Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

7816DE

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-20AY · BOEING 737 MAX 8

Hex
7816DE
Octal
36013336
Decimal
7,870,174
Country
CN
Tail
B-20AY
Type
B38M
No current signal · last broadcast 1d ago
Flights observed
80
Distinct callsigns
20
Country
CN
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 7816DE.

Country allocation

The ICAO 24-bit address 7816DE 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
CSH866 Shanghai Airlines 8 2026-05-15
CSH858 Shanghai Airlines 6 2026-05-22
CSH9539 Shanghai Airlines 5 2026-05-03
CSH865 Shanghai Airlines 5 2026-05-14
CSH831 Shanghai Airlines 5 2026-05-16
CSH863 Shanghai Airlines 4 2026-05-14
CSH862 Shanghai Airlines 4 2026-04-21
CSH861 Shanghai Airlines 4 2026-04-21
CSH857 Shanghai Airlines 4 2026-05-22
CSH848 Shanghai Airlines 4 2026-05-01
CSH847 Shanghai Airlines 4 2026-05-01
CSH868 Shanghai Airlines 3 2026-05-28
CSH867 Shanghai Airlines 3 2026-05-28
CSH833 Shanghai Airlines 3 2026-04-18
CSH854 Shanghai Airlines 2 2026-04-16
CSH841 Shanghai Airlines 2 2026-05-10
CSH834 - 2 2026-04-13
CSH814 Shanghai Airlines 2 2026-05-23
CSH813 Shanghai Airlines 2 2026-05-23
CSH812 Shanghai Airlines 2 2026-05-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-28 CSH868 BKI → PVG May 28, 17:45 UTCMay 28, 20:15 UTC2h 30m
2026-05-28 CSH867 PVG → BKI May 28, 13:20 UTCMay 28, 16:35 UTC3h 15m
2026-05-23 CSH814 KUL → FOC May 23, 19:25 UTCMay 24, 10:25 UTC15h 0m
2026-05-23 CSH813 FOC → KUL May 23, 13:00 UTCMay 23, 16:50 UTC3h 50m
2026-05-22 CSH858 HKT → PVG May 22, 13:35 UTCMay 23, 08:25 UTC18h 49m
2026-05-22 CSH857 PVG → HKT May 22, 11:35 UTCMay 23, 08:25 UTC20h 50m
2026-05-21 CSH857 PVG → HKT May 21, 17:35 UTCMay 22, 17:30 UTC23h 55m
2026-05-21 CSH857 PVG → HKT May 21, 16:45 UTCMay 22, 14:05 UTC21h 20m
2026-05-21 CSH857 PVG → HKT May 21, 13:35 UTCMay 22, 13:30 UTC23h 55m
2026-05-16 CSH832 HKT → PVG May 16, 13:35 UTCMay 17, 09:05 UTC19h 30m
2026-05-16 CSH831 PVG → HKT May 16, 11:55 UTCMay 17, 09:05 UTC21h 10m
2026-05-16 CSH831 PVG → HKT May 16, 06:35 UTCMay 17, 04:20 UTC21h 45m
2026-05-16 CSH831 PVG → HKT May 16, 03:10 UTCMay 16, 20:15 UTC17h 6m
2026-05-15 CSH831 PVG → HKT May 15, 15:45 UTCMay 16, 14:16 UTC22h 31m
2026-05-15 CSH866 KUL → PVG May 15, 12:30 UTCMay 16, 06:45 UTC18h 15m
2026-05-14 CSH865 PVG → KUL May 14, 23:05 UTCMay 15, 11:00 UTC11h 55m
2026-05-14 CSH863 PVG → KUL May 14, 03:45 UTCMay 14, 21:40 UTC17h 55m
2026-05-11 CSH842 BKK → PVG May 11, 03:05 UTCMay 11, 05:20 UTC2h 15m
2026-05-10 CSH841 CGQ → PVG May 10, 10:55 UTCMay 10, 18:20 UTC7h 25m
2026-05-09 CSH858 HKT → PVG May 9, 17:35 UTCMay 10, 16:20 UTC22h 45m
