Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

7821FE

ICAO 24-bit transponder address · allocated to China

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

Hex
7821FE
Octal
36020776
Decimal
7,873,022
Country
CN
Tail
B-32KV
Type
A20N
No current signal · last broadcast 14h ago
Flights observed
101
Distinct callsigns
20
Country
CN
Last broadcast
14h ago

Last known position

Most recent position reported by Mode-S 7821FE.

Country allocation

The ICAO 24-bit address 7821FE 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
CSC3919 Sichuan Airlines 39 2026-07-25
CSC3773 Sichuan Airlines 10 2026-05-17
CSC3774 Sichuan Airlines 8 2026-05-17
CSC3920 Sichuan Airlines 7 2026-07-25
CSC8786 Sichuan Airlines 5 2026-06-02
CSC3272 - 5 2026-06-29
CSC3783 Sichuan Airlines 4 2026-05-31
CSC3784 Sichuan Airlines 3 2026-05-31
CSC8784 Sichuan Airlines 2 2026-06-03
CSC8782 Sichuan Airlines 2 2026-06-05
CSC8003 - 2 2026-06-11
CSC3702 - 2 2026-06-25
CSC3701 - 2 2026-06-25
CSC8088 Sichuan Airlines 1 2026-06-05
CSC8006 - 1 2026-05-21
CSC8005 - 1 2026-06-03
CSC6758 - 1 2026-04-19
CSC3772 Sichuan Airlines 1 2026-05-06
CSC3771 Sichuan Airlines 1 2026-05-05
CSC3704 Sichuan Airlines 1 2026-06-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CSC3920 SIN → TFU Jul 25, 17:25 UTCJul 25, 20:25 UTC3h 0m
2026-07-25 CSC3919 TFU → SIN Jul 25, 12:45 UTCJul 25, 15:50 UTC3h 5m
2026-07-23 CSC3920 SIN → TFU Jul 23, 17:30 UTCJul 23, 20:30 UTC3h 0m
2026-07-23 CSC3919 TFU → SIN Jul 23, 12:35 UTCJul 23, 15:35 UTC3h 0m
2026-07-21 CSC3920 SIN → TFU Jul 21, 17:15 UTCJul 21, 20:15 UTC3h 0m
2026-07-21 CSC3919 - Jul 21, 12:35 UTCJul 21, 15:45 UTC3h 10m
2026-07-20 CSC3919 - Jul 20, 20:10 UTCJul 21, 15:45 UTC19h 34m
2026-07-20 CSC3919 - Jul 20, 17:35 UTCJul 21, 15:45 UTC22h 9m
2026-07-20 CSC3919 - Jul 20, 17:25 UTCJul 21, 15:30 UTC22h 5m
2026-07-20 CSC3919 - Jul 20, 12:35 UTCJul 20, 15:35 UTC3h 0m
2026-07-18 CSC3920 SIN → TFU Jul 18, 17:10 UTCJul 18, 20:10 UTC3h 0m
2026-07-17 CSC3919 - Jul 17, 20:00 UTCJul 18, 15:30 UTC19h 31m
2026-07-17 CSC3920 - Jul 17, 17:35 UTCJul 18, 15:30 UTC21h 56m
2026-07-17 CSC3919 - Jul 17, 12:55 UTCJul 17, 16:00 UTC3h 5m
2026-07-16 CSC3919 - Jul 16, 20:09 UTCJul 17, 16:00 UTC19h 50m
2026-07-16 CSC3919 - Jul 16, 17:35 UTCJul 17, 16:00 UTC22h 25m
2026-07-16 CSC3920 - Jul 16, 17:20 UTCJul 17, 15:29 UTC22h 10m
2026-07-16 CSC3919 - Jul 16, 12:34 UTCJul 16, 15:45 UTC3h 10m
2026-07-15 CSC3919 - Jul 15, 19:50 UTCJul 16, 15:45 UTC19h 55m
