Apparatus

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sensors Mode-S transponder

781929

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-30EQ · AIRBUS A-321neo

Hex
781929
Octal
36014451
Decimal
7,870,761
Country
CN
Tail
B-30EQ
Type
A21N
Transponder active on ground
Flights observed
76
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 13:05 UTC

Last known position

Most recent position reported by Mode-S 781929.

Country allocation

The ICAO 24-bit address 781929 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
DKH1601 Juneyao Airlines 18 2026-07-26
DKH1127 Juneyao Airlines 17 2026-05-11
DKH1128 Juneyao Airlines 11 2026-04-22
DKH1271 Juneyao Airlines 5 2026-07-23
DKH1602 Juneyao Airlines 3 2026-07-26
DKH1177 Juneyao Airlines 3 2026-05-18
DKH1888 Juneyao Airlines 2 2026-05-10
DKH1887 Juneyao Airlines 2 2026-05-10
DKH2288 Juneyao Airlines 1 2026-05-25
DKH1884 Juneyao Airlines 1 2026-05-12
DKH1883 Juneyao Airlines 1 2026-05-12
DKH1854 - 1 2026-06-20
DKH1853 - 1 2026-06-24
DKH1790 Juneyao Airlines 1 2026-05-12
DKH1576 Juneyao Airlines 1 2026-05-27
DKH1575 Juneyao Airlines 1 2026-05-26
DKH1312 Juneyao Airlines 1 2026-05-27
DKH1311 Juneyao Airlines 1 2026-05-26
DKH1178 - 1 2026-04-13
DKH1156 Juneyao Airlines 1 2026-05-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 DKH1602 SIN → PVG Jul 26, 08:45 UTCJul 26, 13:05 UTC4h 20m
2026-07-26 DKH1601 PVG → SIN Jul 26, 06:25 UTCJul 26, 06:50 UTC26m
2026-07-25 DKH1602 SIN → PVG Jul 25, 09:00 UTCJul 26, 03:30 UTC18h 30m
2026-07-24 DKH1601 PVG → SIN Jul 24, 12:20 UTCJul 25, 07:45 UTC19h 25m
2026-07-24 DKH1601 PVG → SIN Jul 24, 12:00 UTCJul 25, 07:45 UTC19h 45m
2026-07-24 DKH1601 PVG → SIN Jul 24, 08:45 UTCJul 25, 07:45 UTC23h 0m
2026-07-24 DKH1601 PVG → SIN Jul 24, 06:35 UTCJul 24, 06:50 UTC15m
2026-07-23 DKH1601 PVG → SIN Jul 23, 10:05 UTCJul 24, 03:35 UTC17h 30m
2026-07-23 DKH1601 PVG → SIN Jul 23, 04:45 UTCJul 24, 03:35 UTC22h 50m
2026-07-23 DKH1271 SHA → HAK Jul 23, 00:40 UTCJul 23, 14:55 UTC14h 15m
2026-07-22 DKH1271 SHA → HAK Jul 22, 12:40 UTCJul 23, 10:35 UTC21h 55m
2026-07-22 DKH1271 SHA → HAK Jul 22, 02:20 UTCJul 23, 02:05 UTC23h 45m
2026-07-21 DKH1601 PVG → SIN Jul 21, 16:35 UTCJul 22, 13:40 UTC21h 5m
2026-07-21 DKH1601 PVG → SIN Jul 21, 15:20 UTCJul 22, 13:40 UTC22h 20m
2026-07-21 DKH1601 PVG → SIN Jul 21, 06:40 UTCJul 22, 03:20 UTC20h 40m
2026-07-21 DKH1601 PVG → SIN Jul 21, 05:30 UTCJul 22, 03:20 UTC21h 50m
2026-07-21 DKH1271 SHA → HAK Jul 21, 00:45 UTCJul 21, 16:35 UTC15h 50m
2026-07-20 DKH1271 SHA → HAK Jul 20, 12:35 UTCJul 21, 06:50 UTC18h 14m
2026-07-20 DKH1602 SIN → PVG Jul 20, 09:00 UTCJul 21, 06:50 UTC21h 50m
2026-07-19 DKH1601 PVG → SIN Jul 19, 12:30 UTCJul 20, 06:45 UTC18h 15m
