Apparatus

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sensors Mode-S transponder

780F20

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-7197 · BOEING 737-800

Hex
780F20
Octal
36007440
Decimal
7,868,192
Country
CN
Tail
B-7197
Type
B738
No current signal · last broadcast Jul 25, 16:15 UTC
Flights observed
58
Distinct callsigns
20
Country
CN
Last broadcast
Jul 25, 16:15 UTC

Last known position

Most recent position reported by Mode-S 780F20.

Country allocation

The ICAO 24-bit address 780F20 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
CXA8818 Xiamen Airlines 6 2026-07-24
CXA8555 Xiamen Airlines 5 2026-07-23
CXA8343 - 3 2026-07-07
CXA8828 - 2 2026-07-07
CXA8790 - 2 2026-05-03
CXA8782 Xiamen Airlines 2 2026-06-11
CXA8605 - 2 2026-04-13
CXA8430 Xiamen Airlines 2 2026-04-13
CXA828 - 2 2026-07-08
CXA827 - 2 2026-07-08
CXA8783 Xiamen Airlines 1 2026-05-17
CXA8781 Xiamen Airlines 1 2026-06-11
CXA878 Xiamen Airlines 1 2026-05-11
CXA877 Xiamen Airlines 1 2026-05-11
CXA8728 - 1 2026-07-09
CXA8698 - 1 2026-07-17
CXA8697 - 1 2026-07-17
CXA8682 - 1 2026-07-18
CXA8681 - 1 2026-07-18
CXA8556 Xiamen Airlines 1 2026-07-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CXA8390 - Jul 25, 16:05 UTCJul 25, 16:15 UTC10m
2026-07-25 CXA8389 - Jul 25, 14:35 UTCJul 25, 14:45 UTC10m
2026-07-24 CXA8818 HRB → HGH Jul 24, 09:35 UTCJul 25, 02:45 UTC17h 10m
2026-07-24 CXA8818 HRB → HGH Jul 24, 01:20 UTCJul 24, 10:15 UTC8h 55m
2026-07-23 CXA8818 HRB → HGH Jul 23, 10:05 UTCJul 24, 09:55 UTC23h 50m
2026-07-23 CXA8818 HRB → HGH Jul 23, 09:35 UTCJul 24, 01:25 UTC15h 50m
2026-07-23 CXA8556 PVG → PKX Jul 23, 05:40 UTCJul 24, 01:25 UTC19h 45m
2026-07-23 CXA8555 PKX → PVG Jul 23, 02:05 UTCJul 24, 01:25 UTC23h 20m
2026-07-23 CXA8555 PKX → PVG Jul 23, 01:25 UTCJul 23, 10:05 UTC8h 40m
2026-07-22 CXA8555 PKX → PVG Jul 22, 14:30 UTCJul 23, 10:05 UTC19h 35m
2026-07-22 CXA8555 PKX → PVG Jul 22, 00:40 UTCJul 22, 14:45 UTC14h 5m
2026-07-21 CXA8818 - Jul 21, 09:20 UTCJul 22, 01:30 UTC16h 10m
2026-07-21 CXA8818 - Jul 21, 00:45 UTCJul 21, 10:15 UTC9h 30m
2026-07-18 CXA8682 - Jul 18, 07:15 UTCJul 18, 07:30 UTC15m
2026-07-18 CXA8681 - Jul 18, 04:55 UTCJul 18, 05:10 UTC15m
2026-07-17 CXA8526 - Jul 17, 14:10 UTCJul 18, 02:19 UTC12h 10m
2026-07-17 CXA8698 - Jul 17, 10:25 UTCJul 17, 10:35 UTC10m
2026-07-17 CXA8697 - Jul 17, 05:55 UTCJul 17, 06:35 UTC40m
2026-07-16 CXA8523 - Jul 16, 14:35 UTCJul 17, 02:39 UTC12h 5m
2026-07-16 CXA8525 - Jul 16, 00:40 UTCJul 16, 12:34 UTC11h 55m
