Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

7821F2

ICAO 24-bit transponder address · allocated to China

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

Hex
7821F2
Octal
36020762
Decimal
7,873,010
Country
CN
Tail
B-32KQ
Type
A20N
No current signal · last broadcast 1d ago
Flights observed
80
Distinct callsigns
20
Country
CN
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 7821F2.

Country allocation

The ICAO 24-bit address 7821F2 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
CQH6523 - 9 2026-06-28
CQH7501 - 3 2026-07-13
CQH8792 - 2 2026-06-30
CQH8791 - 2 2026-06-29
CQH8785 - 2 2026-05-19
CQH8781 - 2 2026-07-12
CQH8779 Spring Airlines 2 2026-05-29
CQH8688 - 2 2026-07-11
CQH8598 Spring Airlines 2 2026-05-18
CQH8597 Spring Airlines 2 2026-05-18
CQH8522 Spring Airlines 2 2026-05-24
CQH8511 Spring Airlines 2 2026-06-10
CQH7752 Spring Airlines 2 2026-05-25
CQH7654 - 2 2026-07-12
CQH7502 - 2 2026-07-13
CQH7432 Spring Airlines 2 2026-04-25
CQH7431 Spring Airlines 2 2026-04-25
CQH7348 Spring Airlines 2 2026-06-12
CQH7019 - 2 2026-07-11
CQH6922 Spring Airlines 2 2026-06-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 CQH7502 - Jul 13, 04:25 UTCJul 13, 10:40 UTC6h 15m
2026-07-13 CQH7501 - Jul 13, 02:20 UTCJul 13, 02:40 UTC20m
2026-07-13 CQH7501 - Jul 13, 01:10 UTCJul 13, 01:25 UTC15m
2026-07-12 CQH7654 - Jul 12, 04:40 UTCJul 13, 01:25 UTC20h 45m
2026-07-12 CQH7654 - Jul 12, 03:45 UTCJul 13, 01:25 UTC21h 40m
2026-07-12 CQH8781 - Jul 12, 00:05 UTCJul 12, 05:01 UTC4h 55m
2026-07-11 CQH8781 - Jul 11, 22:05 UTCJul 11, 22:15 UTC10m
2026-07-11 CQH8688 - Jul 11, 17:35 UTCJul 11, 17:55 UTC20m
2026-07-11 CQH7019 - Jul 11, 12:30 UTCJul 11, 12:40 UTC10m
2026-07-04 CQH7608 - Jul 4, 00:10 UTCJul 4, 00:20 UTC10m
2026-07-01 CQH7091 - Jul 1, 11:00 UTCJul 1, 11:15 UTC15m
2026-06-30 CQH8792 - Jun 30, 05:10 UTCJun 30, 07:35 UTC2h 25m
2026-06-29 CQH8791 - Jun 29, 10:44 UTCJun 30, 04:00 UTC17h 16m
2026-06-28 CQH6523 - Jun 28, 14:59 UTCJun 29, 09:34 UTC18h 35m
2026-06-28 CQH6523 - Jun 28, 13:59 UTCJun 29, 09:34 UTC19h 35m
2026-06-28 CQH6523 - Jun 28, 10:50 UTCJun 29, 09:34 UTC22h 45m
2026-06-28 CQH6523 - Jun 28, 09:05 UTCJun 28, 09:25 UTC20m
2026-06-28 CQH6523 - Jun 28, 05:04 UTCJun 28, 06:15 UTC1h 10m
2026-06-21 CQH6182 - Jun 21, 11:40 UTCJun 21, 12:04 UTC25m
2026-06-21 CQH6181 - Jun 21, 09:35 UTCJun 21, 10:14 UTC40m
2026-06-19 CQH6342 - Jun 19, 14:34 UTCJun 19, 14:44 UTC10m
