Apparatus

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sensors Mode-S transponder

7807FF

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-6835 · AIRBUS A-320

Hex
7807FF
Octal
36003777
Decimal
7,866,367
Country
CN
Tail
B-6835
Type
A320
No current signal · last broadcast Jul 26, 10:05 UTC
Flights observed
293
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 10:05 UTC

Last known position

Most recent position reported by Mode-S 7807FF.

Country allocation

The ICAO 24-bit address 7807FF 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
CSZ228 - 33 2026-07-11
CSZ227 - 26 2026-07-10
CSZ105 - 8 2026-06-29
CSZ9112 - 6 2026-06-24
CSZ641 - 6 2026-07-01
CSZ106 - 6 2026-06-29
CSZ9118 - 5 2026-06-24
CSZ236 Shenzhen Airlines 5 2026-06-16
CSZ235 Shenzhen Airlines 5 2026-06-15
CSZ9616 - 4 2026-06-14
CSZ9117 - 4 2026-06-22
CSZ9104 Shenzhen Airlines 4 2026-06-12
CSZ642 - 4 2026-06-17
CSZ632 Shenzhen Airlines 4 2026-06-15
CSZ631 - 4 2026-06-15
CSZ333 - 4 2026-06-30
CSZ308 - 4 2026-06-25
CSZ229 Shenzhen Airlines 4 2026-06-09
CSZ9615 - 3 2026-06-14
CSZ9453 - 3 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CSZ8186 HAK → YCU Jul 25, 12:15 UTCJul 26, 10:05 UTC21h 51m
2026-07-24 CSZ282 BKK → YCU Jul 24, 12:00 UTCJul 24, 13:15 UTC1h 15m
2026-07-24 CSZ281 YCU → BKK Jul 24, 08:35 UTCJul 24, 10:15 UTC1h 40m
2026-07-23 CSZ9139 SZX → YCU Jul 23, 13:20 UTCJul 23, 13:30 UTC10m
2026-07-23 CSZ9888 HGH → SZX Jul 23, 11:35 UTCJul 23, 12:10 UTC35m
2026-07-23 CSZ9887 SZX → CGQ Jul 23, 07:10 UTCJul 23, 08:10 UTC1h 0m
2026-07-23 CSZ9606 JDZ → CAN Jul 23, 04:40 UTCJul 23, 04:55 UTC15m
2026-07-22 CSZ9606 JDZ → CAN Jul 22, 13:55 UTCJul 23, 02:15 UTC12h 20m
2026-07-22 CSZ9712 KHN → CAN Jul 22, 02:30 UTCJul 22, 14:00 UTC11h 30m
2026-07-19 CSZ9728 - Jul 19, 13:45 UTCJul 19, 13:55 UTC10m
2026-07-14 CSZ9605 - Jul 14, 12:25 UTCJul 14, 12:35 UTC10m
2026-07-14 CSZ9204 - Jul 14, 09:35 UTCJul 14, 09:45 UTC10m
2026-07-14 CSZ9203 - Jul 14, 02:40 UTCJul 14, 02:50 UTC10m
2026-07-14 CSZ8954 - Jul 14, 00:05 UTCJul 14, 00:20 UTC15m
2026-07-13 CSZ8953 - Jul 13, 14:55 UTCJul 13, 15:05 UTC10m
2026-07-13 CSZ9932 - Jul 13, 12:15 UTCJul 13, 12:30 UTC15m
2026-07-13 CSZ9931 - Jul 13, 06:01 UTCJul 13, 06:10 UTC10m
2026-07-12 CSZ8939 - Jul 12, 23:30 UTCJul 12, 23:45 UTC15m
2026-07-12 CSZ9530 - Jul 12, 14:55 UTCJul 12, 15:45 UTC50m
2026-07-12 CSZ9529 - Jul 12, 10:05 UTCJul 12, 10:15 UTC10m
