Apparatus

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sensors Mode-S transponder

780EF8

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-8287 · AIRBUS A-330-300

Hex
780EF8
Octal
36007370
Decimal
7,868,152
Country
CN
Tail
B-8287
Type
A333
No current signal · last broadcast 2d ago
Flights observed
62
Distinct callsigns
20
Country
CN
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S 780EF8.

Country allocation

The ICAO 24-bit address 780EF8 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
CHH483 Hainan Airlines 5 2026-05-02
CHH7966 Hainan Airlines 4 2026-05-24
CHH7965 Hainan Airlines 4 2026-05-24
CHH7705 Hainan Airlines 4 2026-05-30
CHH7702 Hainan Airlines 4 2026-05-31
CHH766 Hainan Airlines 4 2026-04-29
CHH752 Hainan Airlines 3 2026-05-16
CHH7811 Hainan Airlines 2 2026-05-06
CHH7806 Hainan Airlines 2 2026-05-21
CHH7805 Hainan Airlines 2 2026-05-20
CHH7715 Hainan Airlines 2 2026-05-29
CHH7710 Hainan Airlines 2 2026-05-29
CHH7707 Hainan Airlines 2 2026-05-27
CHH751 Hainan Airlines 2 2026-05-15
CHH7179 Hainan Airlines 2 2026-05-18
CHH484 Hainan Airlines 2 2026-05-03
CHH7816 Hainan Airlines 1 2026-05-04
CHH7815 - 1 2026-04-20
CHH7814 Hainan Airlines 1 2026-04-25
CHH765 Hainan Airlines 1 2026-04-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-31 CHH7702 SZX → PEK May 31, 23:40 UTCMay 31, 23:55 UTC15m
2026-05-30 CHH7705 PEK → SZX May 30, 03:50 UTCMay 30, 04:10 UTC20m
2026-05-29 CHH7702 SZX → PEK May 29, 23:25 UTCMay 29, 23:35 UTC10m
2026-05-29 CHH7715 SZX → TNA May 29, 17:55 UTCMay 29, 18:05 UTC10m
2026-05-29 CHH7715 SZX → TNA May 29, 15:20 UTCMay 29, 15:40 UTC20m
2026-05-29 CHH7710 SZX → PEK May 29, 12:00 UTCMay 29, 12:10 UTC10m
2026-05-29 CHH7710 SZX → PEK May 29, 09:25 UTCMay 29, 09:45 UTC20m
2026-05-29 CHH7705 PEK → SZX May 29, 06:30 UTCMay 29, 07:00 UTC30m
2026-05-29 CHH7705 PEK → SZX May 29, 04:00 UTCMay 29, 04:20 UTC20m
2026-05-28 CHH7705 PEK → SZX May 28, 03:50 UTCMay 28, 04:15 UTC25m
2026-05-27 CHH7702 SZX → PEK May 27, 23:20 UTCMay 27, 23:35 UTC15m
2026-05-27 CHH7707 PEK → SZX May 27, 08:35 UTCMay 27, 08:45 UTC10m
2026-05-27 CHH7707 PEK → SZX May 27, 06:04 UTCMay 27, 06:20 UTC15m
2026-05-26 CHH7477 PEK → HGH May 26, 04:15 UTCMay 26, 04:30 UTC15m
2026-05-25 CHH7702 SZX → PEK May 25, 23:24 UTCMay 25, 23:40 UTC15m
2026-05-24 CHH7966 LED → PEK May 24, 20:50 UTCMay 24, 21:40 UTC50m
2026-05-24 CHH7966 LED → PEK May 24, 17:35 UTCMay 24, 17:55 UTC20m
2026-05-24 CHH7965 PEK → LED May 24, 10:50 UTCMay 24, 15:30 UTC4h 40m
2026-05-21 CHH7577 PEK → HGH May 21, 23:15 UTCMay 21, 23:30 UTC15m
2026-05-21 CHH7806 CAN → PEK May 21, 05:10 UTCMay 21, 05:20 UTC10m
