Apparatus

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sensors Mode-S transponder

780D0A

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1731 · BOEING 737-800

Hex
780D0A
Octal
36006412
Decimal
7,867,658
Country
CN
Tail
B-1731
Type
B738
No current signal · last broadcast Jul 26, 16:45 UTC
Flights observed
100
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 16:45 UTC

Last known position

Most recent position reported by Mode-S 780D0A.

Country allocation

The ICAO 24-bit address 780D0A 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
CDG4619 - 5 2026-06-30
CDG4620 - 4 2026-06-30
CDG4092 - 4 2026-07-09
CDG4091 - 4 2026-07-09
CDG1192 - 4 2026-07-15
CDG7943 Shandong Airlines 3 2026-05-17
CDG4618 - 3 2026-07-03
CDG4617 - 3 2026-07-03
CDG4610 - 3 2026-06-28
CDG2293 - 3 2026-07-15
CDG7941 Shandong Airlines 2 2026-05-15
CDG7606 Shandong Airlines 2 2026-07-24
CDG4912 Shandong Airlines 2 2026-06-01
CDG4911 Shandong Airlines 2 2026-06-01
CDG4616 Shandong Airlines 2 2026-06-03
CDG4615 Shandong Airlines 2 2026-06-03
CDG4614 - 2 2026-07-06
CDG4613 - 2 2026-07-06
CDG4609 - 2 2026-06-28
CDG2295 Shandong Airlines 2 2026-05-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CDG2298 SHA → ZUH Jul 26, 13:15 UTCJul 26, 16:45 UTC3h 30m
2026-07-26 CDG2297 ZUH → SHA Jul 26, 12:05 UTCJul 26, 12:15 UTC10m
2026-07-26 CDG2290 HGH → ZUH Jul 26, 09:10 UTCJul 26, 10:35 UTC1h 25m
2026-07-25 CDG2289 ZUH → HGH Jul 25, 04:00 UTCJul 25, 04:10 UTC10m
2026-07-24 CDG1161 PEK → ZUH Jul 24, 23:25 UTCJul 25, 00:05 UTC40m
2026-07-24 CDG7606 PEK → YNT Jul 24, 11:35 UTCJul 24, 11:45 UTC10m
2026-07-24 CDG2125 XMN → PEK Jul 24, 09:00 UTCJul 24, 09:30 UTC30m
2026-07-19 CDG4652 - Jul 19, 13:30 UTCJul 19, 13:45 UTC15m
2026-07-17 CDG8010 - Jul 17, 13:29 UTCJul 17, 14:00 UTC30m
2026-07-17 CDG8009 - Jul 17, 11:50 UTCJul 17, 12:19 UTC30m
2026-07-17 CDG8404 TNA → HRB Jul 17, 02:05 UTCJul 17, 02:30 UTC25m
2026-07-16 CDG1196 - Jul 16, 08:10 UTCJul 16, 08:20 UTC10m
2026-07-15 CDG2293 - Jul 15, 23:40 UTCJul 15, 23:50 UTC10m
2026-07-15 CDG1192 - Jul 15, 01:00 UTCJul 15, 01:15 UTC15m
2026-07-14 CDG1155 - Jul 14, 12:30 UTCJul 14, 12:45 UTC15m
2026-07-14 CDG1158 - Jul 14, 07:40 UTCJul 14, 07:50 UTC10m
2026-07-14 CDG1157 - Jul 14, 02:50 UTCJul 14, 03:10 UTC20m
2026-07-12 CDG8407 - Jul 12, 09:25 UTCJul 12, 09:50 UTC25m
2026-07-11 CDG4682 - Jul 11, 14:15 UTCJul 11, 14:25 UTC10m
2026-07-11 CDG1185 - Jul 11, 12:30 UTCJul 11, 12:50 UTC20m