2026-07-13 CXA8221 - Jul 13, 05:35 UTCJul 13, 05:45 UTC10m
2026-07-13 CXA8222 - Jul 13, 03:55 UTCJul 13, 04:05 UTC10m
2026-07-09 CXA8728 - Jul 9, 10:30 UTCJul 9, 11:35 UTC1h 5m
2026-07-08 CXA828 - Jul 8, 04:35 UTCJul 8, 14:40 UTC10h 5m
2026-07-08 CXA827 - Jul 8, 02:00 UTCJul 8, 02:35 UTC35m
2026-07-07 CXA8828 - Jul 7, 15:25 UTCJul 7, 15:35 UTC10m
2026-07-07 CXA8343 - Jul 7, 13:55 UTCJul 7, 14:10 UTC15m
2026-07-07 CXA8343 - Jul 7, 13:10 UTCJul 7, 13:20 UTC10m
2026-07-03 CXA8555 - Jul 3, 01:00 UTCJul 3, 15:00 UTC14h 0m
2026-07-02 CXA8093 - Jul 2, 14:35 UTCJul 3, 10:25 UTC19h 50m
2026-07-02 CXA828 - Jul 2, 04:15 UTCJul 2, 05:20 UTC1h 5m
2026-07-02 CXA827 - Jul 2, 00:55 UTCJul 2, 02:10 UTC1h 15m
2026-06-25 CXA8076 - Jun 25, 10:25 UTCJun 25, 10:39 UTC15m
2026-06-23 CXA8230 - Jun 23, 12:20 UTCJun 23, 12:40 UTC20m
2026-06-23 CXA8229 - Jun 23, 03:34 UTCJun 23, 03:54 UTC20m
2026-06-21 CXA8828 ZUH → XMN Jun 21, 13:50 UTCJun 21, 14:05 UTC15m
2026-06-21 CXA8343 - Jun 21, 12:04 UTCJun 21, 12:24 UTC20m
2026-06-11 CXA8088 SHE → HGH Jun 11, 10:40 UTCJun 11, 23:30 UTC12h 50m
2026-06-11 CXA8782 SYX → FOC Jun 11, 08:50 UTCJun 11, 09:05 UTC15m
2026-06-11 CXA8782 SYX → FOC Jun 11, 07:10 UTCJun 11, 08:10 UTC1h 0m
2026-06-11 CXA8781 SHE → FOC Jun 11, 04:20 UTCJun 11, 04:45 UTC25m
2026-06-10 CXA8096 SHE → PVG Jun 10, 10:25 UTCJun 10, 23:45 UTC13h 20m
2026-06-01 CXA8397 - Jun 1, 00:45 UTCJun 1, 04:45 UTC4h 0m
2026-05-17 CXA8783 FOC → HAK May 17, 11:05 UTCMay 17, 14:25 UTC3h 20m
2026-05-11 CXA878 ICN → FOC May 11, 12:00 UTCMay 11, 12:25 UTC25m
2026-05-11 CXA877 FOC → ICN May 11, 08:55 UTCMay 11, 09:35 UTC40m
2026-05-03 CXA8790 - May 3, 23:35 UTCMay 4, 05:55 UTC6h 20m
2026-05-03 CXA8790 - May 3, 07:45 UTCMay 4, 05:55 UTC22h 10m
2026-05-02 CXA820 MNL → XMN May 2, 13:20 UTCMay 3, 07:55 UTC18h 34m
2026-05-02 CXA819 XMN → MNL May 2, 10:50 UTCMay 2, 11:35 UTC45m

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-7197 page for operator, model, and routing details .

Mode-S 780F20 frequently asked

What is Mode-S code 780F20?
780F20 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-7197.
Where is Mode-S 780F20 registered?
Mode-S code 780F20 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780F20 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 16:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780F20, octal 36007440, decimal 7,868,192.
What flights does 780F20 operate?
Mode-S 780F20 has broadcast 20 distinct callsigns, including CXA8818, CXA8555, CXA8343, CXA8828, CXA8790.