2026-07-15 CSC3919 - Jul 15, 17:15 UTCJul 16, 15:30 UTC22h 15m
2026-07-15 CSC3919 - Jul 15, 13:35 UTCJul 15, 15:40 UTC2h 5m
2026-07-14 CSC3919 - Jul 14, 20:15 UTCJul 15, 15:40 UTC19h 24m
2026-07-14 CSC3919 - Jul 14, 17:35 UTCJul 15, 15:40 UTC22h 4m
2026-07-14 CSC3920 - Jul 14, 17:20 UTCJul 15, 15:30 UTC22h 9m
2026-07-14 CSC3919 - Jul 14, 12:35 UTCJul 14, 15:50 UTC3h 15m
2026-07-13 CSC3919 - Jul 13, 20:10 UTCJul 14, 15:50 UTC19h 40m
2026-07-13 CSC3919 - Jul 13, 17:35 UTCJul 14, 15:50 UTC22h 15m
2026-07-13 CSC3919 - Jul 13, 17:15 UTCJul 14, 15:30 UTC22h 15m
2026-07-12 CSC3919 - Jul 12, 19:50 UTCJul 13, 15:25 UTC19h 35m
2026-07-12 CSC3919 - Jul 12, 17:35 UTCJul 13, 15:25 UTC21h 50m
2026-07-12 CSC3919 - Jul 12, 17:20 UTCJul 13, 15:25 UTC22h 5m
2026-07-12 CSC3919 - Jul 12, 12:40 UTCJul 12, 15:35 UTC2h 55m
2026-07-11 CSC3919 - Jul 11, 19:45 UTCJul 12, 15:35 UTC19h 50m
2026-07-11 CSC3919 - Jul 11, 17:35 UTCJul 12, 15:35 UTC22h 0m
2026-07-11 CSC3919 - Jul 11, 17:10 UTCJul 12, 15:30 UTC22h 20m
2026-07-11 CSC3919 - Jul 11, 12:35 UTCJul 11, 15:35 UTC3h 0m
2026-07-10 CSC3919 - Jul 10, 20:05 UTCJul 11, 15:35 UTC19h 30m
2026-07-10 CSC3919 - Jul 10, 17:35 UTCJul 11, 15:35 UTC22h 1m
2026-07-10 CSC3919 - Jul 10, 17:15 UTCJul 11, 15:30 UTC22h 15m
2026-07-09 CSC3919 - Jul 9, 20:00 UTCJul 10, 15:30 UTC19h 30m
2026-07-09 CSC3919 - Jul 9, 17:35 UTCJul 10, 15:30 UTC21h 55m
2026-07-09 CSC3919 - Jul 9, 17:15 UTCJul 10, 15:30 UTC22h 15m
2026-07-09 CSC3919 - Jul 9, 12:35 UTCJul 9, 15:40 UTC3h 5m
2026-07-08 CSC3919 - Jul 8, 19:35 UTCJul 9, 15:40 UTC20h 5m
2026-07-08 CSC3919 - Jul 8, 17:35 UTCJul 9, 15:40 UTC22h 5m
2026-07-08 CSC3919 - Jul 8, 14:00 UTCJul 8, 16:05 UTC2h 5m
2026-06-29 CSC3272 - Jun 29, 02:59 UTCJun 29, 03:10 UTC10m
2026-06-28 CSC3281 - Jun 28, 03:05 UTCJun 28, 06:15 UTC3h 10m
2026-06-25 CSC3702 - Jun 25, 07:54 UTCJun 25, 08:14 UTC20m
2026-06-25 CSC3701 - Jun 25, 06:20 UTCJun 25, 06:50 UTC30m

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

Mode-S 7821FE frequently asked

What is Mode-S code 7821FE?
7821FE is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-32KV.
Where is Mode-S 7821FE registered?
Mode-S code 7821FE is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7821FE broadcasting right now?
No active broadcast right now. Last signal was 14h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7821FE, octal 36020776, decimal 7,873,022.
What flights does 7821FE operate?
Mode-S 7821FE has broadcast 20 distinct callsigns, including CSC3919, CSC3773, CSC3774, CSC3920, CSC8786.