Apparatus

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sensors Mode-S transponder

781588

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-304F · AIRBUS A-320

Hex
781588
Octal
36012610
Decimal
7,869,832
Country
CN
Tail
B-304F
Type
A320
No current signal · last broadcast 19h ago
Flights observed
82
Distinct callsigns
20
Country
CN
Last broadcast
19h ago

Last known position

Most recent position reported by Mode-S 781588.

Country allocation

The ICAO 24-bit address 781588 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
CCA1203 - 8 2026-07-09
CCA8214 - 7 2026-07-17
CCA1204 - 7 2026-07-17
CCA8240 - 6 2026-07-04
CCA8223 - 4 2026-07-04
CCA8208 - 4 2026-07-04
CCA8206 - 4 2026-07-10
CCA120 - 4 2026-07-10
CCA8239 - 3 2026-06-28
CCA8234 - 3 2026-07-12
CCA8233 - 3 2026-07-12
CCA8224 - 3 2026-07-11
CCA8216 - 3 2026-07-03
CCA8285 Air China 2 2026-05-21
CCA1867 - 2 2026-06-24
CCA119 - 2 2026-07-10
CCA1135 - 2 2026-07-13
CCA9746 - 1 2026-07-13
CCA8288 Air China 1 2026-04-19
CCA8247 - 1 2026-07-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 CCA8214 - Jul 17, 12:19 UTCJul 17, 12:35 UTC15m
2026-07-17 CCA1204 - Jul 17, 09:55 UTCJul 17, 10:10 UTC15m
2026-07-14 CCA8214 - Jul 14, 12:10 UTCJul 14, 12:30 UTC20m
2026-07-14 CCA1487 - Jul 14, 05:10 UTCJul 14, 05:30 UTC20m
2026-07-13 CCA1135 - Jul 13, 23:20 UTCJul 13, 23:30 UTC10m
2026-07-13 CCA9746 - Jul 13, 12:45 UTCJul 13, 13:00 UTC15m
2026-07-12 CCA8234 - Jul 12, 03:15 UTCJul 12, 03:25 UTC10m
2026-07-12 CCA8233 - Jul 12, 00:50 UTCJul 12, 01:15 UTC25m
2026-07-11 CCA8224 - Jul 11, 17:20 UTCJul 11, 17:35 UTC15m
2026-07-11 CCA8247 - Jul 11, 01:25 UTCJul 11, 01:40 UTC15m
2026-07-10 CCA120 - Jul 10, 09:45 UTCJul 10, 09:55 UTC10m
2026-07-10 CCA119 - Jul 10, 07:50 UTCJul 10, 08:10 UTC20m
2026-07-10 CCA8206 - Jul 10, 04:00 UTCJul 10, 04:20 UTC20m
2026-07-09 CCA1203 - Jul 9, 04:55 UTCJul 9, 05:25 UTC30m
2026-07-09 CCA8203 - Jul 9, 02:55 UTCJul 9, 03:10 UTC15m
2026-07-06 CCA8206 - Jul 6, 03:35 UTCJul 6, 03:55 UTC20m
2026-07-04 CCA8240 - Jul 4, 17:30 UTCJul 4, 17:40 UTC10m
2026-07-04 CCA8208 - Jul 4, 05:40 UTCJul 4, 06:00 UTC20m
2026-07-04 CCA8223 - Jul 4, 03:10 UTCJul 4, 03:30 UTC20m
2026-07-03 CCA8216 - Jul 3, 15:30 UTCJul 3, 15:50 UTC20m
2026-07-01 CCA8216 - Jul 1, 14:40 UTCJul 1, 15:15 UTC35m
2026-06-30 CCA8216 - Jun 30, 15:30 UTCJul 1, 02:35 UTC11h 5m
2026-06-29 CCA1203 - Jun 29, 04:34 UTCJun 29, 05:00 UTC25m
2026-06-28 CCA8240 - Jun 28, 16:29 UTCJun 28, 16:45 UTC15m
2026-06-28 CCA8239 - Jun 28, 14:54 UTCJun 28, 15:14 UTC20m
2026-06-27 CCA8214 - Jun 27, 12:19 UTCJun 27, 12:29 UTC10m
2026-06-27 CCA1204 - Jun 27, 09:50 UTCJun 27, 10:10 UTC20m
2026-06-25 CCA8224 - Jun 25, 11:25 UTCJun 25, 11:39 UTC15m
2026-06-24 CCA8224 - Jun 24, 11:14 UTCJun 24, 11:34 UTC20m
2026-06-24 CCA1867 - Jun 24, 05:09 UTCJun 24, 05:34 UTC25m
2026-06-23 CCA1294 URC → PEK Jun 23, 15:19 UTCJun 23, 15:34 UTC15m
2026-06-23 CCA1293 PEK → URC Jun 23, 06:55 UTCJun 23, 07:15 UTC20m
2026-06-23 CCA1879 - Jun 23, 00:35 UTCJun 23, 00:45 UTC10m
2026-06-22 CCA1899 - Jun 22, 00:44 UTCJun 22, 00:55 UTC10m
2026-06-19 CCA8208 - Jun 19, 06:44 UTCJun 19, 06:59 UTC15m
2026-06-12 CCA1851 - Jun 12, 23:05 UTCJun 12, 23:15 UTC10m
2026-06-11 CCA1222 LHW → PEK Jun 11, 13:15 UTCJun 11, 13:30 UTC15m
2026-06-11 CCA1221 PEK → LHW Jun 11, 08:50 UTCJun 11, 09:10 UTC20m
2026-06-10 CCA1343 PEK → CSX Jun 10, 23:10 UTCJun 10, 23:25 UTC15m
2026-06-08 CCA4173 KMG → PEK Jun 8, 03:55 UTCJun 8, 12:10 UTC8h 15m
2026-06-07 CCA1525 PEK → TAO Jun 7, 12:55 UTCJun 7, 13:05 UTC10m
2026-06-07 CCA1867 PEK → FUG Jun 7, 05:00 UTCJun 7, 05:20 UTC20m
2026-06-06 CCA1135 - Jun 6, 23:09 UTCJun 6, 23:19 UTC10m
2026-06-04 CCA8206 PEK → WUH Jun 4, 03:30 UTCJun 4, 03:45 UTC15m
2026-06-03 CCA8214 PEK → WUH Jun 3, 12:35 UTCJun 3, 12:55 UTC20m
2026-06-03 CCA1204 XNN → PEK Jun 3, 10:00 UTCJun 3, 10:20 UTC20m
2026-05-29 CCA1204 XNN → PEK May 29, 09:30 UTCMay 29, 09:50 UTC20m
2026-05-27 CCA1203 PEK → XNN May 27, 04:34 UTCMay 27, 04:59 UTC25m
2026-05-26 CCA8214 PEK → WUH May 26, 12:10 UTCMay 26, 12:30 UTC20m
2026-05-26 CCA1204 XNN → PEK May 26, 09:19 UTCMay 26, 09:40 UTC20m

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-304F page for operator, model, and routing details .

Mode-S 781588 frequently asked

What is Mode-S code 781588?
781588 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-304F.
Where is Mode-S 781588 registered?
Mode-S code 781588 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 781588 broadcasting right now?
No active broadcast right now. Last signal was 19h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 781588, octal 36012610, decimal 7,869,832.
What flights does 781588 operate?
Mode-S 781588 has broadcast 20 distinct callsigns, including CCA1203, CCA8214, CCA1204, CCA8240, CCA8223.