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sensors Mode-S transponder

78229D

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-32MU · AIRBUS A-330-900

Hex
78229D
Octal
36021235
Decimal
7,873,181
Country
CN
Tail
B-32MU
Type
A339
No current signal · last broadcast Jul 26, 20:00 UTC
Flights observed
132
Distinct callsigns
9
Country
CN
Last broadcast
Jul 26, 20:00 UTC

Last known position

Most recent position reported by Mode-S 78229D.

Country allocation

The ICAO 24-bit address 78229D 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 9 distinct

Callsign Airline Flights Last seen
CHH7382 Hainan Airlines 67 2026-07-26
CHH7281 Hainan Airlines 25 2026-07-24
CHH7677 Hainan Airlines 20 2026-07-24
CHH754 Hainan Airlines 6 2026-07-25
CHH753 Hainan Airlines 5 2026-07-26
CHH7678 - 4 2026-07-24
CHH7577 - 2 2026-07-16
CHH7267 - 2 2026-07-10
CHH7605 - 1 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CHH753 PEK → MAN Jul 26, 19:50 UTCJul 26, 20:00 UTC10m
2026-07-26 CHH7382 PEK → HAK Jul 26, 00:20 UTCJul 26, 00:40 UTC20m
2026-07-25 CHH754 MAN → PEK Jul 25, 20:25 UTCJul 25, 20:40 UTC15m
2026-07-25 CHH754 MAN → PEK Jul 25, 11:25 UTCJul 25, 17:55 UTC6h 30m
2026-07-24 CHH753 PEK → MAN Jul 24, 23:00 UTCJul 25, 05:50 UTC6h 50m
2026-07-24 CHH753 PEK → MAN Jul 24, 19:45 UTCJul 24, 19:55 UTC10m
2026-07-24 CHH7678 - Jul 24, 16:30 UTCJul 24, 16:45 UTC15m
2026-07-24 CHH7677 PEK → HGH Jul 24, 11:50 UTCJul 24, 12:15 UTC25m
2026-07-24 CHH7281 HAK → PEK Jul 24, 00:20 UTCJul 24, 09:55 UTC9h 35m
2026-07-23 CHH7382 PEK → HAK Jul 23, 00:25 UTCJul 23, 00:45 UTC20m
2026-07-22 CHH7677 PEK → HGH Jul 22, 14:10 UTCJul 22, 14:20 UTC10m
2026-07-22 CHH7382 PEK → HAK Jul 22, 00:20 UTCJul 22, 00:40 UTC20m
2026-07-21 CHH754 MAN → PEK Jul 21, 20:50 UTCJul 21, 21:05 UTC15m
2026-07-21 CHH754 MAN → PEK Jul 21, 11:30 UTCJul 21, 18:15 UTC6h 45m
2026-07-20 CHH753 - Jul 20, 20:10 UTCJul 21, 06:05 UTC9h 55m
2026-07-20 CHH7281 - Jul 20, 08:35 UTCJul 20, 08:50 UTC15m
2026-07-20 CHH7382 PEK → HAK Jul 20, 00:15 UTCJul 20, 00:40 UTC25m
2026-07-16 CHH7577 - Jul 16, 23:20 UTCJul 16, 23:35 UTC15m
2026-07-16 CHH7382 - Jul 16, 00:25 UTCJul 16, 00:50 UTC25m
2026-07-15 CHH754 - Jul 15, 21:05 UTCJul 15, 21:25 UTC20m
2026-07-15 CHH754 - Jul 15, 11:40 UTCJul 15, 18:40 UTC7h 0m
2026-07-14 CHH753 - Jul 14, 19:25 UTCJul 15, 05:35 UTC10h 9m
2026-07-14 CHH7382 - Jul 14, 00:45 UTCJul 14, 01:05 UTC20m
2026-07-13 CHH7677 - Jul 13, 10:20 UTCJul 13, 10:30 UTC10m
2026-07-13 CHH7382 - Jul 13, 00:20 UTCJul 13, 00:40 UTC20m
2026-07-12 CHH7605 - Jul 12, 10:25 UTCJul 12, 10:40 UTC15m
2026-07-12 CHH7382 - Jul 12, 00:20 UTCJul 12, 00:40 UTC20m
2026-07-11 CHH7281 - Jul 11, 08:30 UTCJul 11, 08:40 UTC10m
2026-07-11 CHH7382 - Jul 11, 00:25 UTCJul 11, 00:45 UTC20m
2026-07-10 CHH7267 - Jul 10, 10:50 UTCJul 10, 11:05 UTC15m
2026-07-10 CHH7382 - Jul 10, 00:20 UTCJul 10, 00:45 UTC25m
2026-07-09 CHH7281 - Jul 9, 08:20 UTCJul 9, 08:30 UTC10m
2026-07-09 CHH7382 - Jul 9, 00:15 UTCJul 9, 00:35 UTC20m
2026-07-08 CHH7281 - Jul 8, 08:25 UTCJul 8, 08:35 UTC10m
2026-07-08 CHH7382 - Jul 8, 00:30 UTCJul 8, 00:50 UTC20m
2026-07-07 CHH7677 - Jul 7, 13:00 UTCJul 7, 13:10 UTC10m
2026-07-07 CHH7382 - Jul 7, 00:15 UTCJul 7, 00:35 UTC20m
2026-07-06 CHH7677 - Jul 6, 10:55 UTCJul 6, 11:05 UTC10m
2026-07-06 CHH7382 - Jul 6, 00:25 UTCJul 6, 00:45 UTC20m
2026-07-05 CHH7281 - Jul 5, 09:00 UTCJul 5, 09:35 UTC35m
2026-07-05 CHH7382 - Jul 5, 00:35 UTCJul 5, 00:55 UTC20m
2026-07-04 CHH7678 - Jul 4, 17:30 UTCJul 4, 17:40 UTC10m
2026-07-04 CHH7281 - Jul 4, 08:15 UTCJul 4, 08:25 UTC10m
2026-07-04 CHH7382 - Jul 4, 00:20 UTCJul 4, 00:45 UTC25m
2026-07-03 CHH7281 - Jul 3, 08:35 UTCJul 3, 08:45 UTC10m
2026-07-03 CHH7382 - Jul 3, 00:20 UTCJul 3, 00:40 UTC20m
2026-07-02 CHH7281 - Jul 2, 09:00 UTCJul 2, 09:10 UTC10m
2026-07-02 CHH7382 - Jul 2, 00:55 UTCJul 2, 01:20 UTC25m
2026-07-01 CHH7677 - Jul 1, 10:20 UTCJul 1, 10:30 UTC10m
2026-07-01 CHH7382 - Jul 1, 00:20 UTCJul 1, 00:40 UTC20m

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

Mode-S 78229D frequently asked

What is Mode-S code 78229D?
78229D is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-32MU.
Where is Mode-S 78229D registered?
Mode-S code 78229D is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 78229D broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 78229D, octal 36021235, decimal 7,873,181.
What flights does 78229D operate?
Mode-S 78229D has broadcast 9 distinct callsigns, including CHH7382, CHH7281, CHH7677, CHH754, CHH753.