Apparatus

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sensors Mode-S transponder

78929C

ICAO 24-bit transponder address · allocated to China

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

Hex
78929C
Octal
36111234
Decimal
7,901,852
Country
CN
Tail
B-LHR
Type
A333
No current signal · last broadcast 4h ago
Flights observed
135
Distinct callsigns
12
Country
CN
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S 78929C.

Country allocation

The ICAO 24-bit address 78929C 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 12 distinct

Callsign Airline Flights Last seen
CRK609 Hong Kong Airlines 29 2026-05-28
CRK608 Hong Kong Airlines 24 2026-05-28
CRK018 Hong Kong Airlines 18 2026-05-29
CRK017 Hong Kong Airlines 12 2026-05-28
CRK081 Hong Kong Airlines 11 2026-05-27
CRK080 Hong Kong Airlines 11 2026-05-26
CRK036 Hong Kong Airlines 10 2026-05-23
CRK035 Hong Kong Airlines 8 2026-05-29
CRK641 Hong Kong Airlines 4 2026-05-03
CRK619 Hong Kong Airlines 4 2026-05-17
CRK640 Hong Kong Airlines 2 2026-05-03
CRK618 Hong Kong Airlines 2 2026-05-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 CRK035 HKG → MEL May 29, 15:45 UTCMay 29, 21:05 UTC5h 20m
2026-05-29 CRK018 SYD → HKG May 29, 10:35 UTCMay 29, 11:05 UTC30m
2026-05-29 CRK018 SYD → HKG May 29, 01:50 UTCMay 29, 09:40 UTC7h 50m
2026-05-28 CRK017 HKG → SYD May 28, 14:40 UTCMay 28, 23:35 UTC8h 55m
2026-05-28 CRK609 NRT → HKG May 28, 07:15 UTCMay 28, 11:10 UTC3h 55m
2026-05-28 CRK608 HKG → NRT May 28, 01:30 UTCMay 28, 05:30 UTC4h 0m
2026-05-27 CRK081 YVR → HKG May 27, 08:45 UTCMay 27, 22:10 UTC13h 25m
2026-05-26 CRK080 HKG → YVR May 26, 15:14 UTCMay 27, 03:14 UTC12h 0m
2026-05-26 CRK609 NRT → HKG May 26, 11:05 UTCMay 26, 11:24 UTC20m
2026-05-26 CRK609 NRT → HKG May 26, 07:29 UTCMay 26, 10:34 UTC3h 5m
2026-05-26 CRK608 HKG → NRT May 26, 02:15 UTCMay 26, 05:34 UTC3h 20m
2026-05-26 CRK608 HKG → NRT May 26, 01:30 UTCMay 26, 01:44 UTC15m
2026-05-25 CRK018 SYD → HKG May 25, 11:10 UTCMay 25, 11:35 UTC25m
2026-05-25 CRK018 SYD → HKG May 25, 01:55 UTCMay 25, 10:20 UTC8h 25m
2026-05-24 CRK017 HKG → SYD May 24, 14:25 UTCMay 24, 16:15 UTC1h 50m
2026-05-24 CRK018 SYD → HKG May 24, 01:30 UTCMay 24, 10:55 UTC9h 25m
2026-05-23 CRK017 HKG → SYD May 23, 14:30 UTCMay 23, 23:10 UTC8h 40m
2026-05-23 CRK036 MEL → HKG May 23, 02:50 UTCMay 23, 12:35 UTC9h 45m
2026-05-22 CRK035 HKG → MEL May 22, 15:20 UTCMay 22, 23:45 UTC8h 25m
2026-05-22 CRK609 NRT → HKG May 22, 07:50 UTCMay 22, 12:05 UTC4h 15m
2026-05-22 CRK608 HKG → NRT May 22, 01:50 UTCMay 22, 05:50 UTC4h 0m
