Apparatus

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sensors Mode-S transponder

7806A7

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-5552 · BOEING 737-800

Hex
7806A7
Octal
36003247
Decimal
7,866,023
Country
CN
Tail
B-5552
Type
B738
No current signal · last broadcast 10h ago
Flights observed
74
Distinct callsigns
20
Country
CN
Last broadcast
10h ago

Last known position

Most recent position reported by Mode-S 7806A7.

Country allocation

The ICAO 24-bit address 7806A7 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
CXA8429 Xiamen Airlines 4 2026-06-11
CXA858 - 2 2026-07-18
CXA857 - 2 2026-07-18
CXA8480 Xiamen Airlines 2 2026-05-10
CXA843 - 2 2026-05-22
CXA8315 - 2 2026-07-02
CXA8304 Xiamen Airlines 2 2026-05-24
CXA828 Xiamen Airlines 2 2026-05-23
CXA827 Xiamen Airlines 2 2026-05-22
CXA8868 - 1 2026-05-30
CXA8867 - 1 2026-05-30
CXA8842 Xiamen Airlines 1 2026-06-05
CXA8841 Xiamen Airlines 1 2026-06-05
CXA884 - 1 2026-07-12
CXA883 - 1 2026-07-12
CXA8816 - 1 2026-06-30
CXA880 Xiamen Airlines 1 2026-06-05
CXA8792 - 1 2026-07-04
CXA8791 - 1 2026-07-04
CXA879 Xiamen Airlines 1 2026-06-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CXA8161 FOC → TYN Jul 25, 05:40 UTCJul 25, 05:50 UTC10m
2026-07-25 CXA8162 TYN → FOC Jul 25, 03:15 UTCJul 25, 03:45 UTC30m
2026-07-23 CXA8722 - Jul 23, 01:45 UTCJul 23, 12:00 UTC10h 15m
2026-07-19 CXA8534 - Jul 19, 14:10 UTCJul 19, 14:20 UTC10m
2026-07-18 CXA858 - Jul 18, 18:35 UTCJul 18, 19:00 UTC25m
2026-07-18 CXA857 - Jul 18, 13:35 UTCJul 18, 17:10 UTC3h 35m
2026-07-16 CXA858 - Jul 16, 18:50 UTCJul 16, 19:10 UTC20m
2026-07-16 CXA857 - Jul 16, 00:15 UTCJul 16, 17:40 UTC17h 25m
2026-07-12 CXA884 - Jul 12, 12:50 UTCJul 12, 13:15 UTC25m
2026-07-12 CXA883 - Jul 12, 04:15 UTCJul 12, 11:25 UTC7h 10m
2026-07-10 CXA8680 - Jul 10, 11:50 UTCJul 10, 12:25 UTC35m
2026-07-10 CXA8679 - Jul 10, 10:00 UTCJul 10, 10:40 UTC40m
2026-07-08 CXA8704 - Jul 8, 07:25 UTCJul 8, 11:30 UTC4h 5m
2026-07-08 CXA8703 - Jul 8, 01:55 UTCJul 8, 05:40 UTC3h 45m
2026-07-04 CXA8792 - Jul 4, 16:20 UTCJul 4, 16:35 UTC15m
2026-07-04 CXA8791 - Jul 4, 14:35 UTCJul 4, 14:50 UTC15m
2026-07-02 CXA8315 - Jul 2, 00:55 UTCJul 2, 12:30 UTC11h 35m
2026-06-30 CXA8816 - Jun 30, 12:30 UTCJun 30, 13:15 UTC45m
2026-06-24 CXA8419 FOC → CKG Jun 24, 09:49 UTCJun 24, 10:14 UTC25m
2026-06-19 CXA8341 - Jun 19, 05:45 UTCJun 19, 10:19 UTC4h 35m
2026-06-16 CXA8692 - Jun 16, 05:59 UTCJun 16, 06:15 UTC15m
2026-06-16 CXA8691 - Jun 16, 04:00 UTCJun 16, 04:35 UTC35m