2026-07-19 DKH1601 PVG → SIN Jul 19, 12:10 UTCJul 20, 06:45 UTC18h 35m
2026-07-19 DKH1601 PVG → SIN Jul 19, 08:55 UTCJul 20, 06:45 UTC21h 50m
2026-07-18 DKH1601 PVG → SIN Jul 18, 12:20 UTCJul 19, 06:30 UTC18h 10m
2026-07-18 DKH1601 PVG → SIN Jul 18, 08:55 UTCJul 19, 06:30 UTC21h 35m
2026-07-18 DKH1601 PVG → SIN Jul 18, 06:30 UTCJul 18, 06:50 UTC20m
2026-07-18 DKH1601 PVG → SIN Jul 18, 02:45 UTCJul 18, 03:45 UTC1h 1m
2026-07-11 DKH1066 - Jul 11, 03:50 UTCJul 11, 04:10 UTC20m
2026-06-24 DKH1853 - Jun 24, 17:20 UTCJun 24, 17:29 UTC10m
2026-06-20 DKH1854 - Jun 20, 23:10 UTCJun 20, 23:19 UTC10m
2026-05-27 DKH1576 SIN → PVG May 27, 16:15 UTCMay 27, 20:25 UTC4h 10m
2026-05-27 DKH1312 KHH → PVG May 27, 04:49 UTCMay 27, 13:30 UTC8h 41m
2026-05-26 DKH1311 PVG → KHH May 26, 15:54 UTCMay 27, 03:24 UTC11h 30m
2026-05-26 DKH1575 PVG → SIN May 26, 09:55 UTCMay 26, 13:45 UTC3h 50m
2026-05-25 DKH1156 ZUH → PVG May 25, 13:50 UTCMay 25, 14:05 UTC15m
2026-05-25 DKH1155 PVG → ZUH May 25, 11:15 UTCMay 25, 12:15 UTC1h 0m
2026-05-25 DKH2288 CAN → SHA May 25, 04:35 UTCMay 25, 04:45 UTC10m
2026-05-20 DKH1087 PVG → HAK May 20, 08:55 UTCMay 20, 10:10 UTC1h 15m
2026-05-18 DKH1177 SHA → SYX May 18, 03:20 UTCMay 18, 07:05 UTC3h 45m
2026-05-13 DKH1177 SHA → SYX May 13, 03:10 UTCMay 13, 07:00 UTC3h 50m
2026-05-12 DKH1790 XMN → NKG May 12, 12:45 UTCMay 12, 12:55 UTC10m
2026-05-12 DKH1884 SZX → SHA May 12, 05:30 UTCMay 12, 05:40 UTC10m
2026-05-12 DKH1883 SHA → SZX May 12, 03:50 UTCMay 12, 04:10 UTC20m
2026-05-11 DKH1127 SHA → SYX May 11, 09:50 UTCMay 11, 13:35 UTC3h 45m
2026-05-10 DKH1888 SZX → SHA May 10, 13:25 UTCMay 10, 13:35 UTC10m
2026-05-10 DKH1887 SHA → SZX May 10, 11:35 UTCMay 10, 11:55 UTC20m
2026-04-25 DKH1127 SHA → SYX Apr 25, 09:55 UTCApr 25, 13:50 UTC3h 55m
2026-04-24 DKH1127 SHA → SYX Apr 24, 13:35 UTCApr 25, 10:15 UTC20h 40m
2026-04-24 DKH1127 SHA → SYX Apr 24, 10:20 UTCApr 25, 10:15 UTC23h 55m
2026-04-23 DKH1127 SHA → SYX Apr 23, 13:40 UTCApr 24, 10:35 UTC20h 55m
2026-04-23 DKH1127 SHA → SYX Apr 23, 10:20 UTCApr 24, 10:15 UTC23h 54m

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-30EQ page for operator, model, and routing details .

Mode-S 781929 frequently asked

What is Mode-S code 781929?
781929 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-30EQ.
Where is Mode-S 781929 registered?
Mode-S code 781929 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 781929 broadcasting right now?
Mode-S 781929 is currently broadcasting from the ground.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 781929, octal 36014451, decimal 7,870,761.
What flights does 781929 operate?
Mode-S 781929 has broadcast 20 distinct callsigns, including DKH1601, DKH1127, DKH1128, DKH1271, DKH1602.