Apparatus

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sensors Mode-S transponder

781297

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1012 · AIRBUS A-321

Hex
781297
Octal
36011227
Decimal
7,869,079
Country
CN
Tail
B-1012
Type
A321
No current signal · last broadcast 2d ago
Flights observed
103
Distinct callsigns
20
Country
CN
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S 781297.

Country allocation

The ICAO 24-bit address 781297 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
CBJ5348 - 12 2026-07-19
CBJ5347 - 12 2026-07-19
CBJ5570 - 8 2026-06-29
CBJ5618 - 6 2026-06-26
CBJ5765 - 5 2026-06-24
CBJ5926 - 4 2026-06-23
CBJ5219 - 4 2026-05-29
CBJ5944 - 3 2026-06-22
CBJ5943 - 3 2026-07-03
CBJ5588 - 3 2026-06-29
CBJ5531 - 3 2026-06-30
CBJ5234 - 3 2026-06-25
CBJ5220 - 3 2026-05-29
CBJ5136 - 3 2026-06-28
CBJ5942 - 2 2026-06-02
CBJ5776 - 2 2026-06-11
CBJ5766 - 2 2026-06-27
CBJ5617 - 2 2026-06-25
CBJ5577 - 2 2026-06-02
CBJ5532 - 2 2026-07-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-19 CBJ5348 - Jul 19, 14:35 UTCJul 19, 14:50 UTC15m
2026-07-19 CBJ5347 - Jul 19, 10:45 UTCJul 19, 11:05 UTC20m
2026-07-18 CBJ5348 - Jul 18, 13:05 UTCJul 18, 13:20 UTC15m
2026-07-18 CBJ5347 - Jul 18, 09:30 UTCJul 18, 09:40 UTC10m
2026-07-18 CBJ5347 - Jul 18, 05:45 UTCJul 18, 05:55 UTC10m
2026-07-17 CBJ5348 - Jul 17, 13:10 UTCJul 17, 13:20 UTC10m
2026-07-17 CBJ5347 - Jul 17, 09:25 UTCJul 17, 09:40 UTC15m
2026-07-15 CBJ5348 - Jul 15, 13:00 UTCJul 15, 13:15 UTC15m
2026-07-15 CBJ5347 - Jul 15, 09:30 UTCJul 15, 09:40 UTC10m
2026-07-14 CBJ5348 - Jul 14, 13:35 UTCJul 14, 13:50 UTC15m
2026-07-14 CBJ5347 - Jul 14, 09:45 UTCJul 14, 10:00 UTC15m
2026-07-13 CBJ5348 - Jul 13, 13:00 UTCJul 13, 13:15 UTC15m
2026-07-13 CBJ5347 - Jul 13, 09:30 UTCJul 13, 09:45 UTC15m
2026-07-03 CBJ5943 - Jul 3, 01:30 UTCJul 3, 01:40 UTC10m
2026-07-02 CBJ5532 - Jul 2, 15:45 UTCJul 2, 16:05 UTC20m
2026-07-02 CBJ5532 - Jul 2, 11:25 UTCJul 2, 11:45 UTC20m
2026-07-02 CBJ5595 - Jul 2, 03:00 UTCJul 2, 03:10 UTC10m
2026-06-30 CBJ5896 - Jun 30, 17:55 UTCJul 1, 13:40 UTC19h 45m
2026-06-30 CBJ5531 - Jun 30, 06:10 UTCJul 1, 01:20 UTC19h 10m
2026-06-29 CBJ5588 - Jun 29, 16:10 UTCJun 29, 16:29 UTC20m
2026-06-29 CBJ5570 - Jun 29, 01:10 UTCJun 29, 11:50 UTC10h 40m
2026-06-28 CBJ5136 - Jun 28, 16:25 UTCJun 29, 11:50 UTC19h 25m
2026-06-28 CBJ5136 - Jun 28, 12:05 UTCJun 29, 11:45 UTC23h 40m
2026-06-28 CBJ5135 - Jun 28, 11:09 UTCJun 29, 01:20 UTC14h 10m
2026-06-27 CBJ5766 - Jun 27, 14:39 UTCJun 28, 05:29 UTC14h 50m
2026-06-27 CBJ5766 - Jun 27, 05:49 UTCJun 28, 05:29 UTC23h 40m
2026-06-26 CBJ5618 - Jun 26, 14:05 UTCJun 27, 05:59 UTC15h 55m
2026-06-26 CBJ5618 - Jun 26, 09:35 UTCJun 27, 05:59 UTC20h 25m
2026-06-26 CBJ5618 - Jun 26, 01:29 UTCJun 26, 14:25 UTC12h 55m
2026-06-25 CBJ5617 - Jun 25, 15:20 UTCJun 26, 09:45 UTC18h 25m
2026-06-25 CBJ5617 - Jun 25, 07:05 UTCJun 26, 01:50 UTC18h 45m
2026-06-25 CBJ5234 - Jun 25, 02:49 UTCJun 26, 01:45 UTC22h 55m
2026-06-24 CBJ5765 - Jun 24, 04:20 UTCJun 24, 15:09 UTC10h 50m
2026-06-23 CBJ5926 - Jun 23, 12:40 UTCJun 24, 04:39 UTC16h 0m
2026-06-23 CBJ5926 - Jun 23, 08:30 UTCJun 24, 04:39 UTC20h 10m
2026-06-23 CBJ5926 - Jun 23, 01:00 UTCJun 23, 13:19 UTC12h 20m
2026-06-22 CBJ5926 - Jun 22, 15:54 UTCJun 23, 13:19 UTC21h 25m
2026-06-22 CBJ5944 - Jun 22, 07:54 UTCJun 23, 05:45 UTC21h 50m
2026-06-22 CBJ5943 - Jun 22, 04:59 UTCJun 23, 01:30 UTC20h 30m
2026-06-21 CBJ5588 - Jun 21, 16:04 UTCJun 21, 16:19 UTC15m
2026-06-21 CBJ5570 - Jun 21, 01:19 UTCJun 21, 11:55 UTC10h 35m
2026-06-20 CBJ5190 - Jun 20, 10:20 UTCJun 20, 16:55 UTC6h 35m
2026-06-20 CBJ5944 - Jun 20, 04:44 UTCJun 20, 05:29 UTC45m
2026-06-19 CBJ5348 - Jun 19, 13:50 UTCJun 19, 14:04 UTC15m
2026-06-19 CBJ5347 - Jun 19, 10:19 UTCJun 19, 10:29 UTC10m
2026-06-14 CBJ5943 - Jun 14, 00:40 UTCJun 14, 01:05 UTC25m
2026-06-13 CBJ5765 - Jun 13, 01:15 UTCJun 13, 15:10 UTC13h 54m
2026-06-12 CBJ5765 - Jun 12, 13:10 UTCJun 13, 06:00 UTC16h 49m
2026-06-12 CBJ5765 - Jun 12, 07:50 UTCJun 13, 06:00 UTC22h 9m
2026-06-12 CBJ5125 - Jun 12, 07:30 UTCJun 13, 05:45 UTC22h 14m

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-1012 page for operator, model, and routing details .

Mode-S 781297 frequently asked

What is Mode-S code 781297?
781297 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1012.
Where is Mode-S 781297 registered?
Mode-S code 781297 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 781297 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 781297, octal 36011227, decimal 7,869,079.
What flights does 781297 operate?
Mode-S 781297 has broadcast 20 distinct callsigns, including CBJ5348, CBJ5347, CBJ5570, CBJ5618, CBJ5765.