Apparatus

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sensors Mode-S transponder

780F7F

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-7631 · BOEING 737-800

Hex
780F7F
Octal
36007577
Decimal
7,868,287
Country
CN
Tail
B-7631
Type
B738
No current signal · last broadcast 7d ago
Flights observed
54
Distinct callsigns
20
Country
CN
Last broadcast
7d ago

Last known position

Most recent position reported by Mode-S 780F7F.

Country allocation

The ICAO 24-bit address 780F7F 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
EPA6313 Shenzhen Donghai Airlines 3 2026-05-03
EPA6272 - 3 2026-05-23
EPA6271 - 3 2026-05-22
EPA6258 Shenzhen Donghai Airlines 3 2026-05-03
EPA6366 Shenzhen Donghai Airlines 2 2026-05-18
EPA6365 Shenzhen Donghai Airlines 2 2026-05-18
EPA6321 Shenzhen Donghai Airlines 2 2026-05-17
EPA6314 Shenzhen Donghai Airlines 2 2026-05-03
EPA6284 Shenzhen Donghai Airlines 2 2026-04-30
EPA6283 Shenzhen Donghai Airlines 2 2026-04-30
EPA6279 - 2 2026-05-21
EPA6274 Shenzhen Donghai Airlines 2 2026-05-16
EPA6273 Shenzhen Donghai Airlines 2 2026-05-23
EPA6257 Shenzhen Donghai Airlines 2 2026-05-03
EPA6256 Shenzhen Donghai Airlines 2 2026-05-21
EPA6255 Shenzhen Donghai Airlines 2 2026-05-21
EPA6254 - 2 2026-05-20
EPA6218 Shenzhen Donghai Airlines 2 2026-05-17
EPA6322 Shenzhen Donghai Airlines 1 2026-05-17
EPA6301 Shenzhen Donghai Airlines 1 2026-04-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-23 EPA6273 SZX → YIH May 23, 05:20 UTCMay 23, 05:35 UTC15m
2026-05-23 EPA6272 - May 23, 03:25 UTCMay 23, 03:35 UTC10m
2026-05-22 EPA6271 - May 22, 22:50 UTCMay 22, 23:00 UTC10m
2026-05-22 EPA6270 YIH → SZX May 22, 16:35 UTCMay 22, 16:55 UTC20m
2026-05-22 EPA6280 - May 22, 04:25 UTCMay 22, 04:35 UTC10m
2026-05-21 EPA6279 - May 21, 23:10 UTCMay 21, 23:20 UTC10m
2026-05-21 EPA6256 ZYI → SZX May 21, 19:35 UTCMay 21, 19:45 UTC10m
2026-05-21 EPA6255 SZX → ZYI May 21, 06:20 UTCMay 21, 06:30 UTC10m
2026-05-21 EPA6272 - May 21, 03:30 UTCMay 21, 04:30 UTC1h 0m
2026-05-20 EPA6271 - May 20, 23:05 UTCMay 20, 23:20 UTC15m
2026-05-20 EPA6254 - May 20, 18:20 UTCMay 20, 18:30 UTC10m
2026-05-20 EPA6254 - May 20, 11:35 UTCMay 20, 12:10 UTC35m
2026-05-19 EPA6253 - May 19, 23:20 UTCMay 19, 23:30 UTC10m
2026-05-19 EPA6256 ZYI → SZX May 19, 14:50 UTCMay 19, 15:00 UTC10m
2026-05-19 EPA6255 SZX → ZYI May 19, 02:05 UTCMay 19, 02:15 UTC10m
2026-05-18 EPA6366 VTE → SZX May 18, 15:10 UTCMay 18, 15:25 UTC15m
2026-05-18 EPA6365 SZX → VTE May 18, 10:35 UTCMay 18, 10:45 UTC10m
2026-05-17 EPA6241 - May 17, 22:55 UTCMay 17, 23:10 UTC15m
2026-05-17 EPA6218 WUX → SZX May 17, 15:45 UTCMay 17, 16:10 UTC25m
