Apparatus

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sensors Mode-S transponder

781E02

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-32AL · AIRBUS A-350-900

Hex
781E02
Octal
36017002
Decimal
7,872,002
Country
CN
Tail
B-32AL
Type
A359
No current signal · last broadcast Jul 26, 22:30 UTC
Flights observed
245
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 22:30 UTC

Last known position

Most recent position reported by Mode-S 781E02.

Country allocation

The ICAO 24-bit address 781E02 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
CCA950 - 12 2026-07-16
CCA968 Air China 10 2026-06-26
CCA967 - 10 2026-06-29
CCA912 Air China 10 2026-07-03
CCA911 - 10 2026-07-03
CCA852 Air China 10 2026-06-20
CCA868 Air China 8 2026-07-25
CCA867 - 8 2026-07-23
CCA851 Air China 8 2026-06-19
CCA839 Air China 8 2026-06-01
CCA632 Air China 8 2026-07-22
CCA935 Air China 7 2026-05-23
CCA840 Air China 7 2026-06-02
CCA631 Air China 7 2026-07-21
CCA949 - 6 2026-07-12
CCA877 Air China 6 2026-07-25
CCA878 Air China 5 2026-07-26
CCA861 Air China 5 2026-07-26
CCA841 Air China 5 2026-06-21
CCA826 Air China 5 2026-06-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CCA861 PEK → GVA Jul 26, 22:00 UTCJul 26, 22:30 UTC30m
2026-07-26 CCA861 PEK → GVA Jul 26, 19:05 UTCJul 26, 19:25 UTC20m
2026-07-26 CCA1391 PEK → WGN Jul 26, 05:35 UTCJul 26, 05:50 UTC15m
2026-07-26 CCA878 CPH → PEK Jul 26, 00:55 UTCJul 26, 01:15 UTC20m
2026-07-25 CCA878 CPH → PEK Jul 25, 17:10 UTCJul 25, 22:30 UTC5h 20m
2026-07-25 CCA877 PEK → CPH Jul 25, 13:50 UTCJul 25, 14:50 UTC1h 0m
2026-07-25 - - Jul 25, 06:05 UTCJul 25, 06:20 UTC15m
2026-07-25 CCA868 JNB → SZX Jul 25, 02:20 UTCJul 25, 02:45 UTC25m
2026-07-25 CCA868 JNB → SZX Jul 25, 00:30 UTCJul 25, 00:40 UTC10m
2026-07-24 CCA868 JNB → SZX Jul 24, 20:55 UTCJul 24, 21:10 UTC15m
2026-07-24 CCA868 JNB → SZX Jul 24, 08:30 UTCJul 24, 19:20 UTC10h 50m
2026-07-23 CCA867 SZX → JNB Jul 23, 18:40 UTCJul 24, 05:00 UTC10h 20m
2026-07-23 CCA867 SZX → JNB Jul 23, 17:00 UTCJul 23, 17:10 UTC10m
2026-07-23 CCA867 - Jul 23, 13:45 UTCJul 23, 13:55 UTC10m
2026-07-23 CCA867 - Jul 23, 11:15 UTCJul 23, 11:25 UTC10m
2026-07-22 CCA1475 PEK → KMG Jul 22, 23:55 UTCJul 23, 07:50 UTC7h 55m
2026-07-22 CCA632 LGW → PEK Jul 22, 04:15 UTCJul 22, 04:30 UTC15m
2026-07-21 CCA632 LGW → PEK Jul 21, 19:30 UTCJul 22, 01:50 UTC6h 20m
2026-07-21 CCA631 PEK → LGW Jul 21, 09:35 UTCJul 21, 16:30 UTC6h 55m
2026-07-20 CCA1516 SHA → PEK Jul 20, 16:00 UTCJul 20, 16:15 UTC15m
2026-07-20 CCA632 LGW → PEK Jul 20, 04:50 UTCJul 20, 05:10 UTC20m
2026-07-19 CCA632 LGW → PEK Jul 19, 20:00 UTCJul 20, 02:20 UTC6h 20m
2026-07-19 CCA631 PEK → LGW Jul 19, 10:10 UTCJul 19, 17:00 UTC6h 50m
2026-07-19 CCA631 PEK → LGW Jul 19, 07:05 UTCJul 19, 07:15 UTC10m
2026-07-19 CCA598 CPH → PEK Jul 19, 04:15 UTCJul 19, 04:30 UTC15m
2026-07-18 CCA598 CPH → PEK Jul 18, 20:35 UTCJul 19, 01:50 UTC5h 15m
2026-07-18 CCA597 - Jul 18, 12:25 UTCJul 18, 17:55 UTC5h 30m
2026-07-18 CCA572 - Jul 18, 05:25 UTCJul 18, 05:40 UTC15m
2026-07-17 CCA572 - Jul 17, 19:55 UTCJul 18, 03:00 UTC7h 6m
2026-07-17 CCA571 - Jul 17, 08:59 UTCJul 17, 16:55 UTC7h 55m
2026-07-16 CCA950 - Jul 16, 20:49 UTCJul 16, 21:05 UTC15m
2026-07-16 CCA950 - Jul 16, 12:05 UTCJul 16, 18:34 UTC6h 30m
2026-07-15 CCA445 - Jul 15, 21:20 UTCJul 16, 04:05 UTC6h 45m
2026-07-14 CCA424 - Jul 14, 22:35 UTCJul 15, 22:05 UTC23h 29m
2026-07-14 CCA424 - Jul 14, 21:30 UTCJul 15, 00:25 UTC2h 54m
2026-07-14 CCA423 - Jul 14, 11:35 UTCJul 14, 18:25 UTC6h 50m
2026-07-13 CCA423 - Jul 13, 18:35 UTCJul 14, 18:25 UTC23h 50m
2026-07-13 CCA446 - Jul 13, 18:15 UTCJul 14, 12:20 UTC18h 5m
2026-07-13 CCA446 - Jul 13, 14:35 UTCJul 14, 12:20 UTC21h 45m
2026-07-13 CCA446 - Jul 13, 12:35 UTCJul 14, 12:20 UTC23h 45m
2026-07-13 CCA446 - Jul 13, 12:20 UTCJul 13, 19:05 UTC6h 45m
2026-07-12 CCA949 - Jul 12, 17:45 UTCJul 13, 04:00 UTC10h 15m
2026-07-12 CCA1339 - Jul 12, 04:15 UTCJul 12, 04:40 UTC25m
2026-07-10 CCA632 - Jul 10, 20:05 UTCJul 11, 05:20 UTC9h 15m
2026-07-10 CCA631 - Jul 10, 07:40 UTCJul 10, 18:00 UTC10h 20m
2026-07-09 CCA632 - Jul 9, 19:55 UTCJul 10, 04:55 UTC9h 0m
2026-07-09 CCA631 - Jul 9, 07:10 UTCJul 9, 17:15 UTC10h 5m
2026-07-09 CCA570 - Jul 9, 03:40 UTCJul 9, 04:00 UTC20m
2026-07-08 CCA570 - Jul 8, 20:30 UTCJul 9, 01:20 UTC4h 50m
2026-07-08 CCA569 - Jul 8, 09:25 UTCJul 8, 17:30 UTC8h 5m

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

Mode-S 781E02 frequently asked

What is Mode-S code 781E02?
781E02 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-32AL.
Where is Mode-S 781E02 registered?
Mode-S code 781E02 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 781E02 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 781E02, octal 36017002, decimal 7,872,002.
What flights does 781E02 operate?
Mode-S 781E02 has broadcast 20 distinct callsigns, including CCA950, CCA968, CCA967, CCA912, CCA911.