Apparatus

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sensors Mode-S transponder

7812E5

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1375 · BOEING 737-800

Hex
7812E5
Octal
36011345
Decimal
7,869,157
Country
CN
Tail
B-1375
Type
B738
No current signal · last broadcast 55m ago
Flights observed
101
Distinct callsigns
20
Country
CN
Last broadcast
55m ago

Last known position

Most recent position reported by Mode-S 7812E5.

Country allocation

The ICAO 24-bit address 7812E5 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
CHH7762 - 4 2026-07-03
CHH7759 - 3 2026-07-03
CHH7715 - 3 2026-07-02
CHH7557 - 3 2026-07-04
CHH7370 - 3 2026-06-14
CHH7078 - 3 2026-07-06
CHH7987 - 2 2026-07-10
CHH7870 - 2 2026-06-25
CHH7761 - 2 2026-07-02
CHH7760 - 2 2026-04-17
CHH7710 Hainan Airlines 2 2026-05-30
CHH7708 - 2 2026-06-25
CHH7475 Hainan Airlines 2 2026-05-27
CHH7235 - 2 2026-06-29
CHH7179 - 2 2026-07-02
CHH7164 - 2 2026-07-14
CHH7079 Hainan Airlines 2 2026-06-21
CHH7988 - 1 2026-07-10
CHH7874 - 1 2026-06-24
CHH7873 Hainan Airlines 1 2026-06-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 CHH7579 - Jul 14, 13:30 UTCJul 14, 16:30 UTC3h 0m
2026-07-14 CHH7164 - Jul 14, 05:15 UTCJul 14, 05:30 UTC15m
2026-07-14 CHH7291 - Jul 14, 00:45 UTCJul 14, 00:55 UTC10m
2026-07-12 CHH7289 - Jul 12, 23:40 UTCJul 13, 05:20 UTC5h 40m
2026-07-10 CHH7988 - Jul 10, 05:15 UTCJul 10, 05:40 UTC25m
2026-07-10 CHH7987 - Jul 10, 02:35 UTCJul 10, 03:05 UTC30m
2026-07-10 CHH7987 - Jul 10, 00:15 UTCJul 10, 00:30 UTC15m
2026-07-09 CHH7481 - Jul 9, 06:15 UTCJul 9, 06:25 UTC10m
2026-07-08 CHH7482 - Jul 8, 01:15 UTCJul 8, 01:35 UTC20m
2026-07-07 CHH7381 - Jul 7, 16:00 UTCJul 7, 16:30 UTC30m
2026-07-06 CHH7078 - Jul 6, 09:45 UTCJul 7, 02:35 UTC16h 50m
2026-07-05 CHH7078 - Jul 5, 12:50 UTCJul 6, 09:55 UTC21h 5m
2026-07-05 CHH7215 - Jul 5, 04:20 UTCJul 5, 13:55 UTC9h 35m
2026-07-04 CHH7557 - Jul 4, 16:55 UTCJul 4, 17:05 UTC10m
2026-07-04 CHH7744 - Jul 4, 15:20 UTCJul 4, 15:40 UTC20m
2026-07-03 CHH7743 NGB → CGQ Jul 3, 23:15 UTCJul 3, 23:25 UTC10m
2026-07-03 CHH7759 - Jul 3, 08:55 UTCJul 3, 15:30 UTC6h 35m
2026-07-03 CHH7759 - Jul 3, 06:40 UTCJul 3, 06:50 UTC10m
2026-07-03 CHH7762 - Jul 3, 04:20 UTCJul 3, 04:40 UTC20m
2026-07-02 CHH7761 - Jul 2, 22:30 UTCJul 2, 22:40 UTC10m
2026-07-02 CHH7715 - Jul 2, 13:45 UTCJul 2, 14:00 UTC15m
2026-07-02 CHH7180 - Jul 2, 10:30 UTCJul 2, 10:50 UTC20m
2026-07-02 CHH7179 - Jul 2, 01:55 UTCJul 2, 02:10 UTC15m
2026-06-29 CHH7297 - Jun 29, 12:29 UTCJun 29, 12:39 UTC10m
2026-06-29 CHH7235 - Jun 29, 03:25 UTCJun 29, 03:44 UTC20m
2026-06-27 CHH7644 - Jun 27, 08:20 UTCJun 27, 08:29 UTC10m
2026-06-26 CHH7435 - Jun 26, 09:20 UTCJun 26, 09:39 UTC20m
2026-06-26 CHH7167 - Jun 26, 00:15 UTCJun 26, 00:35 UTC20m
2026-06-25 CHH7708 - Jun 25, 08:30 UTCJun 25, 08:40 UTC10m
2026-06-25 CHH7870 - Jun 25, 00:05 UTCJun 25, 00:14 UTC10m
2026-06-24 CHH7873 XIY → SZX Jun 24, 16:09 UTCJun 24, 16:19 UTC10m
2026-06-24 CHH7874 - Jun 24, 09:05 UTCJun 24, 09:19 UTC15m
2026-06-24 CHH7394 - Jun 24, 06:20 UTCJun 24, 07:10 UTC50m
2026-06-23 CHH7805 - Jun 23, 02:49 UTCJun 23, 03:09 UTC20m
2026-06-22 CHH7811 - Jun 22, 08:44 UTCJun 22, 09:04 UTC20m
2026-06-22 CHH7248 TFU → PEK Jun 22, 06:35 UTCJun 22, 06:45 UTC10m
2026-06-22 CHH7147 PEK → TFU Jun 22, 00:04 UTCJun 22, 00:24 UTC20m
2026-06-21 CHH7080 SYX → PEK Jun 21, 09:24 UTCJun 21, 09:35 UTC10m
2026-06-21 CHH7079 PEK → SYX Jun 21, 00:45 UTCJun 21, 06:50 UTC6h 5m
2026-06-20 CHH7235 - Jun 20, 03:04 UTCJun 20, 03:24 UTC20m
2026-06-18 CHH7557 SZX → CKG Jun 18, 19:30 UTCJun 18, 19:40 UTC10m
2026-06-18 CHH7396 HGH → SZX Jun 18, 17:45 UTCJun 18, 18:00 UTC15m
2026-06-18 CHH7395 - Jun 18, 11:45 UTCJun 18, 11:55 UTC10m
2026-06-18 CHH7752 - Jun 18, 08:10 UTCJun 18, 08:20 UTC10m
2026-06-17 CHH7775 - Jun 17, 05:50 UTCJun 17, 06:00 UTC10m
2026-06-16 CHH7746 - Jun 16, 17:15 UTCJun 16, 17:40 UTC25m
2026-06-16 CHH7745 - Jun 16, 03:15 UTCJun 16, 03:25 UTC10m
2026-06-15 CHH7083 SYX → CAN Jun 15, 02:30 UTCJun 15, 09:49 UTC7h 20m
2026-06-14 CHH7320 - Jun 14, 06:45 UTCJun 15, 02:44 UTC19h 59m
2026-06-14 CHH7370 - Jun 14, 03:35 UTCJun 15, 02:44 UTC23h 10m

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-1375 page for operator, model, and routing details .

Mode-S 7812E5 frequently asked

What is Mode-S code 7812E5?
7812E5 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1375.
Where is Mode-S 7812E5 registered?
Mode-S code 7812E5 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7812E5 broadcasting right now?
No active broadcast right now. Last signal was 55m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7812E5, octal 36011345, decimal 7,869,157.
What flights does 7812E5 operate?
Mode-S 7812E5 has broadcast 20 distinct callsigns, including CHH7762, CHH7759, CHH7715, CHH7557, CHH7370.