2026-06-15 CXA872 - Jun 15, 05:10 UTCJun 15, 05:55 UTC45m
2026-06-14 CXA871 - Jun 14, 13:55 UTCJun 15, 03:45 UTC13h 50m
2026-06-11 CXA8429 FOC → KMG Jun 11, 01:25 UTCJun 11, 02:25 UTC1h 0m
2026-06-10 CXA8429 FOC → KMG Jun 10, 03:25 UTCJun 11, 01:45 UTC22h 20m
2026-06-07 CXA8415 XMN → KMG Jun 7, 04:30 UTCJun 7, 09:50 UTC5h 20m
2026-06-05 CXA8842 ZUH → FOC Jun 5, 11:20 UTCJun 5, 11:35 UTC15m
2026-06-05 CXA8841 FOC → ZUH Jun 5, 08:20 UTCJun 5, 08:55 UTC35m
2026-06-05 CXA880 TPE → FOC Jun 5, 03:40 UTCJun 5, 04:05 UTC25m
2026-06-05 CXA879 FOC → TPE Jun 5, 01:25 UTCJun 5, 02:05 UTC40m
2026-06-03 CXA8740 CSX → HGH Jun 3, 05:40 UTCJun 3, 07:00 UTC1h 20m
2026-06-03 CXA8739 HGH → CSX Jun 3, 01:05 UTCJun 3, 02:35 UTC1h 30m
2026-05-30 CXA818 - May 30, 10:15 UTCMay 30, 10:45 UTC30m
2026-05-30 CXA817 - May 30, 06:55 UTCMay 30, 08:10 UTC1h 15m
2026-05-30 CXA8868 - May 30, 03:50 UTCMay 30, 04:25 UTC35m
2026-05-30 CXA8867 - May 30, 00:40 UTCMay 30, 01:00 UTC20m
2026-05-28 CXA8385 - May 28, 01:20 UTCMay 28, 01:35 UTC15m
2026-05-27 CXA8724 - May 27, 08:05 UTCMay 27, 08:30 UTC25m
2026-05-27 CXA8723 - May 27, 03:04 UTCMay 27, 06:34 UTC3h 30m
2026-05-26 CXA8318 SZX → SHA May 26, 11:30 UTCMay 26, 11:39 UTC10m
2026-05-26 CXA8317 SHA → SZX May 26, 09:40 UTCMay 26, 09:59 UTC20m
2026-05-26 CXA8414 CKG → XMN May 26, 02:24 UTCMay 26, 03:05 UTC40m
2026-05-25 CXA8688 KUL → CKG May 25, 05:50 UTCMay 25, 06:05 UTC15m
2026-05-25 CXA8687 CKG → KUL May 25, 03:55 UTCMay 25, 04:15 UTC20m
2026-05-24 CXA8304 SZX → CKG May 24, 04:05 UTCMay 24, 04:15 UTC10m
2026-05-24 CXA8303 CKG → SZX May 24, 02:35 UTCMay 24, 02:45 UTC10m
2026-05-23 CXA828 MNL → XMN May 23, 04:30 UTCMay 23, 05:30 UTC1h 0m
2026-05-22 CXA827 XMN → MNL May 22, 19:15 UTCMay 23, 02:15 UTC7h 0m
2026-05-22 CXA843 - May 22, 10:00 UTCMay 22, 17:30 UTC7h 30m

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-5552 page for operator, model, and routing details .

Mode-S 7806A7 frequently asked

What is Mode-S code 7806A7?
7806A7 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-5552.
Where is Mode-S 7806A7 registered?
Mode-S code 7806A7 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7806A7 broadcasting right now?
No active broadcast right now. Last signal was 10h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7806A7, octal 36003247, decimal 7,866,023.
What flights does 7806A7 operate?
Mode-S 7806A7 has broadcast 20 distinct callsigns, including CXA8429, CXA858, CXA857, CXA8480, CXA843.