2026-06-15 CQH7392 - Jun 15, 16:45 UTCJun 15, 17:04 UTC20m
2026-06-12 CQH7348 SGN → CAN Jun 12, 15:10 UTCJun 12, 15:25 UTC15m
2026-06-12 CQH6922 KUL → CAN Jun 12, 05:35 UTCJun 12, 06:10 UTC35m
2026-06-12 CQH6922 KUL → CAN Jun 12, 02:25 UTCJun 12, 02:40 UTC15m
2026-06-12 CQH6921 CAN → KUL Jun 12, 00:30 UTCJun 12, 00:55 UTC25m
2026-06-11 CQH6921 CAN → KUL Jun 11, 21:45 UTCJun 11, 21:55 UTC10m
2026-06-10 CQH8934 CNX → CAN Jun 10, 14:50 UTCJun 10, 16:10 UTC1h 20m
2026-06-10 CQH8511 PVG → CNX Jun 10, 13:10 UTCJun 10, 13:30 UTC20m
2026-06-10 CQH8511 PVG → CNX Jun 10, 05:25 UTCJun 10, 12:30 UTC7h 5m
2026-06-05 CQH6610 FUK → PVG Jun 5, 02:55 UTCJun 5, 03:05 UTC10m
2026-06-04 CQH6524 KUL → PVG Jun 4, 10:40 UTCJun 4, 14:15 UTC3h 35m
2026-06-04 CQH6523 PVG → KUL Jun 4, 08:45 UTCJun 4, 09:10 UTC25m
2026-06-04 CQH6523 PVG → KUL Jun 4, 04:50 UTCJun 4, 06:00 UTC1h 10m
2026-06-02 CQH6732 - Jun 2, 11:30 UTCJun 2, 11:55 UTC25m
2026-05-31 CQH8878 KHH → PVG May 31, 10:20 UTCMay 31, 11:10 UTC50m
2026-05-31 CQH8877 PVG → KHH May 31, 08:25 UTCMay 31, 09:00 UTC35m
2026-05-30 CQH8552 SIN → PVG May 30, 22:50 UTCMay 30, 23:05 UTC15m
2026-05-30 CQH8551 PVG → SIN May 30, 10:15 UTCMay 30, 17:40 UTC7h 25m
2026-05-29 CQH8779 SHA → SYX May 29, 00:15 UTCMay 29, 05:30 UTC5h 15m
2026-05-27 CQH6524 KUL → PVG May 27, 10:40 UTCMay 27, 14:50 UTC4h 10m
2026-05-27 CQH6523 PVG → KUL May 27, 08:30 UTCMay 27, 08:55 UTC25m
2026-05-27 CQH6523 PVG → KUL May 27, 04:39 UTCMay 27, 05:49 UTC1h 10m
2026-05-25 CQH7752 NBS → PVG May 25, 17:25 UTCMay 25, 18:10 UTC45m
2026-05-24 CQH7752 NBS → PVG May 24, 20:40 UTCMay 25, 18:10 UTC21h 30m
2026-05-24 CQH8522 HKT → PVG May 24, 18:35 UTCMay 25, 18:10 UTC23h 35m
2026-05-24 CQH8522 HKT → PVG May 24, 13:45 UTCMay 24, 21:45 UTC8h 0m
2026-05-22 CQH7050 CJJ → PVG May 22, 04:40 UTCMay 22, 05:00 UTC20m
2026-05-22 CQH7049 PVG → CJJ May 22, 03:05 UTCMay 22, 03:30 UTC25m
2026-05-19 CQH8785 - May 19, 02:20 UTCMay 19, 14:30 UTC12h 10m

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

Mode-S 7821F2 frequently asked

What is Mode-S code 7821F2?
7821F2 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-32KQ.
Where is Mode-S 7821F2 registered?
Mode-S code 7821F2 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7821F2 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7821F2, octal 36020762, decimal 7,873,010.
What flights does 7821F2 operate?
Mode-S 7821F2 has broadcast 20 distinct callsigns, including CQH6523, CQH7501, CQH8792, CQH8791, CQH8785.