Apparatus

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sensors Mode-S transponder

7823DA

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-32Q8 · AIRBUS A-330-200

Hex
7823DA
Octal
36021732
Decimal
7,873,498
Country
CN
Tail
B-32Q8
Type
A332
No current signal · last broadcast Jul 26, 20:00 UTC
Flights observed
224
Distinct callsigns
18
Country
CN
Last broadcast
Jul 26, 20:00 UTC

Last known position

Most recent position reported by Mode-S 7823DA.

Country allocation

The ICAO 24-bit address 7823DA 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 18 distinct

Callsign Airline Flights Last seen
JDL2747 - 61 2026-07-22
JDL2917 - 27 2026-06-03
JDL2748 - 18 2026-07-23
JDL2119 - 18 2026-06-28
JDL2746 - 14 2026-07-26
JDL2745 - 14 2026-07-26
JDL2120 - 14 2026-06-24
JDL2942 - 12 2026-06-23
JDL2918 - 11 2026-05-16
JDL2126 - 7 2026-07-26
JDL2102 - 7 2026-05-13
JDL2101 - 7 2026-06-02
JDL2125 - 5 2026-07-25
JDL2796 - 4 2026-06-25
JDL2989 - 2 2026-04-15
JDL2990 - 1 2026-04-14
JDL2941 - 1 2026-04-13
JDL2128 - 1 2026-06-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 JDL2746 - Jul 26, 18:05 UTCJul 26, 20:00 UTC1h 55m
2026-07-26 JDL2746 - Jul 26, 16:35 UTCJul 26, 16:50 UTC15m
2026-07-26 JDL2745 - Jul 26, 13:50 UTCJul 26, 14:05 UTC15m
2026-07-26 JDL2126 - Jul 26, 02:20 UTCJul 26, 12:25 UTC10h 6m
2026-07-25 JDL2125 - Jul 25, 21:15 UTCJul 26, 00:05 UTC2h 50m
2026-07-24 JDL2746 - Jul 24, 17:45 UTCJul 24, 19:45 UTC2h 0m
2026-07-24 JDL2746 - Jul 24, 16:15 UTCJul 24, 16:25 UTC10m
2026-07-24 JDL2745 - Jul 24, 13:35 UTCJul 24, 13:50 UTC15m
2026-07-24 JDL2126 - Jul 24, 02:15 UTCJul 24, 12:10 UTC9h 55m
2026-07-23 JDL2748 DEL → DEL Jul 23, 09:00 UTCJul 23, 23:55 UTC14h 55m
2026-07-22 JDL2747 - Jul 22, 12:35 UTCJul 23, 06:55 UTC18h 20m
2026-07-22 JDL2747 - Jul 22, 11:15 UTCJul 23, 06:55 UTC19h 40m
2026-07-22 JDL2747 - Jul 22, 10:20 UTCJul 23, 06:55 UTC20h 35m
2026-07-22 JDL2746 - Jul 22, 04:35 UTCJul 23, 04:30 UTC23h 55m
2026-07-21 JDL2746 - Jul 21, 19:20 UTCJul 22, 13:00 UTC17h 40m
2026-07-21 JDL2746 - Jul 21, 17:55 UTCJul 22, 13:00 UTC19h 5m
2026-07-21 JDL2745 - Jul 21, 13:50 UTCJul 21, 14:00 UTC10m
2026-07-21 JDL2126 - Jul 21, 02:25 UTCJul 21, 12:30 UTC10h 5m
2026-07-20 JDL2125 - Jul 20, 08:45 UTCJul 21, 00:15 UTC15h 30m
2026-07-20 JDL2747 - Jul 20, 03:40 UTCJul 20, 06:40 UTC3h 0m
2026-07-19 JDL2747 - Jul 19, 10:35 UTCJul 20, 06:40 UTC20h 5m
2026-07-19 JDL2747 - Jul 19, 10:20 UTCJul 20, 06:40 UTC20h 20m
2026-07-19 JDL2746 - Jul 19, 08:50 UTCJul 19, 09:00 UTC10m
2026-07-19 JDL2745 - Jul 19, 06:10 UTCJul 19, 06:30 UTC20m
2026-07-18 JDL2745 - Jul 18, 10:35 UTCJul 19, 04:55 UTC18h 20m
2026-07-18 JDL2748 - Jul 18, 08:35 UTCJul 19, 04:55 UTC20h 20m
2026-07-18 JDL2748 - Jul 18, 08:10 UTCJul 19, 04:55 UTC20h 45m
2026-07-17 JDL2747 - Jul 17, 18:50 UTCJul 18, 06:20 UTC11h 31m
2026-07-17 JDL2745 - Jul 17, 14:00 UTCJul 17, 14:35 UTC35m
2026-07-17 JDL2126 - Jul 17, 01:55 UTCJul 17, 12:45 UTC10h 50m
2026-07-16 JDL2748 - Jul 16, 08:15 UTCJul 16, 23:49 UTC15h 35m
2026-07-15 JDL2747 - Jul 15, 10:35 UTCJul 16, 06:10 UTC19h 35m
2026-07-15 JDL2747 - Jul 15, 08:55 UTCJul 16, 06:10 UTC21h 15m
2026-07-15 JDL2745 - Jul 15, 06:05 UTCJul 15, 06:15 UTC10m
2026-07-14 JDL2746 - Jul 14, 17:40 UTCJul 15, 04:45 UTC11h 4m
2026-07-14 JDL2746 - Jul 14, 16:10 UTCJul 14, 16:20 UTC10m
2026-07-14 JDL2745 - Jul 14, 13:20 UTCJul 14, 13:40 UTC20m
2026-07-14 JDL2126 - Jul 14, 01:45 UTCJul 14, 11:55 UTC10h 10m
2026-07-13 JDL2748 DEL → DEL Jul 13, 09:05 UTCJul 13, 23:30 UTC14h 25m
2026-07-12 JDL2747 - Jul 12, 12:35 UTCJul 13, 06:55 UTC18h 20m
2026-07-12 JDL2747 - Jul 12, 10:40 UTCJul 13, 06:55 UTC20h 15m
2026-07-12 JDL2746 - Jul 12, 09:05 UTCJul 13, 06:55 UTC21h 50m
2026-07-12 JDL2745 - Jul 12, 06:20 UTCJul 12, 06:40 UTC20m
2026-07-11 JDL2745 - Jul 11, 10:35 UTCJul 12, 04:40 UTC18h 5m
2026-07-11 JDL2748 - Jul 11, 09:00 UTCJul 12, 04:40 UTC19h 40m
2026-07-10 JDL2747 - Jul 10, 17:55 UTCJul 11, 06:20 UTC12h 25m
2026-07-10 JDL2746 - Jul 10, 16:25 UTCJul 10, 16:45 UTC20m
2026-07-10 JDL2745 - Jul 10, 13:15 UTCJul 10, 13:30 UTC15m
2026-07-10 JDL2126 - Jul 10, 01:30 UTCJul 10, 11:55 UTC10h 25m
2026-07-09 JDL2125 - Jul 9, 20:10 UTCJul 9, 22:55 UTC2h 45m

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-32Q8 page for operator, model, and routing details .

Mode-S 7823DA frequently asked

What is Mode-S code 7823DA?
7823DA is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-32Q8.
Where is Mode-S 7823DA registered?
Mode-S code 7823DA is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7823DA broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7823DA, octal 36021732, decimal 7,873,498.
What flights does 7823DA operate?
Mode-S 7823DA has broadcast 18 distinct callsigns, including JDL2747, JDL2917, JDL2748, JDL2119, JDL2746.