2026-05-20 CHH7805 PEK → CAN May 20, 02:45 UTCMay 20, 03:05 UTC20m
2026-05-19 CHH7601 PEK → SHA May 19, 00:05 UTCMay 19, 00:15 UTC10m
2026-05-18 CHH7179 PEK → SYX May 18, 01:45 UTCMay 18, 02:05 UTC20m
2026-05-17 CHH7448 TFU → PEK May 17, 13:20 UTCMay 17, 13:50 UTC30m
2026-05-16 CHH752 DUB → PEK May 16, 11:05 UTCMay 16, 14:41 UTC3h 35m
2026-05-15 CHH751 PEK → DUB May 15, 22:20 UTCMay 16, 05:30 UTC7h 10m
2026-05-08 CHH7805 PEK → CAN May 8, 02:59 UTCMay 8, 03:19 UTC20m
2026-05-06 CHH7811 PEK → CAN May 6, 09:00 UTCMay 6, 09:20 UTC20m
2026-05-06 CHH7603 PEK → SHA May 6, 00:55 UTCMay 6, 01:05 UTC10m
2026-05-05 CHH7144 KHN → PEK May 5, 13:30 UTCMay 5, 13:40 UTC10m
2026-05-05 CHH7614 PVG → PEK May 5, 05:15 UTCMay 5, 05:25 UTC10m
2026-05-04 CHH7613 PEK → PVG May 4, 23:50 UTCMay 5, 00:00 UTC10m
2026-05-04 CHH7816 CAN → PEK May 4, 15:45 UTCMay 4, 15:55 UTC10m
2026-05-04 CHH7811 PEK → CAN May 4, 09:00 UTCMay 4, 09:15 UTC15m
2026-05-04 CHH7481 HAK → PEK May 4, 06:15 UTCMay 4, 06:25 UTC10m
2026-05-03 CHH484 MEL → HAK May 3, 09:55 UTCMay 3, 18:05 UTC8h 10m
2026-05-02 CHH483 PEK → OVB May 2, 20:25 UTCMay 3, 04:00 UTC7h 34m
2026-05-02 CHH483 PEK → OVB May 2, 05:25 UTCMay 3, 04:00 UTC22h 34m
2026-05-01 CHH484 MEL → HAK May 1, 10:15 UTCMay 1, 18:10 UTC7h 55m
2026-04-30 CHH483 PEK → OVB Apr 30, 09:05 UTCMay 1, 03:45 UTC18h 40m
2026-04-30 CHH483 PEK → OVB Apr 30, 06:05 UTCMay 1, 03:45 UTC21h 40m
2026-04-30 CHH483 PEK → OVB Apr 30, 01:15 UTCMay 1, 00:00 UTC22h 45m
2026-04-29 CHH766 SVO → HAK Apr 29, 15:05 UTCApr 30, 14:00 UTC22h 55m
2026-04-29 CHH766 SVO → HAK Apr 29, 12:05 UTCApr 30, 09:05 UTC20h 59m
2026-04-29 CHH766 SVO → HAK Apr 29, 01:50 UTCApr 29, 15:30 UTC13h 41m
2026-04-27 CHH766 SVO → HAK Apr 27, 12:05 UTCApr 28, 06:40 UTC18h 35m
2026-04-27 CHH765 HAK → SVO Apr 27, 04:20 UTCApr 27, 04:30 UTC10m
2026-04-25 CHH7814 CAN → PEK Apr 25, 14:10 UTCApr 25, 14:20 UTC10m
2026-04-25 CHH7604 SHA → PEK Apr 25, 05:15 UTCApr 25, 05:25 UTC10m
2026-04-22 CHH7277 PEK → HGH Apr 22, 00:20 UTCApr 22, 00:35 UTC15m

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-8287 page for operator, model, and routing details .

Mode-S 780EF8 frequently asked

What is Mode-S code 780EF8?
780EF8 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-8287.
Where is Mode-S 780EF8 registered?
Mode-S code 780EF8 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780EF8 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780EF8, octal 36007370, decimal 7,868,152.
What flights does 780EF8 operate?
Mode-S 780EF8 has broadcast 20 distinct callsigns, including CHH483, CHH7966, CHH7965, CHH7705, CHH7702.