Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

781FDC

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-223V · BOEING 737 MAX 8

Hex
781FDC
Octal
36017734
Decimal
7,872,476
Country
CN
Tail
B-223V
Type
B38M
No current signal · last broadcast 1d ago
Flights observed
104
Distinct callsigns
18
Country
CN
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 781FDC.

Country allocation

The ICAO 24-bit address 781FDC 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 18 distinct

Callsign Airline Flights Last seen
CDG2153 - 35 2026-07-06
CDG2154 - 29 2026-07-06
CDG2128 - 8 2026-07-04
CDG2126 - 6 2026-07-07
CDG8062 Shandong Airlines 4 2026-06-02
CDG1151 Shandong Airlines 4 2026-06-02
CDG8078 Shandong Airlines 3 2026-06-06
CDG1152 Shandong Airlines 3 2026-05-14
CDG8077 Shandong Airlines 2 2026-06-06
CDG8061 Shandong Airlines 2 2026-06-02
CDG4998 - 1 2026-07-09
CDG4997 - 1 2026-07-08
CDG4675 - 1 2026-07-13
CDG4646 - 1 2026-07-09
CDG2111 - 1 2026-06-25
CDG1188 Shandong Airlines 1 2026-06-06
CDG1187 Shandong Airlines 1 2026-06-06
CDG1185 Shandong Airlines 1 2026-05-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 CDG4675 - Jul 13, 09:50 UTCJul 13, 10:00 UTC10m
2026-07-09 CDG4646 - Jul 9, 16:30 UTCJul 9, 23:05 UTC6h 35m
2026-07-09 CDG4998 - Jul 9, 02:20 UTCJul 9, 02:45 UTC25m
2026-07-08 CDG4997 - Jul 8, 23:50 UTCJul 9, 00:20 UTC30m
2026-07-07 CDG2126 - Jul 7, 12:15 UTCJul 7, 12:25 UTC10m
2026-07-06 CDG2154 - Jul 6, 17:45 UTCJul 6, 22:00 UTC4h 15m
2026-07-06 CDG2153 - Jul 6, 15:55 UTCJul 6, 16:10 UTC15m
2026-07-06 CDG2153 - Jul 6, 14:30 UTCJul 6, 15:20 UTC50m
2026-07-04 CDG2128 - Jul 4, 15:15 UTCJul 4, 15:25 UTC10m
2026-07-04 CDG2126 - Jul 4, 06:50 UTCJul 4, 07:00 UTC10m
2026-07-03 CDG2154 - Jul 3, 19:20 UTCJul 3, 23:40 UTC4h 20m
2026-07-03 CDG2153 - Jul 3, 17:55 UTCJul 3, 18:05 UTC10m
2026-07-03 CDG2153 - Jul 3, 13:40 UTCJul 3, 17:15 UTC3h 35m
2026-06-30 CDG2154 - Jun 30, 18:00 UTCJun 30, 19:25 UTC1h 25m
2026-06-30 CDG2153 - Jun 30, 16:15 UTCJun 30, 16:30 UTC15m
2026-06-30 CDG2153 - Jun 30, 14:50 UTCJun 30, 15:40 UTC50m
2026-06-27 CDG2128 - Jun 27, 13:49 UTCJun 27, 14:05 UTC15m
2026-06-26 CDG2154 - Jun 26, 18:29 UTCJun 26, 20:00 UTC1h 30m
2026-06-26 CDG2153 - Jun 26, 16:35 UTCJun 26, 16:49 UTC15m
2026-06-26 CDG2153 - Jun 26, 15:10 UTCJun 26, 15:54 UTC45m
2026-06-25 CDG2111 - Jun 25, 23:09 UTCJun 25, 23:24 UTC15m
2026-06-24 CDG2154 - Jun 24, 20:14 UTCJun 24, 21:04 UTC50m
2026-06-24 CDG2154 - Jun 24, 19:29 UTCJun 24, 19:39 UTC10m
2026-06-24 CDG2153 - Jun 24, 16:19 UTCJun 24, 17:59 UTC1h 40m
2026-06-22 CDG2128 PEK → XMN Jun 22, 15:50 UTCJun 22, 15:59 UTC10m
2026-06-21 CDG2154 - Jun 21, 18:44 UTCJun 21, 23:00 UTC4h 15m
2026-06-21 CDG2153 - Jun 21, 13:20 UTCJun 21, 16:39 UTC3h 20m
2026-06-18 CDG2154 - Jun 18, 17:45 UTCJun 18, 19:10 UTC1h 25m
2026-06-18 CDG2153 - Jun 18, 15:50 UTCJun 18, 16:05 UTC15m
2026-06-18 CDG2153 - Jun 18, 11:40 UTCJun 18, 14:55 UTC3h 15m
2026-06-15 CDG2154 - Jun 15, 22:40 UTCJun 15, 22:54 UTC15m
2026-06-15 CDG2154 - Jun 15, 18:15 UTCJun 15, 19:55 UTC1h 40m
2026-06-15 CDG2153 - Jun 15, 14:55 UTCJun 15, 15:45 UTC50m
2026-06-13 CDG2154 - Jun 13, 17:35 UTCJun 13, 22:05 UTC4h 30m
2026-06-13 CDG2153 - Jun 13, 15:50 UTCJun 13, 16:05 UTC15m
2026-06-13 CDG2153 - Jun 13, 11:40 UTCJun 13, 15:15 UTC3h 35m
2026-06-11 CDG2154 - Jun 11, 17:55 UTCJun 11, 19:25 UTC1h 30m
2026-06-11 CDG2153 XMN → CGK Jun 11, 16:00 UTCJun 11, 16:30 UTC30m
2026-06-11 CDG2153 XMN → CGK Jun 11, 14:35 UTCJun 11, 15:20 UTC45m
2026-06-10 CDG2126 PEK → XMN Jun 10, 06:50 UTCJun 10, 07:00 UTC10m
2026-06-09 CDG2154 CGK → XMN Jun 9, 18:55 UTCJun 9, 20:20 UTC1h 25m
2026-06-09 CDG2153 XMN → CGK Jun 9, 15:50 UTCJun 9, 17:30 UTC1h 40m
2026-06-08 CDG2154 CGK → XMN Jun 8, 18:50 UTCJun 8, 23:25 UTC4h 35m
2026-06-08 CDG2153 XMN → CGK Jun 8, 17:05 UTCJun 8, 17:25 UTC20m
2026-06-08 CDG2153 XMN → CGK Jun 8, 12:55 UTCJun 8, 16:25 UTC3h 30m
2026-06-07 CDG2128 PEK → XMN Jun 7, 13:50 UTCJun 7, 14:00 UTC10m
2026-06-06 CDG8078 KUL → TNA Jun 6, 22:25 UTCJun 6, 22:55 UTC30m
2026-06-06 CDG8078 KUL → TNA Jun 6, 20:00 UTCJun 6, 20:14 UTC15m
2026-06-06 CDG8077 TNA → KUL Jun 6, 15:15 UTCJun 6, 18:19 UTC3h 5m
2026-06-06 CDG1188 SZX → TNA Jun 6, 09:09 UTCJun 6, 09:19 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-223V page for operator, model, and routing details .

Mode-S 781FDC frequently asked

What is Mode-S code 781FDC?
781FDC is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-223V.
Where is Mode-S 781FDC registered?
Mode-S code 781FDC is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 781FDC broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 781FDC, octal 36017734, decimal 7,872,476.
What flights does 781FDC operate?
Mode-S 781FDC has broadcast 18 distinct callsigns, including CDG2153, CDG2154, CDG2128, CDG2126, CDG8062.