Apparatus

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sensors Mode-S transponder

7813A0

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1097 · AIRBUS A-330-300

Hex
7813A0
Octal
36011640
Decimal
7,869,344
Country
CN
Tail
B-1097
Type
A333
No current signal · last broadcast 4h ago
Flights observed
169
Distinct callsigns
20
Country
CN
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S 7813A0.

Country allocation

The ICAO 24-bit address 7813A0 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
CHH7985 - 32 2026-06-26
CHH7986 - 26 2026-06-26
CHH752 - 7 2026-07-13
CHH7914 Hainan Airlines 6 2026-04-17
CHH754 Hainan Airlines 6 2026-07-04
CHH753 Hainan Airlines 5 2026-07-03
CHH751 - 5 2026-07-12
CHH7966 - 4 2026-06-17
CHH7965 - 4 2026-06-17
CHH770 Hainan Airlines 4 2026-06-16
CHH765 Hainan Airlines 4 2026-05-25
CHH7279 - 4 2026-07-14
CHH7938 - 3 2026-07-06
CHH7937 - 3 2026-07-05
CHH7913 Hainan Airlines 3 2026-04-17
CHH7847 - 2 2026-07-08
CHH769 - 2 2026-06-16
CHH7611 Hainan Airlines 2 2026-06-05
CHH7603 - 2 2026-07-10
CHH7394 - 2 2026-06-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 CHH7279 - Jul 14, 05:35 UTCJul 14, 08:40 UTC3h 5m
2026-07-13 CHH752 - Jul 13, 20:50 UTCJul 13, 21:05 UTC15m
2026-07-13 CHH752 - Jul 13, 11:20 UTCJul 13, 18:20 UTC7h 0m
2026-07-12 CHH751 - Jul 12, 19:01 UTCJul 13, 05:15 UTC10h 15m
2026-07-12 CHH7279 - Jul 12, 05:20 UTCJul 12, 11:35 UTC6h 15m
2026-07-11 CHH752 - Jul 11, 20:25 UTCJul 11, 20:45 UTC20m
2026-07-11 CHH752 - Jul 11, 11:20 UTCJul 11, 17:55 UTC6h 35m
2026-07-10 CHH751 - Jul 10, 19:00 UTCJul 11, 04:20 UTC9h 21m
2026-07-10 CHH7603 - Jul 10, 01:40 UTCJul 10, 01:50 UTC10m
2026-07-09 CHH752 - Jul 9, 20:20 UTCJul 9, 20:40 UTC20m
2026-07-09 CHH752 - Jul 9, 11:10 UTCJul 9, 17:55 UTC6h 45m
2026-07-08 CHH751 - Jul 8, 19:30 UTCJul 9, 05:55 UTC10h 25m
2026-07-08 CHH7847 - Jul 8, 08:35 UTCJul 8, 08:45 UTC10m
2026-07-07 CHH7813 - Jul 7, 14:35 UTCJul 7, 14:55 UTC20m
2026-07-07 CHH7190 - Jul 7, 11:30 UTCJul 7, 12:00 UTC30m
2026-07-07 CHH7190 - Jul 7, 07:45 UTCJul 7, 08:20 UTC35m
2026-07-07 CHH7189 - Jul 7, 00:50 UTCJul 7, 01:10 UTC20m
2026-07-06 CHH7938 - Jul 6, 12:20 UTCJul 6, 21:05 UTC8h 45m
2026-07-05 CHH7937 - Jul 5, 20:05 UTCJul 5, 23:55 UTC3h 50m
2026-07-05 CHH7848 - Jul 5, 14:25 UTCJul 5, 14:50 UTC25m
2026-07-05 CHH7847 - Jul 5, 08:30 UTCJul 5, 08:55 UTC25m
2026-07-04 CHH754 MAN → PEK Jul 4, 11:35 UTCJul 4, 18:00 UTC6h 25m
2026-07-03 CHH753 PEK → MAN Jul 3, 19:55 UTCJul 4, 06:10 UTC10h 15m
2026-07-03 CHH7268 CKG → PEK Jul 3, 15:50 UTCJul 3, 16:10 UTC20m
2026-07-03 CHH7267 - Jul 3, 10:10 UTCJul 3, 10:25 UTC15m
2026-07-03 CHH7277 - Jul 3, 00:55 UTCJul 3, 01:10 UTC15m
2026-07-02 CHH752 - Jul 2, 11:20 UTCJul 2, 20:35 UTC9h 15m
2026-07-01 CHH751 - Jul 1, 23:15 UTCJul 2, 06:30 UTC7h 15m
2026-07-01 CHH751 - Jul 1, 19:55 UTCJul 1, 20:10 UTC15m
2026-07-01 CHH7146 - Jul 1, 09:40 UTCJul 1, 09:55 UTC15m
2026-06-30 CHH7567 - Jun 30, 12:30 UTCJun 30, 12:50 UTC20m
2026-06-29 CHH7145 - Jun 29, 00:00 UTCJun 29, 00:20 UTC20m
2026-06-28 CHH754 MAN → PEK Jun 28, 20:39 UTCJun 28, 20:50 UTC10m
2026-06-28 CHH754 MAN → PEK Jun 28, 11:35 UTCJun 28, 18:00 UTC6h 25m
2026-06-27 CHH753 PEK → MAN Jun 27, 22:45 UTCJun 28, 05:49 UTC7h 5m
2026-06-27 CHH753 PEK → MAN Jun 27, 19:34 UTCJun 27, 19:49 UTC15m
2026-06-27 CHH7580 SYX → PEK Jun 27, 11:30 UTCJun 27, 11:55 UTC25m
2026-06-27 CHH7279 - Jun 27, 05:29 UTCJun 27, 08:25 UTC2h 55m
2026-06-26 CHH7986 - Jun 26, 23:55 UTCJun 27, 00:20 UTC25m
2026-06-26 CHH7985 - Jun 26, 06:29 UTCJun 26, 21:20 UTC14h 50m
2026-06-26 CHH7986 - Jun 26, 00:05 UTCJun 26, 00:24 UTC20m
2026-06-25 CHH7986 - Jun 25, 20:39 UTCJun 25, 21:25 UTC45m
2026-06-25 CHH7985 - Jun 25, 13:59 UTCJun 25, 14:20 UTC20m
2026-06-25 CHH7985 - Jun 25, 09:59 UTCJun 25, 10:35 UTC35m
2026-06-25 CHH7985 - Jun 25, 06:44 UTCJun 25, 07:00 UTC15m
2026-06-25 CHH7986 - Jun 25, 00:09 UTCJun 25, 00:29 UTC20m
2026-06-24 CHH7986 - Jun 24, 17:45 UTCJun 24, 21:29 UTC3h 45m
2026-06-24 CHH7985 - Jun 24, 09:59 UTCJun 24, 10:39 UTC40m
2026-06-24 CHH7985 - Jun 24, 06:35 UTCJun 24, 06:50 UTC15m
2026-06-23 CHH7985 - Jun 23, 06:44 UTCJun 23, 10:39 UTC3h 55m

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-1097 page for operator, model, and routing details .

Mode-S 7813A0 frequently asked

What is Mode-S code 7813A0?
7813A0 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1097.
Where is Mode-S 7813A0 registered?
Mode-S code 7813A0 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7813A0 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7813A0, octal 36011640, decimal 7,869,344.
What flights does 7813A0 operate?
Mode-S 7813A0 has broadcast 20 distinct callsigns, including CHH7985, CHH7986, CHH752, CHH7914, CHH754.