Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

781373

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1263 · BOEING 737 MAX 8

Hex
781373
Octal
36011563
Decimal
7,869,299
Country
CN
Tail
B-1263
Type
B38M
No current signal · last broadcast 8d ago
Flights observed
43
Distinct callsigns
20
Country
CN
Last broadcast
8d ago

Last known position

Most recent position reported by Mode-S 781373.

Country allocation

The ICAO 24-bit address 781373 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
CSH833 Shanghai Airlines 5 2026-05-12
CSH857 Shanghai Airlines 4 2026-05-01
CSH847 Shanghai Airlines 4 2026-04-16
CSH863 Shanghai Airlines 3 2026-05-12
CSH834 Shanghai Airlines 3 2026-05-12
CSH811 Shanghai Airlines 3 2026-05-19
CSH9539 Shanghai Airlines 2 2026-05-24
CSH865 Shanghai Airlines 2 2026-05-16
CSH864 Shanghai Airlines 2 2026-05-12
CSH848 Shanghai Airlines 2 2026-04-16
CSH842 Shanghai Airlines 2 2026-05-10
CSH841 Shanghai Airlines 2 2026-05-09
CSH812 Shanghai Airlines 2 2026-05-19
CSH9255 Shanghai Airlines 1 2026-05-17
CSH868 Shanghai Airlines 1 2026-05-24
CSH867 Shanghai Airlines 1 2026-05-24
CSH866 Shanghai Airlines 1 2026-05-17
CSH861 Shanghai Airlines 1 2026-04-30
CSH839 Shanghai Airlines 1 2026-05-16
CSH832 Shanghai Airlines 1 2026-05-18

Recent flights last 43

DateFlightRouteTakeoffLandingDuration
2026-05-24 CSH9539 PVG → SYX May 24, 20:00 UTCMay 25, 07:55 UTC11h 55m
2026-05-24 CSH868 BKI → PVG May 24, 17:45 UTCMay 24, 18:05 UTC20m
2026-05-24 CSH867 PVG → BKI May 24, 13:05 UTCMay 24, 16:20 UTC3h 15m
2026-05-19 CSH812 HKG → PVG May 19, 06:20 UTCMay 19, 06:35 UTC15m
2026-05-19 CSH811 PVG → HKG May 19, 03:55 UTCMay 19, 04:35 UTC40m
2026-05-18 CSH832 HKT → PVG May 18, 02:30 UTCMay 18, 20:15 UTC17h 44m
2026-05-17 CSH9255 PVG → HAK May 17, 15:40 UTCMay 18, 14:45 UTC23h 5m
2026-05-17 CSH866 KUL → PVG May 17, 12:35 UTCMay 18, 03:45 UTC15h 10m
2026-05-16 CSH865 PVG → KUL May 16, 17:30 UTCMay 17, 10:55 UTC17h 25m
2026-05-16 CSH865 PVG → KUL May 16, 15:20 UTCMay 17, 10:55 UTC19h 35m
2026-05-16 CSH839 PVG → BKK May 16, 11:25 UTCMay 16, 13:41 UTC2h 15m
2026-05-14 CSH9539 PVG → SYX May 14, 03:55 UTCMay 14, 09:10 UTC5h 15m
2026-05-12 CSH864 KUL → PVG May 12, 23:20 UTCMay 13, 03:15 UTC3h 55m
2026-05-12 CSH863 PVG → KUL May 12, 21:10 UTCMay 12, 21:25 UTC15m
2026-05-12 CSH834 BKK → PVG May 12, 10:15 UTCMay 12, 18:20 UTC8h 5m
2026-05-12 CSH833 PVG → BKK May 12, 06:00 UTCMay 12, 08:15 UTC2h 15m
2026-05-10 CSH842 BKK → PVG May 10, 03:10 UTCMay 10, 13:35 UTC10h 25m
2026-05-09 CSH841 CGQ → PVG May 9, 10:45 UTCMay 9, 18:15 UTC7h 30m
2026-05-03 CSH812 HKG → PVG May 3, 06:25 UTCMay 3, 07:25 UTC1h 0m
2026-05-03 CSH811 PVG → HKG May 3, 04:20 UTCMay 3, 04:35 UTC15m
2026-05-03 CSH811 PVG → HKG May 3, 03:10 UTCMay 3, 03:30 UTC19m
2026-05-01 CSH857 PVG → HKT May 1, 11:45 UTCMay 1, 19:30 UTC7h 45m
2026-04-30 CSH857 PVG → HKT Apr 30, 22:50 UTCMay 1, 19:30 UTC20h 40m
2026-04-30 CSH857 PVG → HKT Apr 30, 22:00 UTCMay 1, 19:30 UTC21h 30m
2026-04-30 CSH857 PVG → HKT Apr 30, 18:50 UTCMay 1, 17:55 UTC23h 5m
2026-04-30 CSH861 PVG → KUL Apr 30, 12:00 UTCApr 30, 16:30 UTC4h 30m
2026-04-29 CSH842 BKK → PVG Apr 29, 03:04 UTCApr 29, 05:20 UTC2h 15m
2026-04-28 CSH841 CGQ → PVG Apr 28, 16:40 UTCApr 28, 18:50 UTC2h 10m
2026-04-17 CSH834 BKK → PVG Apr 17, 10:00 UTCApr 17, 10:10 UTC10m
2026-04-17 CSH833 PVG → BKK Apr 17, 08:05 UTCApr 17, 08:20 UTC15m
2026-04-17 CSH833 PVG → BKK Apr 17, 05:50 UTCApr 17, 06:10 UTC20m
2026-04-16 CSH848 BKK → PVG Apr 16, 22:15 UTCApr 16, 22:30 UTC15m
2026-04-16 CSH847 PVG → BKK Apr 16, 20:20 UTCApr 16, 20:35 UTC15m
2026-04-16 CSH847 PVG → BKK Apr 16, 18:10 UTCApr 16, 18:30 UTC20m
2026-04-16 CSH834 BKK → PVG Apr 16, 10:09 UTCApr 16, 10:45 UTC35m
2026-04-16 CSH833 PVG → BKK Apr 16, 08:09 UTCApr 16, 08:45 UTC35m
2026-04-16 CSH833 PVG → BKK Apr 16, 06:10 UTCApr 16, 06:29 UTC20m
2026-04-15 CSH848 BKK → PVG Apr 15, 22:10 UTCApr 15, 22:40 UTC30m
2026-04-15 CSH847 PVG → BKK Apr 15, 20:00 UTCApr 15, 20:25 UTC25m
2026-04-15 CSH847 PVG → BKK Apr 15, 18:10 UTCApr 15, 18:20 UTC10m
2026-04-14 CSH864 KUL → PVG Apr 14, 23:20 UTCApr 14, 23:50 UTC30m
2026-04-14 CSH863 PVG → KUL Apr 14, 21:15 UTCApr 14, 21:35 UTC20m
2026-04-14 CSH863 PVG → KUL Apr 14, 18:10 UTCApr 14, 18:25 UTC15m

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-1263 page for operator, model, and routing details .

Mode-S 781373 frequently asked

What is Mode-S code 781373?
781373 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1263.
Where is Mode-S 781373 registered?
Mode-S code 781373 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 781373 broadcasting right now?
No active broadcast right now. Last signal was 8d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 781373, octal 36011563, decimal 7,869,299.
What flights does 781373 operate?
Mode-S 781373 has broadcast 20 distinct callsigns, including CSH833, CSH857, CSH847, CSH863, CSH834.