Apparatus

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sensors Mode-S transponder

780E1F

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1528 · BOEING 737-800

Hex
780E1F
Octal
36007037
Decimal
7,867,935
Country
CN
Tail
B-1528
Type
B738
No current signal · last broadcast 15h ago
Flights observed
95
Distinct callsigns
20
Country
CN
Last broadcast
15h ago

Last known position

Most recent position reported by Mode-S 780E1F.

Country allocation

The ICAO 24-bit address 780E1F 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
CCA129 Air China 9 2026-05-27
CCA130 Air China 8 2026-05-27
CCA2678 - 6 2026-06-28
CCA419 - 5 2026-07-06
CCA4372 - 4 2026-06-29
CCA4330 - 4 2026-07-04
CCA4142 Air China 4 2026-06-12
CCA4368 - 3 2026-07-06
CCA4367 - 3 2026-07-02
CCA4365 - 3 2026-07-04
CCA420 - 3 2026-07-05
CCA4136 - 3 2026-07-01
CCA1873 - 3 2026-06-09
CCA4346 - 2 2026-06-27
CCA4015 - 2 2026-07-17
CCA4011 - 2 2026-06-30
CCA1603 Air China 2 2026-06-11
CCA1487 Air China 2 2026-06-10
CCA4375 Air China 1 2026-05-06
CCA4366 - 1 2026-07-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 CCA4147 - Jul 17, 12:00 UTCJul 17, 12:15 UTC15m
2026-07-17 CCA4015 - Jul 17, 01:59 UTCJul 17, 02:15 UTC15m
2026-07-10 CCA4015 - Jul 10, 01:45 UTCJul 10, 02:05 UTC20m
2026-07-07 CCA4364 - Jul 7, 03:00 UTCJul 7, 03:10 UTC10m
2026-07-06 CCA419 - Jul 6, 07:05 UTCJul 6, 07:20 UTC15m
2026-07-06 CCA419 - Jul 6, 04:50 UTCJul 6, 05:20 UTC30m
2026-07-06 CCA4368 - Jul 6, 00:15 UTCJul 6, 00:25 UTC10m
2026-07-05 CCA420 - Jul 5, 07:55 UTCJul 5, 08:10 UTC15m
2026-07-05 CCA419 - Jul 5, 05:55 UTCJul 5, 06:30 UTC35m
2026-07-04 CCA4366 - Jul 4, 15:55 UTCJul 4, 16:05 UTC10m
2026-07-04 CCA4365 - Jul 4, 11:00 UTCJul 4, 11:15 UTC15m
2026-07-04 CCA4330 - Jul 4, 00:30 UTCJul 4, 00:40 UTC10m
2026-07-03 CCA4365 - Jul 3, 10:25 UTCJul 3, 10:35 UTC10m
2026-07-03 CCA4330 - Jul 3, 01:40 UTCJul 3, 01:50 UTC10m
2026-07-02 CCA4367 - Jul 2, 17:20 UTCJul 2, 17:30 UTC10m
2026-07-01 CCA4136 - Jul 1, 14:00 UTCJul 1, 14:25 UTC25m
2026-07-01 CCA1891 - Jul 1, 05:20 UTCJul 1, 05:30 UTC10m
2026-06-30 CCA4011 - Jun 30, 01:00 UTCJun 30, 01:19 UTC20m
2026-06-29 CCA4372 - Jun 29, 10:00 UTCJun 29, 10:10 UTC10m
2026-06-28 CCA2678 - Jun 28, 04:10 UTCJun 28, 04:20 UTC10m
2026-06-27 CCA4346 - Jun 27, 16:00 UTCJun 27, 16:14 UTC15m
2026-06-26 CCA4346 - Jun 26, 16:30 UTCJun 26, 16:39 UTC10m
2026-06-26 CCA4330 - Jun 26, 00:24 UTCJun 26, 00:35 UTC10m
2026-06-25 CCA4365 - Jun 25, 07:34 UTCJun 25, 07:45 UTC10m
2026-06-25 CCA4330 - Jun 25, 00:19 UTCJun 25, 00:35 UTC15m
2026-06-24 CCA4367 - Jun 24, 16:29 UTCJun 24, 16:40 UTC10m
2026-06-24 CCA4372 - Jun 24, 09:39 UTCJun 24, 09:49 UTC10m
2026-06-23 CCA2678 - Jun 23, 03:29 UTCJun 23, 03:45 UTC15m
2026-06-21 CCA4359 KWE → CAN Jun 21, 12:35 UTCJun 21, 12:44 UTC10m
2026-06-21 CCA4013 - Jun 21, 02:20 UTCJun 21, 02:30 UTC10m
2026-06-20 CCA4138 - Jun 20, 05:19 UTCJun 21, 02:30 UTC21h 10m
2026-06-13 CCA2678 - Jun 13, 03:00 UTCJun 13, 03:15 UTC15m
2026-06-12 CCA4142 PEK → CKG Jun 12, 10:35 UTCJun 12, 11:05 UTC30m
2026-06-11 CCA1603 PEK → HRB Jun 11, 23:35 UTCJun 11, 23:45 UTC10m
2026-06-11 CCA4148 PEK → CKG Jun 11, 02:55 UTCJun 11, 03:20 UTC25m
2026-06-10 CCA1487 PEK → DZH Jun 10, 04:50 UTCJun 10, 05:15 UTC25m
2026-06-09 CCA1655 PEK → DDG Jun 9, 23:05 UTCJun 9, 23:20 UTC15m
2026-06-09 CCA1873 - Jun 9, 07:50 UTCJun 9, 08:00 UTC10m
2026-06-08 CCA1487 PEK → DZH Jun 8, 05:10 UTCJun 8, 05:35 UTC25m
2026-06-01 CCA407 CKG → SGN Jun 1, 11:55 UTCJun 1, 18:15 UTC6h 20m
2026-06-01 CCA4368 SZX → CKG Jun 1, 00:30 UTCJun 1, 00:45 UTC15m
2026-05-31 CCA4367 KWE → SZX May 31, 14:55 UTCMay 31, 15:05 UTC10m
2026-05-31 CCA4372 ZUH → CKG May 31, 09:30 UTCMay 31, 09:40 UTC10m
2026-05-30 CCA2678 ZUH → TFU May 30, 03:10 UTCMay 30, 03:20 UTC10m
2026-05-29 CCA2678 ZUH → TFU May 29, 03:20 UTCMay 29, 03:35 UTC15m
2026-05-27 CCA4136 PEK → CKG May 27, 12:45 UTCMay 27, 13:05 UTC20m
2026-05-27 CCA130 PUS → PEK May 27, 03:50 UTCMay 27, 04:30 UTC40m
2026-05-27 CCA129 PEK → PUS May 27, 01:39 UTCMay 27, 02:09 UTC30m
2026-05-27 CCA129 PEK → PUS May 27, 00:44 UTCMay 27, 00:55 UTC10m
2026-05-26 CCA1272 LHW → PEK May 26, 08:45 UTCMay 26, 09:04 UTC20m

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-1528 page for operator, model, and routing details .

Mode-S 780E1F frequently asked

What is Mode-S code 780E1F?
780E1F is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1528.
Where is Mode-S 780E1F registered?
Mode-S code 780E1F is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780E1F broadcasting right now?
No active broadcast right now. Last signal was 15h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780E1F, octal 36007037, decimal 7,867,935.
What flights does 780E1F operate?
Mode-S 780E1F has broadcast 20 distinct callsigns, including CCA129, CCA130, CCA2678, CCA419, CCA4372.