2026-05-09 CSH858 HKT → PVG May 9, 16:45 UTCMay 10, 10:55 UTC18h 10m
2026-05-09 CSH858 HKT → PVG May 9, 13:35 UTCMay 10, 10:55 UTC21h 20m
2026-05-09 CSH858 HKT → PVG May 9, 11:35 UTCMay 10, 10:55 UTC23h 20m
2026-05-09 CSH858 HKT → PVG May 9, 11:20 UTCMay 9, 19:19 UTC8h 0m
2026-05-07 CSH831 PVG → HKT May 7, 05:10 UTCMay 7, 20:15 UTC15h 5m
2026-05-06 CSH853 PVG → BKK May 6, 07:15 UTCMay 6, 14:40 UTC7h 25m
2026-05-06 CSH812 HKG → PVG May 6, 06:10 UTCMay 6, 06:30 UTC20m
2026-05-06 CSH812 HKG → PVG May 6, 04:00 UTCMay 6, 04:20 UTC20m
2026-05-05 CSH866 KUL → PVG May 5, 12:50 UTCMay 6, 03:10 UTC14h 20m
2026-05-04 CSH865 PVG → KUL May 4, 23:05 UTCMay 5, 11:35 UTC12h 30m
2026-05-04 CSH863 PVG → KUL May 4, 17:10 UTCMay 4, 21:40 UTC4h 31m
2026-05-03 CSH9539 PVG → SYX May 3, 03:15 UTCMay 3, 09:00 UTC5h 44m
2026-05-02 CSH9539 PVG → SYX May 2, 12:05 UTCMay 3, 09:00 UTC20h 54m
2026-05-02 CSH9539 PVG → SYX May 2, 10:05 UTCMay 3, 09:00 UTC22h 54m
2026-05-01 CSH848 BKK → PVG May 1, 22:00 UTCMay 2, 08:35 UTC10h 35m
2026-05-01 CSH847 PVG → BKK May 1, 18:15 UTCMay 1, 20:35 UTC2h 20m
2026-04-30 CSH814 KUL → FOC Apr 30, 19:45 UTCMay 1, 18:35 UTC22h 50m
2026-04-30 CSH813 FOC → KUL Apr 30, 13:45 UTCApr 30, 17:00 UTC3h 15m
2026-04-29 CSH866 KUL → PVG Apr 29, 15:50 UTCApr 30, 13:45 UTC21h 55m
2026-04-29 CSH866 KUL → PVG Apr 29, 12:45 UTCApr 29, 15:55 UTC3h 10m
2026-04-28 CSH865 PVG → KUL Apr 28, 23:10 UTCApr 29, 11:25 UTC12h 15m
2026-04-28 CSH863 PVG → KUL Apr 28, 17:00 UTCApr 28, 21:40 UTC4h 40m
2026-04-26 CSH877 PVG → PEN Apr 26, 18:50 UTCApr 27, 03:50 UTC9h 0m
2026-04-22 CSH878 PEN → PVG Apr 22, 19:45 UTCApr 23, 04:35 UTC8h 50m
2026-04-21 CSH862 KUL → PVG Apr 21, 18:45 UTCApr 21, 22:40 UTC3h 55m
2026-04-21 CSH861 PVG → KUL Apr 21, 03:35 UTCApr 21, 16:15 UTC12h 40m
2026-04-20 CSH861 PVG → KUL Apr 20, 15:35 UTCApr 21, 15:01 UTC23h 25m
2026-04-20 CSH866 KUL → PVG Apr 20, 12:30 UTCApr 21, 06:45 UTC18h 15m
2026-04-20 CSH865 PVG → KUL Apr 20, 10:25 UTCApr 20, 10:45 UTC20m
2026-04-19 CSH866 KUL → PVG Apr 19, 16:05 UTCApr 20, 09:35 UTC17h 30m

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-20AY page for operator, model, and routing details .

Mode-S 7816DE frequently asked

What is Mode-S code 7816DE?
7816DE is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-20AY.
Where is Mode-S 7816DE registered?
Mode-S code 7816DE is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7816DE broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7816DE, octal 36013336, decimal 7,870,174.
What flights does 7816DE operate?
Mode-S 7816DE has broadcast 20 distinct callsigns, including CSH866, CSH858, CSH9539, CSH865, CSH831.