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sensors Mode-S transponder

7818C7

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-20EA · BOEING 737 MAX 8

Hex
7818C7
Octal
36014307
Decimal
7,870,663
Country
CN
Tail
B-20EA
Type
B38M
Broadcasting now · callsign CXA834 · 4,350 ft
Flights observed
144
Distinct callsigns
20
Country
CN
Last broadcast
Jul 25, 01:55 UTC

Current position

7818C7 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 7818C7 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
CXA867 Xiamen Airlines 13 2026-07-20
CXA892 - 11 2026-07-02
CXA868 Xiamen Airlines 11 2026-07-20
CXA823 - 9 2026-07-16
CXA824 Xiamen Airlines 8 2026-07-19
CXA848 - 6 2026-06-15
CXA8372 - 5 2026-06-18
CXA8882 Xiamen Airlines 4 2026-06-04
CXA8881 Xiamen Airlines 4 2026-06-04
CXA851 Xiamen Airlines 4 2026-07-24
CXA847 - 4 2026-06-15
CXA8380 - 4 2026-06-17
CXA8371 - 4 2026-06-18
CXA837 - 4 2026-06-24
CXA891 Xiamen Airlines 3 2026-04-14
CXA8716 - 3 2026-07-18
CXA852 Xiamen Airlines 3 2026-07-24
CXA898 Xiamen Airlines 2 2026-04-30
CXA897 Xiamen Airlines 2 2026-04-30
CXA8828 Xiamen Airlines 2 2026-06-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CXA8483 PKX → KMG Jul 25, 01:20 UTCJul 25, 01:55 UTC35m
2026-07-24 CXA8103 XMN → PKX Jul 24, 15:30 UTCJul 24, 15:45 UTC15m
2026-07-24 CXA852 SIN → XMN Jul 24, 07:40 UTCJul 24, 08:10 UTC30m
2026-07-24 CXA851 XMN → SIN Jul 24, 02:45 UTCJul 24, 06:15 UTC3h 30m
2026-07-20 CXA868 CGK → XMN Jul 20, 07:45 UTCJul 20, 08:15 UTC30m
2026-07-20 CXA868 CGK → XMN Jul 20, 06:45 UTCJul 20, 06:55 UTC10m
2026-07-20 CXA867 XMN → CGK Jul 20, 04:45 UTCJul 20, 05:05 UTC20m
2026-07-19 CXA867 XMN → CGK Jul 19, 13:05 UTCJul 20, 03:20 UTC14h 15m
2026-07-19 CXA834 - Jul 19, 10:55 UTCJul 19, 11:10 UTC15m
2026-07-19 CXA833 - Jul 19, 06:30 UTCJul 19, 07:10 UTC40m
2026-07-19 CXA824 KUL → XMN Jul 19, 00:10 UTCJul 19, 00:35 UTC25m
2026-07-18 CXA8716 - Jul 18, 02:55 UTCJul 18, 15:55 UTC13h 0m
2026-07-17 CXA8715 - Jul 17, 14:55 UTCJul 17, 15:15 UTC20m
2026-07-17 CXA8716 - Jul 17, 02:54 UTCJul 17, 12:10 UTC9h 15m
2026-07-16 CXA823 - Jul 16, 05:50 UTCJul 16, 17:45 UTC11h 55m
2026-07-14 CXA852 - Jul 14, 08:50 UTCJul 14, 09:15 UTC25m
2026-07-13 CXA851 - Jul 13, 14:05 UTCJul 14, 06:50 UTC16h 45m
2026-07-13 CXA851 - Jul 13, 06:01 UTCJul 14, 03:30 UTC21h 30m
2026-07-11 CXA8676 - Jul 11, 18:55 UTCJul 12, 01:45 UTC6h 50m
2026-07-11 CXA8675 - Jul 11, 06:05 UTCJul 11, 17:30 UTC11h 25m
