sensors Mode-S transponder

7820B8

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-32GL · AIRBUS A-320neo

Hex
7820B8
Octal
36020270
Decimal
7,872,696
Country
CN
Tail
B-32GL
Type
A20N
No current signal · last broadcast Jul 25, 05:45 UTC
Flights observed
96
Distinct callsigns
20
Country
CN
Last broadcast
Jul 25, 05:45 UTC

Last known position

Most recent position reported by Mode-S 7820B8.

Country allocation

The ICAO 24-bit address 7820B8 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
CHH7038 Hainan Airlines 14 2026-07-22
CHH7004 Hainan Airlines 7 2026-07-21
CHH7089 - 6 2026-07-17
CHH7092 Hainan Airlines 5 2026-06-21
CHH7037 Hainan Airlines 5 2026-06-02
CHH7034 - 5 2026-06-24
CHH7002 Hainan Airlines 5 2026-07-23
CHH7165 Hainan Airlines 3 2026-06-22
CHH7090 - 3 2026-07-03
CHH7044 - 3 2026-06-22
CHH7008 Hainan Airlines 3 2026-07-21
CHH7005 Hainan Airlines 3 2026-07-21
CHH7120 Hainan Airlines 2 2026-05-13
CHH7118 Hainan Airlines 2 2026-06-17
CHH7091 Hainan Airlines 2 2026-07-24
CHH7032 - 2 2026-06-20
CHH7020 Hainan Airlines 2 2026-05-10
CHH7007 Hainan Airlines 2 2026-07-21
CHH7006 - 2 2026-07-13
CHH7807 - 1 2026-07-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 CHH7091 HAK → KMG Jul 24, 12:20 UTCJul 25, 05:45 UTC17h 25m
2026-07-23 CHH7002 CAN → HAK Jul 23, 23:20 UTCJul 23, 23:45 UTC25m
2026-07-23 CHH7206 TNA → CAN Jul 23, 16:45 UTCJul 23, 16:55 UTC10m
2026-07-22 CHH7038 HFE → HAK Jul 22, 15:05 UTCJul 22, 15:25 UTC20m
2026-07-21 CHH7002 - Jul 21, 23:00 UTCJul 21, 23:15 UTC15m
2026-07-21 CHH7007 HAK → CAN Jul 21, 10:20 UTCJul 21, 10:30 UTC10m
2026-07-21 CHH7008 CAN → HAK Jul 21, 07:10 UTCJul 21, 07:30 UTC20m
2026-07-21 CHH7005 HAK → CAN Jul 21, 03:30 UTCJul 21, 04:00 UTC30m
2026-07-21 CHH7004 CAN → HAK Jul 21, 00:45 UTCJul 21, 00:55 UTC10m
2026-07-20 - - Jul 20, 16:35 UTCJul 20, 16:45 UTC10m
2026-07-19 CHH7370 - Jul 19, 00:35 UTCJul 19, 04:10 UTC3h 35m
2026-07-17 CHH7089 - Jul 17, 11:50 UTCJul 18, 05:05 UTC17h 16m
2026-07-17 CHH7089 - Jul 17, 08:04 UTCJul 18, 05:05 UTC21h 1m
2026-07-17 CHH7089 - Jul 17, 02:15 UTCJul 17, 15:44 UTC13h 30m
2026-07-13 CHH7006 - Jul 13, 01:40 UTCJul 13, 01:50 UTC10m
2026-07-12 CHH7283 - Jul 12, 03:50 UTCJul 12, 04:01 UTC10m
2026-07-11 CHH7116 - Jul 11, 01:55 UTCJul 11, 06:50 UTC4h 55m
2026-07-10 CHH7070 - Jul 10, 15:25 UTCJul 10, 15:45 UTC20m
2026-07-09 CHH7002 - Jul 9, 23:35 UTCJul 10, 00:00 UTC25m
2026-07-07 CHH7807 - Jul 7, 04:45 UTCJul 7, 05:05 UTC20m
2026-07-03 CHH7090 - Jul 3, 10:55 UTCJul 3, 15:25 UTC4h 30m
