, CSN3191.