2026-05-21 CRK081 YVR → HKG May 21, 08:45 UTCMay 21, 22:35 UTC13h 50m
2026-05-20 CRK080 HKG → YVR May 20, 15:10 UTCMay 21, 02:35 UTC11h 25m
2026-05-20 CRK609 NRT → HKG May 20, 11:15 UTCMay 20, 11:40 UTC25m
2026-05-20 CRK609 NRT → HKG May 20, 07:30 UTCMay 20, 10:45 UTC3h 15m
2026-05-20 CRK608 HKG → NRT May 20, 02:00 UTCMay 20, 06:00 UTC4h 1m
2026-05-19 CRK081 YVR → HKG May 19, 08:35 UTCMay 19, 22:25 UTC13h 50m
2026-05-18 CRK080 HKG → YVR May 18, 15:25 UTCMay 19, 03:15 UTC11h 49m
2026-05-18 CRK018 SYD → HKG May 18, 10:50 UTCMay 18, 11:10 UTC20m
2026-05-18 CRK018 SYD → HKG May 18, 01:30 UTCMay 18, 09:55 UTC8h 25m
2026-05-17 CRK017 HKG → SYD May 17, 14:30 UTCMay 17, 23:00 UTC8h 30m
2026-05-17 CRK619 KIX → HKG May 17, 11:15 UTCMay 17, 11:35 UTC20m
2026-05-17 CRK619 KIX → HKG May 17, 08:20 UTCMay 17, 10:40 UTC2h 20m
2026-05-17 CRK618 HKG → KIX May 17, 03:15 UTCMay 17, 06:40 UTC3h 25m
2026-05-16 CRK619 KIX → HKG May 16, 11:46 UTCMay 16, 12:05 UTC20m
2026-05-16 CRK619 KIX → HKG May 16, 08:46 UTCMay 16, 11:11 UTC2h 25m
2026-05-16 CRK618 HKG → KIX May 16, 03:15 UTCMay 16, 06:41 UTC3h 26m
2026-05-15 CRK081 YVR → HKG May 15, 08:30 UTCMay 15, 21:35 UTC13h 4m
2026-05-14 CRK080 HKG → YVR May 14, 15:20 UTCMay 15, 03:15 UTC11h 55m
2026-05-14 CRK609 NRT → HKG May 14, 07:35 UTCMay 14, 12:00 UTC4h 25m
2026-05-14 CRK608 HKG → NRT May 14, 01:45 UTCMay 14, 05:25 UTC3h 40m
2026-05-13 CRK081 YVR → HKG May 13, 08:35 UTCMay 13, 22:10 UTC13h 35m
2026-05-12 CRK080 HKG → YVR May 12, 15:20 UTCMay 13, 02:55 UTC11h 35m
2026-05-12 CRK609 NRT → HKG May 12, 07:20 UTCMay 12, 11:50 UTC4h 30m
2026-05-12 CRK608 HKG → NRT May 12, 02:45 UTCMay 12, 05:25 UTC2h 40m
2026-05-11 CRK081 YVR → HKG May 11, 08:45 UTCMay 11, 22:35 UTC13h 50m
2026-05-10 CRK080 HKG → YVR May 10, 15:09 UTCMay 11, 02:35 UTC11h 25m
2026-05-10 CRK609 NRT → HKG May 10, 06:59 UTCMay 10, 11:25 UTC4h 25m
2026-05-10 CRK608 HKG → NRT May 10, 01:34 UTCMay 10, 05:25 UTC3h 50m
2026-05-09 CRK081 YVR → HKG May 9, 08:40 UTCMay 9, 21:40 UTC13h 0m

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

Mode-S 78929C frequently asked

What is Mode-S code 78929C?
78929C is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-LHR.
Where is Mode-S 78929C registered?
Mode-S code 78929C is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 78929C broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 78929C, octal 36111234, decimal 7,901,852.
What flights does 78929C operate?
Mode-S 78929C has broadcast 12 distinct callsigns, including CRK609, CRK608, CRK018, CRK017, CRK081.