Apparatus

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sensors Mode-S transponder

78074C

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-5587 · BOEING 737-800

Hex
78074C
Octal
36003514
Decimal
7,866,188
Country
CN
Tail
B-5587
Type
B738
No current signal · last broadcast 5h ago
Flights observed
48
Distinct callsigns
12
Country
CN
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 78074C.

Country allocation

The ICAO 24-bit address 78074C 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 12 distinct

Callsign Airline Flights Last seen
CSN6222 - 14 2026-07-14
CSN3791 - 5 2026-07-05
CSN3419 - 5 2026-06-26
CSN3292 - 5 2026-06-30
CSN3792 - 4 2026-07-05
CSN3747 - 4 2026-07-04
CSN3296 - 4 2026-06-27
CSN6933 China Southern Airlines 2 2026-06-22
CSN6221 - 2 2026-07-09
CSN6934 - 1 2026-06-21
CSN3987 China Southern Airlines 1 2026-06-03
CSN3819 China Southern Airlines 1 2026-05-31

Recent flights last 48

DateFlightRouteTakeoffLandingDuration
2026-07-14 CSN6222 - Jul 14, 06:05 UTCJul 14, 06:45 UTC40m
2026-07-12 CSN6222 - Jul 12, 01:10 UTCJul 12, 04:30 UTC3h 20m
2026-07-11 CSN6222 - Jul 11, 05:10 UTCJul 12, 04:30 UTC23h 20m
2026-07-09 CSN6222 - Jul 9, 03:55 UTCJul 9, 04:35 UTC40m
2026-07-09 CSN6221 - Jul 9, 01:05 UTCJul 9, 01:20 UTC15m
2026-07-05 CSN3792 - Jul 5, 08:40 UTCJul 5, 09:00 UTC20m
2026-07-05 CSN3791 - Jul 5, 02:15 UTCJul 5, 02:25 UTC10m
2026-07-04 CSN3747 - Jul 4, 12:50 UTCJul 4, 13:10 UTC20m
2026-07-04 CSN3792 - Jul 4, 10:40 UTCJul 4, 10:55 UTC15m
2026-07-04 CSN3791 - Jul 4, 01:55 UTCJul 4, 02:10 UTC15m
2026-07-03 CSN3747 - Jul 3, 10:50 UTCJul 3, 11:05 UTC15m
2026-07-03 CSN3791 - Jul 3, 02:05 UTCJul 3, 02:15 UTC10m
2026-07-02 CSN3747 - Jul 2, 10:55 UTCJul 2, 11:05 UTC10m
2026-07-02 CSN3792 - Jul 2, 08:30 UTCJul 2, 08:50 UTC20m
2026-07-02 CSN3791 - Jul 2, 02:00 UTCJul 2, 02:10 UTC10m
2026-07-01 CSN3747 - Jul 1, 10:40 UTCJul 1, 11:00 UTC20m
2026-07-01 CSN3792 - Jul 1, 08:00 UTCJul 1, 08:20 UTC20m
2026-07-01 CSN3791 - Jul 1, 02:05 UTCJul 1, 02:15 UTC10m
2026-06-30 CSN3292 - Jun 30, 02:20 UTCJun 30, 02:30 UTC10m
2026-06-27 CSN3296 - Jun 27, 13:49 UTCJun 27, 14:29 UTC40m
2026-06-26 CSN3419 - Jun 26, 16:49 UTCJun 26, 17:35 UTC45m
2026-06-24 CSN6222 - Jun 24, 00:55 UTCJun 24, 04:30 UTC3h 35m
2026-06-22 CSN6933 HET → TAO Jun 22, 06:25 UTCJun 22, 10:34 UTC4h 10m
2026-06-21 CSN6934 - Jun 21, 09:55 UTCJun 21, 10:25 UTC30m
2026-06-21 CSN6933 HET → TAO Jun 21, 06:14 UTCJun 21, 06:40 UTC25m
2026-06-16 CSN6222 - Jun 16, 01:19 UTCJun 16, 06:35 UTC5h 15m
2026-06-13 CSN6222 - Jun 13, 01:10 UTCJun 13, 04:50 UTC3h 39m
2026-06-11 CSN3419 CAN → KMG Jun 11, 14:20 UTCJun 12, 08:30 UTC18h 10m
2026-06-10 CSN3296 CAN → NNG Jun 10, 13:45 UTCJun 10, 13:55 UTC10m
2026-06-04 CSN3419 CAN → KMG Jun 4, 14:15 UTCJun 4, 14:55 UTC40m
2026-06-03 CSN3987 SZX → CSX Jun 3, 05:20 UTCJun 3, 10:05 UTC4h 45m
2026-06-02 CSN3292 NNY → CAN Jun 2, 02:10 UTCJun 2, 02:20 UTC10m
2026-06-01 CSN3296 CAN → NNG Jun 1, 14:45 UTCJun 1, 14:55 UTC10m
2026-05-31 CSN3819 CAN → HGH May 31, 15:15 UTCMay 31, 15:25 UTC10m
2026-05-29 CSN3419 CAN → KMG May 29, 15:45 UTCMay 29, 16:25 UTC40m
2026-05-29 CSN3292 NNY → CAN May 29, 02:25 UTCMay 29, 02:40 UTC15m
2026-05-28 CSN6222 XMN → NNG May 28, 04:05 UTCMay 28, 04:25 UTC20m
2026-05-28 CSN6221 NNG → XMN May 28, 01:15 UTCMay 28, 01:35 UTC20m
2026-05-27 CSN3296 CAN → NNG May 27, 13:30 UTCMay 27, 14:05 UTC35m
2026-05-26 CSN3419 CAN → KMG May 26, 14:00 UTCMay 26, 14:14 UTC15m
2026-05-21 CSN6222 XMN → NNG May 21, 01:15 UTCMay 21, 05:05 UTC3h 50m
2026-05-19 CSN6222 XMN → NNG May 19, 01:10 UTCMay 19, 04:30 UTC3h 20m
2026-05-12 CSN6222 XMN → NNG May 12, 04:05 UTCMay 12, 04:30 UTC25m
2026-05-11 CSN6222 XMN → NNG May 11, 01:05 UTCMay 11, 04:35 UTC3h 30m
2026-05-10 CSN3292 NNY → CAN May 10, 02:00 UTCMay 10, 02:14 UTC15m
2026-04-24 CSN3292 NNY → CAN Apr 24, 02:15 UTCApr 24, 02:25 UTC10m
2026-04-16 CSN6222 XMN → NNG Apr 16, 04:20 UTCApr 16, 04:44 UTC25m
2026-04-14 CSN6222 XMN → NNG Apr 14, 05:15 UTCApr 14, 05:25 UTC10m

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-5587 page for operator, model, and routing details .

Mode-S 78074C frequently asked

What is Mode-S code 78074C?
78074C is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-5587.
Where is Mode-S 78074C registered?
Mode-S code 78074C is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 78074C broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 78074C, octal 36003514, decimal 7,866,188.
What flights does 78074C operate?
Mode-S 78074C has broadcast 12 distinct callsigns, including CSN6222, CSN3791, CSN3419, CSN3292, CSN3792.