2026-05-17 EPA6321 ZUH → WUX May 17, 11:15 UTCMay 17, 11:25 UTC10m
2026-05-17 EPA6322 WUX → ZUH May 17, 05:25 UTCMay 17, 05:45 UTC20m
2026-05-16 EPA6274 YIH → SZX May 16, 16:40 UTCMay 16, 17:05 UTC25m
2026-05-05 EPA6273 SZX → YIH May 5, 05:25 UTCMay 5, 05:35 UTC10m
2026-05-05 EPA6272 - May 5, 03:25 UTCMay 5, 03:40 UTC15m
2026-05-04 EPA6271 - May 4, 22:50 UTCMay 4, 23:00 UTC10m
2026-05-03 EPA6279 - May 3, 22:54 UTCMay 3, 23:04 UTC10m
2026-05-03 EPA6258 NKG → SZX May 3, 17:24 UTCMay 3, 17:40 UTC15m
2026-05-03 EPA6313 ZUH → NKG May 3, 10:20 UTCMay 3, 10:30 UTC10m
2026-05-03 EPA6314 NKG → ZUH May 3, 07:50 UTCMay 3, 08:30 UTC40m
2026-05-03 EPA6257 SZX → NKG May 3, 01:50 UTCMay 3, 02:00 UTC10m
2026-05-02 EPA6218 WUX → SZX May 2, 16:05 UTCMay 2, 16:15 UTC10m
2026-05-02 EPA6321 ZUH → WUX May 2, 11:05 UTCMay 2, 11:20 UTC15m
2026-05-01 EPA6258 NKG → SZX May 1, 15:25 UTCMay 1, 16:10 UTC45m
2026-05-01 EPA6313 ZUH → NKG May 1, 11:10 UTCMay 1, 11:20 UTC10m
2026-05-01 EPA6257 SZX → NKG May 1, 03:15 UTCMay 1, 03:25 UTC10m
2026-05-01 EPA6278 CGO → SZX May 1, 00:10 UTCMay 1, 00:30 UTC20m
2026-04-30 EPA6284 SHS → SZX Apr 30, 14:10 UTCApr 30, 14:35 UTC25m
2026-04-30 EPA6283 SZX → SHS Apr 30, 03:35 UTCApr 30, 03:45 UTC10m
2026-04-29 EPA6226 YIW → SZX Apr 29, 12:05 UTCApr 29, 12:15 UTC10m
2026-04-29 EPA6225 SZX → YIW Apr 29, 06:55 UTCApr 29, 07:40 UTC45m
2026-04-28 EPA6265 SZX → KMG Apr 28, 22:49 UTCApr 28, 23:00 UTC10m
2026-04-28 EPA6284 SHS → SZX Apr 28, 13:00 UTCApr 28, 13:10 UTC10m
2026-04-28 EPA6283 SZX → SHS Apr 28, 03:15 UTCApr 28, 03:25 UTC10m
2026-04-28 EPA6268 - Apr 28, 01:20 UTCApr 28, 01:35 UTC15m
2026-04-26 EPA6243 SZX → CGO Apr 26, 23:15 UTCApr 26, 23:25 UTC10m
2026-04-26 EPA6258 NKG → SZX Apr 26, 14:10 UTCApr 26, 14:35 UTC25m
2026-04-26 EPA6313 ZUH → NKG Apr 26, 09:10 UTCApr 26, 09:20 UTC10m
2026-04-26 EPA6314 NKG → ZUH Apr 26, 06:55 UTCApr 26, 07:10 UTC15m
2026-04-25 EPA6232 DAT → SZX Apr 25, 14:20 UTCApr 25, 14:35 UTC15m
2026-04-25 EPA6231 SZX → DAT Apr 25, 02:05 UTCApr 25, 02:15 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-7631 page for operator, model, and routing details .

Mode-S 780F7F frequently asked

What is Mode-S code 780F7F?
780F7F is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-7631.
Where is Mode-S 780F7F registered?
Mode-S code 780F7F is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780F7F broadcasting right now?
No active broadcast right now. Last signal was 7d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780F7F, octal 36007577, decimal 7,868,287.
What flights does 780F7F operate?
Mode-S 780F7F has broadcast 20 distinct callsigns, including EPA6313, EPA6272, EPA6271, EPA6258, EPA6366.