Apparatus

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sensors Mode-S transponder

780033

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-2832 · BOEING 757-200

Hex
780033
Octal
36000063
Decimal
7,864,371
Country
CN
Tail
B-2832
Type
B752
No current signal · last broadcast Jul 25, 21:55 UTC
Flights observed
64
Distinct callsigns
20
Country
CN
Last broadcast
Jul 25, 21:55 UTC

Last known position

Most recent position reported by Mode-S 780033.

Country allocation

The ICAO 24-bit address 780033 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
YZR7912 Yangtze River Express 5 2026-07-24
YZR7911 Yangtze River Express 5 2026-07-24
CSS313 - 3 2026-07-13
CSS280 - 3 2026-07-07
CSS279 - 3 2026-07-07
CSS142 - 3 2026-07-07
CSS141 - 3 2026-07-06
CSS7278 - 2 2026-07-09
CSS6848 - 2 2026-04-15
CSS6840 - 2 2026-07-09
CSS6828 SF Airlines 2 2026-06-16
CSS6805 - 2 2026-07-13
CSS326 - 2 2026-04-13
CSS314 - 2 2026-07-13
CSS7413 - 1 2026-04-17
CSS7410 SF Airlines 1 2026-04-17
CSS7277 - 1 2026-07-08
CSS7239 SF Airlines 1 2026-06-10
CSS7204 - 1 2026-06-14
CSS7203 - 1 2026-06-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CSS6864 EHU → CAN Jul 25, 21:45 UTCJul 25, 21:55 UTC10m
2026-07-24 YZR7912 TPE → CAN Jul 24, 21:10 UTCJul 24, 22:30 UTC1h 20m
2026-07-24 YZR7911 CAN → TPE Jul 24, 18:25 UTCJul 24, 20:00 UTC1h 35m
2026-07-23 YZR7912 TPE → CAN Jul 23, 20:30 UTCJul 23, 21:55 UTC1h 25m
2026-07-23 YZR7911 - Jul 23, 18:10 UTCJul 23, 19:30 UTC1h 20m
2026-07-22 YZR7912 TPE → CAN Jul 22, 20:35 UTCJul 22, 21:40 UTC1h 5m
2026-07-22 YZR7911 - Jul 22, 18:05 UTCJul 22, 19:30 UTC1h 25m
2026-07-21 YZR7912 TPE → CAN Jul 21, 20:45 UTCJul 21, 22:05 UTC1h 20m
2026-07-21 YZR7911 - Jul 21, 18:05 UTCJul 21, 19:30 UTC1h 25m
2026-07-20 YZR7912 TPE → CAN Jul 20, 21:10 UTCJul 20, 22:30 UTC1h 20m
2026-07-20 YZR7911 - Jul 20, 18:10 UTCJul 20, 19:40 UTC1h 30m
2026-07-13 CSS6805 - Jul 13, 16:35 UTCJul 13, 16:45 UTC10m
2026-07-13 CSS314 - Jul 13, 11:00 UTCJul 13, 11:15 UTC15m
2026-07-13 CSS313 - Jul 13, 09:00 UTCJul 13, 09:10 UTC10m
2026-07-13 CSS313 - Jul 13, 07:01 UTCJul 13, 07:15 UTC15m
2026-07-12 CSS6802 - Jul 12, 21:40 UTCJul 12, 21:55 UTC15m
2026-07-09 CSS7278 - Jul 9, 20:40 UTCJul 9, 20:50 UTC10m
2026-07-09 CSS6840 - Jul 9, 18:45 UTCJul 9, 19:05 UTC20m
2026-07-09 CSS272 - Jul 9, 06:20 UTCJul 9, 07:15 UTC55m
2026-07-09 CSS271 - Jul 9, 03:55 UTCJul 9, 05:05 UTC1h 10m
2026-07-08 CSS6839 - Jul 8, 22:10 UTCJul 8, 22:25 UTC15m
2026-07-08 CSS7277 - Jul 8, 19:15 UTCJul 8, 19:55 UTC40m
2026-07-07 CSS142 - Jul 7, 15:45 UTCJul 7, 16:05 UTC20m
2026-07-07 CSS279 - Jul 7, 06:05 UTCJul 7, 06:30 UTC25m
2026-07-07 CSS280 - Jul 7, 03:05 UTCJul 7, 03:25 UTC20m
2026-07-06 CSS141 - Jul 6, 23:40 UTCJul 7, 00:05 UTC25m
2026-07-02 CSS142 - Jul 2, 14:50 UTCJul 2, 15:15 UTC25m
2026-07-02 CSS279 - Jul 2, 05:55 UTCJul 2, 06:20 UTC25m
2026-07-02 CSS280 - Jul 2, 03:00 UTCJul 2, 03:15 UTC15m
2026-07-01 CSS141 - Jul 1, 23:05 UTCJul 1, 23:25 UTC20m
2026-06-26 CSS142 - Jun 26, 14:50 UTCJun 26, 15:10 UTC20m
2026-06-26 CSS279 - Jun 26, 06:00 UTCJun 26, 06:19 UTC20m
2026-06-26 CSS280 - Jun 26, 03:00 UTCJun 26, 03:15 UTC15m
2026-06-25 CSS141 - Jun 25, 23:24 UTCJun 25, 23:49 UTC25m
2026-06-18 CSS6938 - Jun 18, 16:35 UTCJun 18, 16:45 UTC10m
2026-06-18 CSS6814 - Jun 18, 01:15 UTCJun 18, 01:30 UTC15m
2026-06-17 CSS6813 - Jun 17, 18:30 UTCJun 17, 18:45 UTC15m
2026-06-16 CSS6828 PVG → SZX Jun 16, 22:35 UTCJun 16, 22:50 UTC15m
2026-06-16 CSS6828 PVG → SZX Jun 16, 21:30 UTCJun 16, 22:00 UTC30m
2026-06-16 CSS6827 SZX → PVG Jun 16, 17:19 UTCJun 16, 17:30 UTC10m
2026-06-16 CSS314 - Jun 16, 13:00 UTCJun 16, 14:25 UTC1h 25m
2026-06-16 CSS313 SZX → BKK Jun 16, 08:25 UTCJun 16, 10:55 UTC2h 30m
2026-06-14 CSS7204 - Jun 14, 22:00 UTCJun 14, 22:15 UTC15m
2026-06-14 CSS7203 - Jun 14, 20:00 UTCJun 14, 20:10 UTC10m
2026-06-12 CSS7202 PEK → PVG Jun 12, 21:55 UTCJun 12, 22:10 UTC15m
2026-06-10 CSS7239 HGH → PEK Jun 10, 22:05 UTCJun 10, 22:20 UTC15m
2026-06-06 CSS7119 PEK → HGH Jun 6, 16:50 UTCJun 6, 17:00 UTC10m
2026-06-01 CSS6805 SZX → EHU Jun 1, 16:35 UTCJun 1, 16:50 UTC15m
2026-05-31 CSS6804 EHU → SZX May 31, 21:05 UTCMay 31, 21:20 UTC15m
2026-05-28 CSS7278 - May 28, 20:35 UTCMay 28, 20:45 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-2832 page for operator, model, and routing details .

Mode-S 780033 frequently asked

What is Mode-S code 780033?
780033 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-2832.
Where is Mode-S 780033 registered?
Mode-S code 780033 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780033 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 21:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780033, octal 36000063, decimal 7,864,371.
What flights does 780033 operate?
Mode-S 780033 has broadcast 20 distinct callsigns, including YZR7912, YZR7911, CSS313, CSS280, CSS279.