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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 Jul 26, 14:00 UTC
Flights observed
206
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 14:00 UTC

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 Hainan Airlines 10 2026-07-19
CHH7966 Hainan Airlines 9 2026-07-23
CHH751 Hainan Airlines 9 2026-07-20
CHH7965 Hainan Airlines 7 2026-07-23
CHH754 Hainan Airlines 7 2026-07-26
CHH7914 Hainan Airlines 6 2026-04-17
CHH753 Hainan Airlines 6 2026-07-25
CHH7847 Hainan Airlines 5 2026-07-25
CHH7848 Hainan Airlines 4 2026-07-25
CHH770 Hainan Airlines 4 2026-06-16
CHH765 Hainan Airlines 4 2026-05-25
CHH7279 - 4 2026-07-14
CHH7277 Hainan Airlines 4 2026-07-25
CHH7938 - 3 2026-07-06
CHH7937 - 3 2026-07-05
CHH7913 Hainan Airlines 3 2026-04-17
CHH7335 Hainan Airlines 3 2026-07-24
CHH7146 - 3 2026-07-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CHH754 MAN → PEK Jul 26, 11:20 UTCJul 26, 14:00 UTC2h 40m
2026-07-25 CHH753 PEK → MAN Jul 25, 19:40 UTCJul 26, 05:50 UTC10h 10m
2026-07-25 CHH7848 CTU → PEK Jul 25, 14:30 UTCJul 25, 14:45 UTC15m
2026-07-25 CHH7847 XIY → CAN Jul 25, 09:05 UTCJul 25, 09:20 UTC15m
2026-07-25 CHH7277 PEK → HGH Jul 25, 00:45 UTCJul 25, 01:10 UTC25m
2026-07-24 CHH7336 CSX → PEK Jul 24, 10:30 UTCJul 24, 11:00 UTC30m
2026-07-24 CHH7335 PEK → CSX Jul 24, 04:20 UTCJul 24, 04:40 UTC20m
2026-07-23 CHH7966 LED → PEK Jul 23, 18:45 UTCJul 24, 00:25 UTC5h 40m
2026-07-23 CHH7966 LED → PEK Jul 23, 17:30 UTCJul 23, 17:50 UTC20m
2026-07-23 CHH7965 PEK → LED Jul 23, 14:30 UTCJul 23, 14:45 UTC15m
2026-07-23 CHH7965 PEK → LED Jul 23, 07:05 UTCJul 23, 13:55 UTC6h 50m
2026-07-23 CHH7966 LED → PEK Jul 23, 00:10 UTCJul 23, 00:25 UTC15m
2026-07-22 CHH7966 LED → PEK Jul 22, 18:20 UTCJul 22, 21:40 UTC3h 20m
2026-07-22 CHH7966 LED → PEK Jul 22, 17:25 UTCJul 22, 17:50 UTC25m
2026-07-22 CHH7965 - Jul 22, 13:05 UTCJul 22, 14:45 UTC1h 40m
2026-07-21 CHH408 EDI → PEK Jul 21, 20:25 UTCJul 21, 20:40 UTC15m
2026-07-21 CHH408 EDI → PEK Jul 21, 11:25 UTCJul 21, 17:55 UTC6h 30m
2026-07-21 CHH8001 DUB → EDI Jul 21, 09:10 UTCJul 21, 10:00 UTC50m
2026-07-20 CHH751 PEK → DUB Jul 20, 19:50 UTCJul 21, 06:00 UTC10h 10m
2026-07-20 CHH7848 - Jul 20, 16:15 UTCJul 20, 16:40 UTC25m
2026-07-20 CHH7847 XIY → CAN Jul 20, 09:55 UTCJul 20, 10:35 UTC40m
2026-07-19 CHH752 DUB → PEK Jul 19, 11:25 UTCJul 19, 21:15 UTC9h 50m
2026-07-18 CHH751 - Jul 18, 20:05 UTCJul 19, 06:20 UTC10h 15m
2026-07-18 CHH7848 - Jul 18, 14:00 UTCJul 18, 14:30 UTC30m
2026-07-18 CHH7847 - Jul 18, 08:45 UTCJul 18, 09:05 UTC20m
2026-07-18 CHH7277 - Jul 18, 00:19 UTCJul 18, 00:35 UTC15m
2026-07-17 CHH7716 - Jul 17, 12:45 UTCJul 17, 13:00 UTC15m
2026-07-17 CHH7709 - Jul 17, 08:00 UTCJul 17, 08:20 UTC20m
2026-07-17 CHH7804 CAN → PEK Jul 17, 04:04 UTCJul 17, 04:14 UTC10m
2026-07-16 CHH7813 - Jul 16, 12:00 UTCJul 16, 12:25 UTC25m
2026-07-16 CHH7146 - Jul 16, 09:25 UTCJul 16, 09:45 UTC20m
2026-07-15 CHH7145 - Jul 15, 23:55 UTCJul 16, 00:05 UTC10m
2026-07-15 CHH752 - Jul 15, 20:50 UTCJul 15, 21:05 UTC15m
2026-07-15 CHH752 - Jul 15, 11:20 UTCJul 15, 18:20 UTC7h 0m
2026-07-14 CHH751 - Jul 14, 22:20 UTCJul 15, 05:20 UTC6h 59m
2026-07-14 CHH751 - Jul 14, 18:55 UTCJul 14, 19:10 UTC15m
2026-07-14 CHH7580 - Jul 14, 11:30 UTCJul 14, 14:40 UTC3h 10m
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

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 Jul 26, 14:00 UTC.
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, CHH7966, CHH751.