sensors Mode-S transponder

78140D

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1131 · BOEING 737-800

Hex
78140D
Octal
36012015
Decimal
7,869,453
Country
CN
Tail
B-1131
Type
B738
No current signal · last broadcast 19h ago
Flights observed
41
Distinct callsigns
20
Country
CN
Last broadcast
19h ago

Last known position

Most recent position reported by Mode-S 78140D.

Country allocation

The ICAO 24-bit address 78140D 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
CHH7068 Hainan Airlines 4 2026-05-08
CHH7698 Hainan Airlines 3 2026-05-28
CHH7216 Hainan Airlines 3 2026-05-08
CHH7697 Hainan Airlines 2 2026-05-23
CHH7067 Hainan Airlines 2 2026-05-07
CHH7988 Hainan Airlines 1 2026-05-18
CHH7987 Hainan Airlines 1 2026-05-18
CHH7872 Hainan Airlines 1 2026-04-19
CHH7811 Hainan Airlines 1 2026-05-19
CHH7746 - 1 2026-04-16
CHH7745 - 1 2026-04-16
CHH7737 - 1 2026-04-13
CHH7688 Hainan Airlines 1 2026-04-26
CHH7579 Hainan Airlines 1 2026-05-29
CHH7555 - 1 2026-04-19
CHH7536 Hainan Airlines 1 2026-04-23
CHH7475 Hainan Airlines 1 2026-04-13
CHH7338 Hainan Airlines 1 2026-04-20
CHH7303 Hainan Airlines 1 2026-05-29
CHH7282 Hainan Airlines 1 2026-04-28

Recent flights last 41

DateFlightRouteTakeoffLandingDuration
2026-05-29 CHH7579 PEK → SYX May 29, 13:20 UTCMay 29, 16:15 UTC2h 55m
2026-05-29 CHH7303 SYX → TFU May 29, 01:05 UTCMay 29, 09:05 UTC8h 0m
2026-05-28 CHH7698 NKG → SYX May 28, 05:20 UTCMay 29, 01:10 UTC19h 50m
2026-05-28 CHH7698 NKG → SYX May 28, 05:10 UTCMay 29, 01:10 UTC20h 0m
2026-05-23 CHH7697 SYX → NKG May 23, 05:30 UTCMay 23, 09:20 UTC3h 50m
2026-05-22 CHH7697 SYX → NKG May 22, 09:40 UTCMay 23, 09:15 UTC23h 34m
2026-05-22 CHH7698 NKG → SYX May 22, 05:10 UTCMay 22, 09:45 UTC4h 35m
2026-05-19 CHH7811 PEK → CAN May 19, 08:45 UTCMay 19, 15:25 UTC6h 40m
2026-05-19 CHH7147 PEK → TFU May 19, 00:05 UTCMay 19, 00:20 UTC15m
2026-05-18 CHH7134 - May 18, 16:15 UTCMay 18, 16:30 UTC15m
2026-05-18 CHH7133 - May 18, 12:15 UTCMay 18, 12:40 UTC25m
2026-05-18 CHH7988 TPE → PEK May 18, 05:15 UTCMay 18, 05:50 UTC35m
2026-05-18 CHH7987 PEK → TPE May 18, 00:45 UTCMay 18, 03:30 UTC2h 45m
2026-05-08 CHH7216 NKG → HAK May 8, 15:35 UTCMay 9, 09:35 UTC18h 0m
2026-05-08 CHH7216 NKG → HAK May 8, 12:14 UTCMay 9, 09:35 UTC21h 20m
2026-05-08 CHH7068 HRB → WUH May 8, 07:20 UTCMay 9, 04:40 UTC21h 20m
2026-05-08 CHH7068 HRB → WUH May 8, 07:14 UTCMay 9, 04:40 UTC21h 25m
2026-05-08 CHH7068 HRB → WUH May 8, 02:14 UTCMay 8, 15:45 UTC13h 30m
2026-05-07 CHH7068 HRB → WUH May 7, 14:00 UTCMay 8, 12:14 UTC22h 14m
2026-05-07 CHH7067 HAK → WUH May 7, 02:45 UTCMay 7, 14:15 UTC11h 30m
2026-05-06 CHH7067 HAK → WUH May 6, 14:05 UTCMay 7, 02:55 UTC12h 49m
2026-05-03 CHH720 HKG → HAK May 3, 09:35 UTCMay 3, 09:50 UTC15m
2026-05-03 CHH719 HAK → HKG May 3, 06:15 UTCMay 3, 06:35 UTC20m
2026-05-03 CHH706 HKG → HAK May 3, 02:10 UTCMay 3, 02:25 UTC15m
2026-05-02 CHH705 HAK → HKG May 2, 23:40 UTCMay 2, 23:50 UTC10m
2026-05-01 CHH7216 NKG → HAK May 1, 04:20 UTCMay 1, 15:55 UTC11h 35m
2026-04-28 CHH7282 PEK → HAK Apr 28, 13:20 UTCApr 28, 13:35 UTC15m
2026-04-28 CHH440 NRT → PEK Apr 28, 05:15 UTCApr 28, 07:35 UTC2h 20m
2026-04-28 CHH439 PEK → NRT Apr 28, 00:30 UTCApr 28, 02:20 UTC1h 50m
2026-04-26 CHH7688 NGB → HAK Apr 26, 23:35 UTCApr 27, 10:30 UTC10h 55m
2026-04-24 CHH7167 PEK → CKG Apr 24, 00:20 UTCApr 24, 13:25 UTC13h 5m
2026-04-23 CHH7536 CSX → PEK Apr 23, 15:35 UTCApr 23, 15:45 UTC10m
2026-04-20 CHH7338 XIY → PEK Apr 20, 12:05 UTCApr 20, 12:15 UTC10m
2026-04-19 CHH7555 - Apr 19, 10:55 UTCApr 20, 02:35 UTC15h 40m
2026-04-19 CHH7872 SZX → XIY Apr 19, 05:20 UTCApr 19, 05:30 UTC10m
2026-04-17 CHH7026 - Apr 17, 15:50 UTCApr 17, 16:05 UTC15m
2026-04-16 CHH7746 - Apr 16, 15:25 UTCApr 16, 15:40 UTC15m
2026-04-16 CHH7745 - Apr 16, 03:19 UTCApr 16, 03:30 UTC10m
2026-04-14 CHH7275 - Apr 14, 06:15 UTCApr 14, 06:30 UTC15m
2026-04-13 CHH7737 - Apr 13, 23:00 UTCApr 13, 23:10 UTC10m
2026-04-13 CHH7475 SZX → TFU Apr 13, 08:00 UTCApr 13, 08:10 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-1131 page for operator, model, and routing details .

Mode-S 78140D frequently asked

What is Mode-S code 78140D?
78140D is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1131.
Where is Mode-S 78140D registered?
Mode-S code 78140D is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 78140D broadcasting right now?
No active broadcast right now. Last signal was 19h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 78140D, octal 36012015, decimal 7,869,453.
What flights does 78140D operate?
Mode-S 78140D has broadcast 20 distinct callsigns, including CHH7068, CHH7698, CHH7216, CHH7697, CHH7067.