2026-07-11 CDG8857 - Jul 11, 02:50 UTCJul 11, 06:25 UTC3h 35m
2026-07-09 CDG4092 - Jul 9, 03:45 UTCJul 9, 05:10 UTC1h 25m
2026-07-09 CDG4091 - Jul 9, 00:55 UTCJul 9, 02:25 UTC1h 30m
2026-07-06 CDG4614 - Jul 6, 06:35 UTCJul 6, 06:55 UTC20m
2026-07-06 CDG4613 - Jul 6, 04:50 UTCJul 6, 05:10 UTC20m
2026-07-03 CDG4618 - Jul 3, 13:10 UTCJul 3, 13:35 UTC25m
2026-07-03 CDG4617 - Jul 3, 11:40 UTCJul 3, 12:00 UTC20m
2026-07-03 CDG4910 - Jul 3, 06:00 UTCJul 3, 06:10 UTC10m
2026-07-03 CDG4909 - Jul 3, 02:30 UTCJul 3, 02:45 UTC15m
2026-07-02 CDG4614 - Jul 2, 06:30 UTCJul 2, 06:55 UTC25m
2026-07-02 CDG4613 - Jul 2, 04:40 UTCJul 2, 05:10 UTC30m
2026-07-01 CDG4632 - Jul 1, 10:05 UTCJul 1, 11:05 UTC1h 0m
2026-07-01 CDG4631 - Jul 1, 06:50 UTCJul 1, 08:10 UTC1h 20m
2026-06-30 CDG4620 - Jun 30, 14:00 UTCJun 30, 14:30 UTC30m
2026-06-30 CDG4619 - Jun 30, 12:20 UTCJun 30, 12:40 UTC20m
2026-06-28 CDG4610 - Jun 28, 03:25 UTCJun 28, 03:55 UTC30m
2026-06-28 CDG4609 - Jun 28, 01:44 UTCJun 28, 02:05 UTC20m
2026-06-27 CDG4092 - Jun 27, 07:49 UTCJun 27, 09:24 UTC1h 35m
2026-06-27 CDG4091 - Jun 27, 04:54 UTCJun 27, 06:35 UTC1h 40m
2026-06-16 CDG4092 - Jun 16, 03:45 UTCJun 16, 05:05 UTC1h 20m
2026-06-16 CDG4091 - Jun 16, 00:45 UTCJun 16, 02:24 UTC1h 40m
2026-06-07 CDG4092 KIX → TAO Jun 7, 03:50 UTCJun 7, 05:15 UTC1h 25m
2026-06-07 CDG4091 TAO → KIX Jun 7, 00:34 UTCJun 7, 02:14 UTC1h 40m
2026-06-06 CDG4620 ICN → TAO Jun 6, 14:04 UTCJun 6, 14:20 UTC15m
2026-06-06 CDG4619 TAO → ICN Jun 6, 12:14 UTCJun 6, 12:45 UTC30m
2026-06-05 CDG4681 TAO → SZX Jun 5, 03:30 UTCJun 5, 03:50 UTC20m
2026-06-04 CDG4610 ICN → TAO Jun 4, 03:30 UTCJun 4, 03:50 UTC20m
2026-06-04 CDG4609 TAO → ICN Jun 4, 01:45 UTCJun 4, 02:10 UTC25m
2026-06-03 CDG4618 ICN → TAO Jun 3, 13:05 UTCJun 3, 13:25 UTC20m
2026-06-03 CDG4617 TAO → ICN Jun 3, 11:20 UTCJun 3, 11:55 UTC35m

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-1731 page for operator, model, and routing details .

Mode-S 780D0A frequently asked

What is Mode-S code 780D0A?
780D0A is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1731.
Where is Mode-S 780D0A registered?
Mode-S code 780D0A is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780D0A broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 16:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780D0A, octal 36006412, decimal 7,867,658.
What flights does 780D0A operate?
Mode-S 780D0A has broadcast 20 distinct callsigns, including CDG4619, CDG4620, CDG4092, CDG4091, CDG1192.