Apparatus

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sensors Mode-S transponder

78229C

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-32MT · AIRBUS A-321neo

Hex
78229C
Octal
36021234
Decimal
7,873,180
Country
CN
Tail
B-32MT
Type
A21N
No current signal · last broadcast Jul 26, 19:35 UTC
Flights observed
128
Distinct callsigns
19
Country
CN
Last broadcast
Jul 26, 19:35 UTC

Last known position

Most recent position reported by Mode-S 78229C.

Country allocation

The ICAO 24-bit address 78229C 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 19 distinct

Callsign Airline Flights Last seen
CHH7897 Hainan Airlines 45 2026-07-26
CHH7528 Hainan Airlines 17 2026-05-05
CHH7374 Hainan Airlines 17 2026-06-09
CHH7898 Hainan Airlines 15 2026-07-24
CHH7373 Hainan Airlines 5 2026-06-08
CHH7579 Hainan Airlines 4 2026-06-14
CHH7527 Hainan Airlines 3 2026-04-27
CHH7384 - 3 2026-06-16
CHH7209 Hainan Airlines 3 2026-05-02
CHH7303 Hainan Airlines 2 2026-06-15
CHH7280 Hainan Airlines 2 2026-05-04
CHH7120 - 2 2026-07-04
CHH7877 - 1 2026-07-06
CHH7386 Hainan Airlines 1 2026-05-14
CHH7310 Hainan Airlines 1 2026-05-03
CHH7210 Hainan Airlines 1 2026-05-17
CHH7088 Hainan Airlines 1 2026-06-15
CHH7080 Hainan Airlines 1 2026-04-25
CHH7079 Hainan Airlines 1 2026-04-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CHH7897 XIY → SYX Jul 26, 00:10 UTCJul 26, 19:35 UTC19h 26m
2026-07-25 CHH7897 XIY → SYX Jul 25, 00:40 UTCJul 25, 16:00 UTC15h 20m
2026-07-24 CHH7897 XIY → SYX Jul 24, 16:40 UTCJul 25, 00:45 UTC8h 5m
2026-07-24 CHH7898 SYX → XIY Jul 24, 00:35 UTCJul 24, 16:45 UTC16h 10m
2026-07-23 CHH7898 SYX → XIY Jul 23, 15:45 UTCJul 24, 00:45 UTC9h 0m
2026-07-23 CHH7897 XIY → SYX Jul 23, 00:20 UTCJul 23, 16:10 UTC15h 50m
2026-07-22 CHH7897 XIY → SYX Jul 22, 17:15 UTCJul 23, 16:10 UTC22h 55m
2026-07-22 CHH7898 SYX → XIY Jul 22, 00:35 UTCJul 22, 17:20 UTC16h 45m
2026-07-21 CHH7897 XIY → SYX Jul 21, 16:20 UTCJul 21, 16:40 UTC20m
2026-07-20 CHH7897 XIY → SYX Jul 20, 15:55 UTCJul 20, 16:15 UTC20m
2026-07-19 - - Jul 19, 00:15 UTCJul 19, 15:55 UTC15h 40m
2026-07-18 CHH7897 - Jul 18, 15:50 UTCJul 19, 00:20 UTC8h 30m
2026-07-14 CHH7897 - Jul 14, 15:50 UTCJul 14, 16:10 UTC20m
2026-07-11 - - Jul 11, 16:50 UTCJul 12, 00:15 UTC7h 25m
2026-07-11 - - Jul 11, 00:20 UTCJul 11, 16:55 UTC16h 35m
2026-07-10 CHH7897 - Jul 10, 17:05 UTCJul 11, 16:55 UTC23h 50m
2026-07-10 CHH7897 - Jul 10, 16:45 UTCJul 11, 00:30 UTC7h 46m
2026-07-08 CHH7897 - Jul 8, 00:50 UTCJul 8, 16:55 UTC16h 5m
2026-07-07 CHH7897 - Jul 7, 15:35 UTCJul 7, 16:00 UTC25m
2026-07-06 CHH7877 - Jul 6, 00:55 UTCJul 6, 09:10 UTC8h 15m