2026-07-10 CXA8426 - Jul 10, 13:55 UTCJul 11, 06:15 UTC16h 21m
2026-07-09 CXA8405 - Jul 9, 14:55 UTCJul 10, 06:05 UTC15h 10m
2026-07-09 CXA8479 - Jul 9, 10:00 UTCJul 10, 06:05 UTC20h 5m
2026-07-08 CXA8425 - Jul 8, 00:45 UTCJul 8, 15:30 UTC14h 45m
2026-07-02 CXA892 - Jul 2, 10:55 UTCJul 2, 21:00 UTC10h 5m
2026-07-01 CXA892 - Jul 1, 10:45 UTCJul 1, 21:10 UTC10h 25m
2026-06-30 CXA8706 - Jun 30, 11:00 UTCJun 30, 11:10 UTC10m
2026-06-30 CXA824 - Jun 30, 00:09 UTCJun 30, 00:39 UTC30m
2026-06-29 CXA823 - Jun 29, 15:24 UTCJun 29, 15:49 UTC25m
2026-06-27 CXA892 - Jun 27, 12:25 UTCJun 27, 21:15 UTC8h 50m
2026-06-25 CXA868 - Jun 25, 06:40 UTCJun 25, 08:04 UTC1h 25m
2026-06-25 CXA867 - Jun 25, 04:49 UTCJun 25, 05:09 UTC20m
2026-06-25 CXA867 - Jun 25, 02:35 UTCJun 25, 03:24 UTC50m
2026-06-24 CXA838 - Jun 24, 16:59 UTCJun 24, 17:50 UTC50m
2026-06-24 CXA837 - Jun 24, 15:00 UTCJun 24, 15:14 UTC15m
2026-06-24 CXA837 - Jun 24, 12:44 UTCJun 24, 13:30 UTC45m
2026-06-23 CXA8517 XMN → SHA Jun 23, 13:29 UTCJun 23, 13:45 UTC15m
2026-06-23 CXA868 - Jun 23, 06:55 UTCJun 23, 11:04 UTC4h 10m
2026-06-23 CXA867 - Jun 23, 04:45 UTCJun 23, 05:04 UTC20m
2026-06-23 CXA867 - Jun 23, 00:45 UTCJun 23, 03:09 UTC2h 25m
2026-06-20 CXA868 - Jun 20, 06:45 UTCJun 20, 13:44 UTC7h 0m
2026-06-20 CXA867 - Jun 20, 04:39 UTCJun 20, 04:59 UTC20m
2026-06-20 CXA867 - Jun 20, 00:34 UTCJun 20, 03:09 UTC2h 35m
2026-06-18 CXA8372 - Jun 18, 08:00 UTCJun 18, 08:10 UTC10m
2026-06-18 CXA8371 - Jun 18, 06:05 UTCJun 18, 06:20 UTC15m
2026-06-17 CXA8380 - Jun 17, 04:35 UTCJun 17, 04:45 UTC10m
2026-06-16 CXA868 - Jun 16, 06:54 UTCJun 16, 08:25 UTC1h 30m
2026-06-16 CXA867 - Jun 16, 04:50 UTCJun 16, 05:10 UTC20m
2026-06-16 CXA867 - Jun 16, 00:50 UTCJun 16, 03:25 UTC2h 35m
2026-06-15 CXA848 - Jun 15, 11:00 UTCJun 15, 11:10 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-20EA page for operator, model, and routing details .

Mode-S 7818C7 frequently asked

What is Mode-S code 7818C7?
7818C7 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-20EA.
Where is Mode-S 7818C7 registered?
Mode-S code 7818C7 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7818C7 broadcasting right now?
Yes. Mode-S 7818C7 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7818C7, octal 36014307, decimal 7,870,663.
What flights does 7818C7 operate?
Mode-S 7818C7 has broadcast 20 distinct callsigns, including CXA867, CXA892, CXA868, CXA823, CXA824.