Apparatus

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sensors Mode-S transponder

780297

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1408 · BOEING 737-800

Hex
780297
Octal
36001227
Decimal
7,864,983
Country
CN
Tail
B-1408
Type
B738
No current signal · last broadcast Jul 26, 08:50 UTC
Flights observed
189
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 08:50 UTC

Last known position

Most recent position reported by Mode-S 780297.

Country allocation

The ICAO 24-bit address 780297 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
CSN3881 - 11 2026-07-07
CSN3735 - 8 2026-07-19
CSN3689 China Southern Airlines 8 2026-07-25
CSN3665 - 8 2026-07-07
CSN8437 China Southern Airlines 7 2026-06-21
CSN8285 - 7 2026-07-14
CSN3791 - 6 2026-07-17
CSN3761 China Southern Airlines 6 2026-07-24
CSN3755 China Southern Airlines 6 2026-07-24
CSN3749 - 6 2026-06-27
CSN3733 China Southern Airlines 6 2026-07-23
CSN3465 China Southern Airlines 6 2026-07-22
CSN8701 - 5 2026-07-12
CSN3882 - 5 2026-07-07
CSN3736 - 5 2026-07-05
CSN3719 China Southern Airlines 5 2026-07-25
CSN8474 China Southern Airlines 4 2026-07-21
CSN6905 China Southern Airlines 4 2026-05-29
CSN3827 - 4 2026-07-14
CSN3750 - 4 2026-06-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CSN3789 ZUH → KMG Jul 26, 00:45 UTCJul 26, 08:50 UTC8h 6m
2026-07-25 CSN3719 CAN → LZH Jul 25, 12:25 UTCJul 25, 12:40 UTC15m
2026-07-25 CSN3689 ZUH → PVG Jul 25, 01:20 UTCJul 25, 01:30 UTC10m
2026-07-24 CSN3756 PVG → ZUH Jul 24, 12:45 UTCJul 24, 14:15 UTC1h 30m
2026-07-24 CSN3755 ZUH → PVG Jul 24, 08:45 UTCJul 24, 10:10 UTC1h 25m
2026-07-24 CSN3761 ZUH → XIY Jul 24, 00:05 UTCJul 24, 00:15 UTC10m
2026-07-23 CSN3733 ZUH → PEK Jul 23, 02:20 UTCJul 23, 02:30 UTC10m
2026-07-22 CSN5733 CAN → CQW Jul 22, 13:55 UTCJul 22, 14:05 UTC10m
2026-07-22 CSN3465 SZX → CKG Jul 22, 00:35 UTCJul 22, 00:45 UTC10m
2026-07-21 CSN8474 SGN → SZX Jul 21, 22:05 UTCJul 21, 22:20 UTC15m
2026-07-21 CSN8495 - Jul 21, 04:45 UTCJul 21, 05:00 UTC15m
2026-07-21 CSN6444 - Jul 21, 02:35 UTCJul 21, 02:55 UTC20m
2026-07-20 CSN6443 SZX → HAK Jul 20, 23:25 UTCJul 20, 23:35 UTC10m
2026-07-19 CSN3735 - Jul 19, 08:10 UTCJul 19, 08:20 UTC10m
2026-07-19 CSN3761 - Jul 19, 00:00 UTCJul 19, 00:10 UTC10m
2026-07-18 CSN3719 - Jul 18, 09:15 UTCJul 18, 09:25 UTC10m
2026-07-18 CSN8417 - Jul 18, 01:20 UTCJul 18, 01:34 UTC15m
2026-07-17 CSN3791 - Jul 17, 02:15 UTCJul 17, 02:25 UTC10m
2026-07-16 CSN3735 - Jul 16, 08:25 UTCJul 16, 08:35 UTC10m
2026-07-16 CSN3465 - Jul 16, 02:00 UTCJul 16, 02:10 UTC10m
2026-07-15 CSN3956 - Jul 15, 19:05 UTCJul 15, 19:20 UTC15m
2026-07-15 CSN5844 - Jul 15, 11:10 UTCJul 15, 12:10 UTC1h 0m
2026-07-15 CSN5843 - Jul 15, 04:15 UTCJul 15, 04:25 UTC10m
2026-07-14 CSN8474 - Jul 14, 21:40 UTCJul 14, 21:55 UTC15m
2026-07-14 CSN8473 - Jul 14, 15:10 UTCJul 14, 15:25 UTC15m
2026-07-14 CSN3828 - Jul 14, 11:50 UTCJul 14, 12:35 UTC45m
2026-07-14 CSN3827 - Jul 14, 07:05 UTCJul 14, 07:20 UTC15m
2026-07-14 CSN3466 - Jul 14, 05:25 UTCJul 14, 05:40 UTC15m
2026-07-14 CSN8285 - Jul 14, 00:25 UTCJul 14, 00:40 UTC15m
2026-07-13 CSN3755 - Jul 13, 08:01 UTCJul 13, 08:10 UTC10m
2026-07-13 CSN3767 - Jul 13, 01:10 UTCJul 13, 01:20 UTC10m
2026-07-12 CSN8701 - Jul 12, 11:10 UTCJul 12, 11:25 UTC15m
2026-07-12 CSN3733 - Jul 12, 02:15 UTCJul 12, 02:35 UTC20m
2026-07-12 CSN5734 - Jul 12, 00:30 UTCJul 12, 00:45 UTC15m
2026-07-11 CSN5733 - Jul 11, 13:35 UTCJul 11, 13:45 UTC10m
2026-07-11 CSN3729 - Jul 11, 06:55 UTCJul 11, 07:10 UTC15m
2026-07-11 CSN3465 - Jul 11, 00:50 UTCJul 11, 01:00 UTC10m
2026-07-10 CSN3956 - Jul 10, 16:05 UTCJul 10, 16:25 UTC20m
2026-07-10 CSN3955 - Jul 10, 13:15 UTCJul 10, 13:25 UTC10m
2026-07-10 CSN5844 - Jul 10, 10:05 UTCJul 10, 11:25 UTC1h 20m
2026-07-10 CSN5843 - Jul 10, 04:05 UTCJul 10, 04:15 UTC10m
2026-07-09 CSN8474 - Jul 9, 22:45 UTCJul 9, 23:00 UTC15m
2026-07-09 CSN8473 - Jul 9, 17:35 UTCJul 9, 17:45 UTC10m
2026-07-09 CSN3828 - Jul 9, 15:05 UTCJul 9, 15:25 UTC20m
2026-07-09 CSN3827 - Jul 9, 09:25 UTCJul 9, 09:35 UTC10m
2026-07-09 CSN8285 - Jul 9, 00:35 UTCJul 9, 00:50 UTC15m
2026-07-08 CSN8701 - Jul 8, 12:15 UTCJul 8, 12:30 UTC15m
2026-07-08 CSN3733 - Jul 8, 03:15 UTCJul 8, 03:30 UTC15m
2026-07-07 CSN3882 - Jul 7, 19:15 UTCJul 7, 19:35 UTC20m
2026-07-07 CSN3881 - Jul 7, 14:35 UTCJul 7, 14:45 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-1408 page for operator, model, and routing details .

Mode-S 780297 frequently asked

What is Mode-S code 780297?
780297 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1408.
Where is Mode-S 780297 registered?
Mode-S code 780297 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780297 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 08:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780297, octal 36001227, decimal 7,864,983.
What flights does 780297 operate?
Mode-S 780297 has broadcast 20 distinct callsigns, including CSN3881, CSN3735, CSN3689, CSN3665, CSN8437.