Apparatus

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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
Broadcasting now · callsign CDG8061 · 32,675 ft
Flights observed
49
Distinct callsigns
11
Country
CN
Last broadcast
2h ago

Current position

781FDC is currently broadcasting. Map zoomed to live position.

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 11 distinct

Callsign Airline Flights Last seen
CDG2154 Shandong Airlines 15 2026-05-27
CDG2153 Shandong Airlines 15 2026-05-27
CDG2128 Shandong Airlines 4 2026-05-28
CDG2126 Shandong Airlines 3 2026-05-28
CDG1152 Shandong Airlines 3 2026-05-14
CDG1151 Shandong Airlines 3 2026-05-14
CDG8062 Shandong Airlines 2 2026-05-14
CDG8078 Shandong Airlines 1 2026-05-06
CDG8077 Shandong Airlines 1 2026-05-06
CDG8061 Shandong Airlines 1 2026-05-30
CDG1185 Shandong Airlines 1 2026-05-10

Recent flights last 49

DateFlightRouteTakeoffLandingDuration
2026-05-30 CDG8061 TNA → SIN May 30, 12:25 UTCMay 30, 12:50 UTC25m
2026-05-28 CDG2128 PEK → XMN May 28, 14:10 UTCMay 28, 14:25 UTC15m
2026-05-28 CDG2126 PEK → XMN May 28, 05:50 UTCMay 28, 06:00 UTC10m
2026-05-27 CDG2154 CGK → XMN May 27, 17:35 UTCMay 27, 21:50 UTC4h 15m
2026-05-27 CDG2153 XMN → CGK May 27, 15:45 UTCMay 27, 16:05 UTC20m
2026-05-27 CDG2153 XMN → CGK May 27, 14:25 UTCMay 27, 14:55 UTC30m
2026-05-23 CDG2154 CGK → XMN May 23, 17:20 UTCMay 23, 18:40 UTC1h 21m
2026-05-23 CDG2153 XMN → CGK May 23, 11:35 UTCMay 23, 15:10 UTC3h 35m
2026-05-19 CDG2128 PEK → XMN May 19, 13:50 UTCMay 19, 14:00 UTC10m
2026-05-18 CDG2154 CGK → XMN May 18, 17:40 UTCMay 18, 21:50 UTC4h 9m
2026-05-18 CDG2153 XMN → CGK May 18, 16:05 UTCMay 18, 16:20 UTC15m
2026-05-18 CDG2153 XMN → CGK May 18, 14:45 UTCMay 18, 15:35 UTC50m
2026-05-14 CDG8062 SIN → TNA May 14, 17:30 UTCMay 14, 18:00 UTC30m
2026-05-14 CDG1152 HKG → TNA May 14, 06:00 UTCMay 14, 15:20 UTC9h 20m
2026-05-14 CDG1151 TNA → HKG May 14, 03:45 UTCMay 14, 04:30 UTC45m
2026-05-10 CDG1185 TNA → SZX May 10, 12:30 UTCMay 10, 12:40 UTC10m
2026-05-10 CDG1152 HKG → TNA May 10, 05:50 UTCMay 10, 06:04 UTC15m
2026-05-10 CDG1151 TNA → HKG May 10, 03:40 UTCMay 10, 04:15 UTC35m
2026-05-06 CDG8078 KUL → TNA May 6, 22:35 UTCMay 6, 22:50 UTC15m
2026-05-06 CDG8077 TNA → KUL May 6, 20:45 UTCMay 6, 21:05 UTC20m
2026-05-04 CDG8062 SIN → TNA May 4, 17:35 UTCMay 4, 17:50 UTC15m
2026-05-04 CDG1152 HKG → TNA May 4, 05:50 UTCMay 4, 15:20 UTC9h 30m
2026-05-04 CDG1151 TNA → HKG May 4, 03:40 UTCMay 4, 04:15 UTC35m
2026-05-01 CDG2128 PEK → XMN May 1, 13:55 UTCMay 1, 14:05 UTC10m
2026-04-30 CDG2154 CGK → XMN Apr 30, 17:35 UTCApr 30, 19:05 UTC1h 30m
2026-04-30 CDG2153 XMN → CGK Apr 30, 16:00 UTCApr 30, 16:15 UTC15m
2026-04-30 CDG2153 XMN → CGK Apr 30, 14:50 UTCApr 30, 15:25 UTC35m
2026-04-29 CDG2128 PEK → XMN Apr 29, 15:55 UTCApr 30, 15:00 UTC23h 5m
2026-04-29 CDG2126 PEK → XMN Apr 29, 06:05 UTCApr 29, 06:15 UTC10m
2026-04-28 CDG2154 CGK → XMN Apr 28, 18:40 UTCApr 28, 21:45 UTC3h 5m
2026-04-28 CDG2153 XMN → CGK Apr 28, 15:50 UTCApr 28, 16:00 UTC10m
2026-04-28 CDG2153 XMN → CGK Apr 28, 14:30 UTCApr 28, 14:50 UTC20m
2026-04-25 CDG2154 CGK → XMN Apr 25, 18:30 UTCApr 25, 19:55 UTC1h 25m
2026-04-25 CDG2154 CGK → XMN Apr 25, 17:30 UTCApr 25, 17:40 UTC10m
2026-04-25 CDG2153 XMN → CGK Apr 25, 15:50 UTCApr 25, 16:05 UTC15m
2026-04-25 CDG2153 XMN → CGK Apr 25, 13:30 UTCApr 25, 14:55 UTC1h 25m
2026-04-22 CDG2154 CGK → XMN Apr 22, 17:40 UTCApr 22, 21:55 UTC4h 15m
2026-04-22 CDG2153 XMN → CGK Apr 22, 11:45 UTCApr 22, 14:55 UTC3h 10m
2026-04-20 CDG2126 PEK → XMN Apr 20, 05:45 UTCApr 20, 05:55 UTC10m
2026-04-19 CDG2154 CGK → XMN Apr 19, 18:40 UTCApr 19, 20:05 UTC1h 25m
2026-04-19 CDG2154 CGK → XMN Apr 19, 17:40 UTCApr 19, 17:50 UTC10m
2026-04-19 CDG2153 XMN → CGK Apr 19, 13:35 UTCApr 19, 15:00 UTC1h 25m
2026-04-16 CDG2154 CGK → XMN Apr 16, 19:15 UTCApr 16, 20:20 UTC1h 5m
2026-04-16 CDG2154 CGK → XMN Apr 16, 18:55 UTCApr 16, 19:10 UTC15m
2026-04-16 CDG2154 CGK → XMN Apr 16, 17:50 UTCApr 16, 18:05 UTC15m
2026-04-16 CDG2153 XMN → CGK Apr 16, 13:50 UTCApr 16, 15:10 UTC1h 20m
2026-04-13 CDG2154 CGK → XMN Apr 13, 18:45 UTCApr 13, 19:05 UTC20m
2026-04-13 CDG2154 CGK → XMN Apr 13, 17:40 UTCApr 13, 17:55 UTC15m
2026-04-13 CDG2153 XMN → CGK Apr 13, 14:30 UTCApr 13, 14:55 UTC25m

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?
Yes. Mode-S 781FDC is currently airborne.
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 11 distinct callsigns, including CDG2154, CDG2153, CDG2128, CDG2126, CDG1152.