2026-07-04 CHH7120 - Jul 4, 15:25 UTCJul 5, 10:45 UTC19h 20m
2026-07-03 CHH7898 - Jul 3, 00:10 UTCJul 3, 00:20 UTC10m
2026-07-01 CHH7898 - Jul 1, 23:55 UTCJul 2, 16:10 UTC16h 15m
2026-07-01 CHH7898 - Jul 1, 15:30 UTCJul 2, 00:25 UTC8h 55m
2026-07-01 CHH7898 - Jul 1, 00:10 UTCJul 1, 15:55 UTC15h 45m
2026-06-30 CHH7897 - Jun 30, 00:20 UTCJun 30, 16:15 UTC15h 56m
2026-06-29 CHH7897 - Jun 29, 00:14 UTCJun 29, 16:44 UTC16h 30m
2026-06-28 CHH7897 - Jun 28, 15:29 UTCJun 29, 00:24 UTC8h 55m
2026-06-28 CHH7898 - Jun 28, 00:04 UTCJun 28, 15:44 UTC15h 40m
2026-06-27 CHH7897 XIY → SYX Jun 27, 15:30 UTCJun 28, 00:39 UTC9h 10m
2026-06-27 CHH7897 XIY → SYX Jun 27, 00:20 UTCJun 27, 15:55 UTC15h 35m
2026-06-26 CHH7897 XIY → SYX Jun 26, 15:34 UTCJun 27, 00:39 UTC9h 5m
2026-06-26 CHH7897 XIY → SYX Jun 26, 00:30 UTCJun 26, 16:05 UTC15h 35m
2026-06-24 CHH7898 SYX → XIY Jun 24, 23:59 UTCJun 25, 16:50 UTC16h 50m
2026-06-24 CHH7898 SYX → XIY Jun 24, 15:29 UTCJun 25, 00:44 UTC9h 15m
2026-06-23 CHH7898 SYX → XIY Jun 23, 23:55 UTCJun 24, 15:54 UTC16h 0m
2026-06-23 CHH7898 SYX → XIY Jun 23, 15:30 UTCJun 24, 00:30 UTC9h 0m
2026-06-23 CHH7897 XIY → SYX Jun 23, 00:19 UTCJun 23, 15:59 UTC15h 40m
2026-06-22 CHH7897 XIY → SYX Jun 22, 15:40 UTCJun 23, 00:35 UTC8h 55m
2026-06-21 CHH7897 XIY → SYX Jun 21, 23:55 UTCJun 22, 15:59 UTC16h 5m
2026-06-21 CHH7897 XIY → SYX Jun 21, 15:30 UTCJun 22, 00:24 UTC8h 55m
2026-06-21 CHH7897 XIY → SYX Jun 21, 00:04 UTCJun 21, 15:59 UTC15h 55m
2026-06-20 CHH7897 XIY → SYX Jun 20, 15:19 UTCJun 21, 00:29 UTC9h 10m
2026-06-20 CHH7897 XIY → SYX Jun 20, 00:09 UTCJun 20, 15:49 UTC15h 40m
2026-06-19 CHH7898 SYX → XIY Jun 19, 00:10 UTCJun 19, 15:49 UTC15h 40m
2026-06-18 CHH7897 XIY → SYX Jun 18, 00:05 UTCJun 18, 16:20 UTC16h 15m
2026-06-17 CHH7897 XIY → SYX Jun 17, 00:25 UTCJun 17, 16:05 UTC15h 40m
2026-06-16 CHH7384 - Jun 16, 05:40 UTCJun 17, 00:40 UTC19h 1m
2026-06-16 CHH7384 - Jun 16, 01:55 UTCJun 17, 00:40 UTC22h 46m
2026-06-15 CHH7088 TFU → HAK Jun 15, 05:50 UTCJun 15, 06:20 UTC30m

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-32MT page for operator, model, and routing details .

Mode-S 78229C frequently asked

What is Mode-S code 78229C?
78229C is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-32MT.
Where is Mode-S 78229C registered?
Mode-S code 78229C is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 78229C broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 78229C, octal 36021234, decimal 7,873,180.
What flights does 78229C operate?
Mode-S 78229C has broadcast 19 distinct callsigns, including CHH7897, CHH7528, CHH7374, CHH7898, CHH7373.