2026-07-03 CHH7004 - Jul 3, 00:35 UTCJul 3, 00:45 UTC10m
2026-07-02 CHH7005 - Jul 2, 03:20 UTCJul 2, 03:40 UTC20m
2026-07-02 CHH7004 - Jul 2, 00:20 UTCJul 2, 00:35 UTC15m
2026-07-01 - - Jul 1, 17:20 UTCJul 1, 17:30 UTC10m
2026-06-26 CHH6208 - Jun 26, 18:49 UTCJun 26, 19:00 UTC10m
2026-06-25 CHH7007 - Jun 25, 08:09 UTCJun 25, 08:40 UTC30m
2026-06-25 CHH7005 HAK → CAN Jun 25, 03:20 UTCJun 25, 03:44 UTC25m
2026-06-24 CHH7089 - Jun 24, 10:59 UTCJun 24, 15:14 UTC4h 15m
2026-06-24 CHH7034 - Jun 24, 07:20 UTCJun 24, 07:34 UTC15m
2026-06-22 CHH7165 XIY → XNN Jun 22, 14:49 UTCJun 23, 06:29 UTC15h 40m
2026-06-22 CHH7165 XIY → XNN Jun 22, 11:00 UTCJun 23, 06:29 UTC19h 30m
2026-06-22 CHH7044 - Jun 22, 02:19 UTCJun 22, 08:40 UTC6h 20m
2026-06-21 CHH7092 KMG → HAK Jun 21, 05:10 UTCJun 21, 05:30 UTC20m
2026-06-21 CHH7091 HAK → KMG Jun 21, 01:19 UTCJun 21, 01:35 UTC15m
2026-06-20 CHH7032 - Jun 20, 06:24 UTCJun 20, 06:35 UTC10m
2026-06-17 CHH7118 CSX → HAK Jun 17, 07:35 UTCJun 17, 11:30 UTC3h 55m
2026-06-17 CHH7092 KMG → HAK Jun 17, 02:00 UTCJun 17, 05:15 UTC3h 15m
2026-06-15 CHH7117 HAK → CSX Jun 15, 07:35 UTCJun 15, 07:45 UTC10m
2026-06-15 CHH7092 KMG → HAK Jun 15, 01:25 UTCJun 15, 05:15 UTC3h 50m
2026-06-14 CHH7092 KMG → HAK Jun 14, 01:25 UTCJun 14, 05:25 UTC4h 0m
2026-06-12 CHH7092 KMG → HAK Jun 12, 13:40 UTCJun 13, 05:55 UTC16h 14m
2026-06-12 CHH7041 HAK → HGH Jun 12, 07:40 UTCJun 13, 05:55 UTC22h 14m
2026-06-11 CHH7038 HFE → HAK Jun 11, 10:00 UTCJun 11, 14:30 UTC4h 30m
2026-06-10 CHH7034 CGO → HAK Jun 10, 02:00 UTCJun 10, 07:40 UTC5h 40m
2026-06-09 CHH7038 HFE → HAK Jun 9, 09:55 UTCJun 9, 14:25 UTC4h 30m
2026-06-08 CHH7266 XIY → HAK Jun 8, 03:15 UTCJun 8, 03:30 UTC15m
2026-06-06 CHH7265 HAK → XIY Jun 6, 05:35 UTCJun 6, 05:45 UTC10m
2026-06-04 CHH7034 CGO → HAK Jun 4, 07:05 UTCJun 4, 14:15 UTC7h 10m
2026-06-03 CHH7090 NKG → HAK Jun 3, 11:10 UTCJun 3, 15:15 UTC4h 5m

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

Mode-S 7820B8 frequently asked

What is Mode-S code 7820B8?
7820B8 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-32GL.
Where is Mode-S 7820B8 registered?
Mode-S code 7820B8 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7820B8 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 05:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7820B8, octal 36020270, decimal 7,872,696.
What flights does 7820B8 operate?
Mode-S 7820B8 has broadcast 20 distinct callsigns, including CHH7038, CHH7004, CHH7089, CHH7092, CHH7037.