2026-07-12 CSZ9453 - Jul 12, 02:55 UTCJul 12, 03:10 UTC15m
2026-07-11 CSZ228 - Jul 11, 04:05 UTCJul 11, 13:20 UTC9h 15m
2026-07-11 CSZ228 - Jul 11, 01:40 UTCJul 11, 02:00 UTC20m
2026-07-10 CSZ228 - Jul 10, 22:10 UTCJul 10, 22:45 UTC35m
2026-07-10 CSZ228 - Jul 10, 19:05 UTCJul 10, 19:35 UTC30m
2026-07-10 CSZ227 - Jul 10, 17:15 UTCJul 10, 17:25 UTC10m
2026-07-10 CSZ227 - Jul 10, 14:10 UTCJul 10, 14:20 UTC10m
2026-07-10 CSZ227 - Jul 10, 12:25 UTCJul 10, 12:50 UTC25m
2026-07-10 CSZ227 - Jul 10, 00:45 UTCJul 10, 10:20 UTC9h 35m
2026-07-09 CSZ9313 - Jul 9, 16:35 UTCJul 9, 16:45 UTC10m
2026-07-09 CSZ9326 - Jul 9, 15:00 UTCJul 9, 15:10 UTC10m
2026-07-09 CSZ9453 - Jul 9, 01:45 UTCJul 9, 01:55 UTC10m
2026-07-08 CSZ9312 - Jul 8, 19:05 UTCJul 8, 19:15 UTC10m
2026-07-08 CSZ9749 - Jul 8, 00:20 UTCJul 8, 16:20 UTC16h 0m
2026-07-07 CSZ228 - Jul 7, 08:00 UTCJul 8, 00:25 UTC16h 25m
2026-07-07 CSZ228 - Jul 7, 05:40 UTCJul 7, 05:50 UTC10m
2026-07-06 CSZ228 - Jul 6, 23:45 UTCJul 6, 23:55 UTC10m
2026-07-06 CSZ228 - Jul 6, 19:45 UTCJul 6, 20:10 UTC25m
2026-07-06 CSZ227 - Jul 6, 18:05 UTCJul 6, 18:30 UTC25m
2026-07-06 CSZ227 - Jul 6, 15:10 UTCJul 6, 15:20 UTC10m
2026-07-06 CSZ227 - Jul 6, 00:10 UTCJul 6, 09:55 UTC9h 45m
2026-07-05 CSZ228 - Jul 5, 01:50 UTCJul 5, 13:45 UTC11h 55m
2026-07-04 CSZ228 - Jul 4, 22:40 UTCJul 4, 23:15 UTC35m
2026-07-04 CSZ228 - Jul 4, 19:10 UTCJul 4, 19:35 UTC25m
2026-07-04 CSZ227 - Jul 4, 17:25 UTCJul 4, 17:45 UTC20m
2026-07-04 CSZ227 - Jul 4, 14:35 UTCJul 4, 14:50 UTC15m
2026-07-04 CSZ227 - Jul 4, 12:40 UTCJul 4, 12:55 UTC15m
2026-07-04 CSZ228 - Jul 4, 05:30 UTCJul 4, 10:05 UTC4h 35m
2026-07-04 CSZ228 - Jul 4, 03:10 UTCJul 4, 03:20 UTC10m
2026-07-04 CSZ228 - Jul 4, 00:55 UTCJul 4, 01:10 UTC15m

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-6835 page for operator, model, and routing details .

Mode-S 7807FF frequently asked

What is Mode-S code 7807FF?
7807FF is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-6835.
Where is Mode-S 7807FF registered?
Mode-S code 7807FF is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7807FF broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 10:05 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7807FF, octal 36003777, decimal 7,866,367.
What flights does 7807FF operate?
Mode-S 7807FF has broadcast 20 distinct callsigns, including CSZ228, CSZ227, CSZ105, CSZ9112, CSZ641.