Apparatus

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sensors Mode-S transponder

78232F

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-227X · BOEING 777-200LR

Hex
78232F
Octal
36021457
Decimal
7,873,327
Country
CN
Tail
B-227X
Type
B77L
No current signal · last broadcast Jul 26, 19:50 UTC
Flights observed
265
Distinct callsigns
16
Country
CN
Last broadcast
Jul 26, 19:50 UTC

Last known position

Most recent position reported by Mode-S 78232F.

Country allocation

The ICAO 24-bit address 78232F 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 16 distinct

Callsign Airline Flights Last seen
YZR7905 - 63 2026-07-17
YZR7919 - 56 2026-07-22
YZR7931 - 31 2026-07-26
YZR7927 - 20 2026-07-22
YZR7922 - 19 2026-07-21
YZR7906 - 15 2026-07-19
YZR7935 - 14 2026-07-25
YZR7920 - 14 2026-07-20
YZR7936 - 9 2026-07-18
YZR7932 - 6 2026-07-02
YZR7930 - 5 2026-07-15
YZR7929 Yangtze River Express 4 2026-04-20
YZR7413 Yangtze River Express 3 2026-07-19
YZR7939 - 2 2026-07-23
YZR7908 - 2 2026-06-27
YZR7411 - 2 2026-06-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 YZR7931 OSL → AMS Jul 26, 18:10 UTCJul 26, 19:40 UTC1h 30m
2026-07-25 YZR7931 - Jul 25, 21:50 UTCJul 26, 16:15 UTC18h 26m
2026-07-25 YZR7931 - Jul 25, 17:50 UTCJul 26, 16:15 UTC22h 26m
2026-07-25 YZR7931 - Jul 25, 16:00 UTCJul 26, 15:45 UTC23h 46m
2026-07-25 YZR7935 - Jul 25, 03:00 UTCJul 25, 12:40 UTC9h 40m
2026-07-23 YZR7939 - Jul 23, 18:35 UTCJul 23, 23:45 UTC5h 10m
2026-07-23 YZR7939 - Jul 23, 15:30 UTCJul 23, 17:00 UTC1h 30m
2026-07-22 YZR7919 - Jul 22, 18:00 UTCJul 23, 12:40 UTC18h 40m
2026-07-22 YZR7927 - Jul 22, 14:45 UTCJul 22, 15:15 UTC30m
2026-07-21 YZR7922 - Jul 21, 16:50 UTCJul 22, 13:30 UTC20h 40m
2026-07-20 YZR7919 - Jul 20, 14:10 UTCJul 21, 08:20 UTC18h 10m
2026-07-20 YZR7920 - Jul 20, 11:50 UTCJul 21, 08:20 UTC20h 29m
2026-07-20 YZR7920 - Jul 20, 10:35 UTCJul 21, 08:20 UTC21h 45m
2026-07-19 YZR7413 AMS → AMS Jul 19, 23:35 UTCJul 20, 05:55 UTC6h 20m
2026-07-19 YZR7906 - Jul 19, 00:55 UTCJul 19, 23:45 UTC22h 50m
2026-07-18 YZR7906 - Jul 18, 19:15 UTCJul 19, 01:10 UTC5h 55m
2026-07-18 YZR7935 - Jul 18, 06:30 UTCJul 18, 16:05 UTC9h 35m
2026-07-18 YZR7936 - Jul 18, 02:14 UTCJul 18, 02:25 UTC10m
2026-07-17 YZR7936 - Jul 17, 17:20 UTCJul 17, 23:30 UTC6h 10m
2026-07-17 YZR7905 - Jul 17, 07:35 UTCJul 17, 14:00 UTC6h 25m
2026-07-16 YZR7905 - Jul 16, 15:49 UTCJul 17, 14:00 UTC22h 10m
2026-07-16 YZR7905 - Jul 16, 14:50 UTCJul 17, 13:45 UTC22h 55m
2026-07-15 YZR7919 - Jul 15, 17:50 UTCJul 16, 10:55 UTC17h 5m
2026-07-15 YZR7930 - Jul 15, 16:20 UTCJul 15, 16:30 UTC10m
2026-07-15 YZR7927 - Jul 15, 13:50 UTCJul 15, 14:10 UTC20m
2026-07-14 YZR7922 - Jul 14, 17:50 UTCJul 15, 12:50 UTC18h 59m
2026-07-14 YZR7922 - Jul 14, 17:05 UTCJul 15, 12:50 UTC19h 44m
2026-07-13 YZR7919 - Jul 13, 17:50 UTCJul 14, 12:45 UTC18h 55m
2026-07-13 YZR7919 - Jul 13, 13:50 UTCJul 14, 12:45 UTC22h 55m
2026-07-13 YZR7920 - Jul 13, 11:55 UTCJul 14, 11:45 UTC23h 50m
2026-07-13 YZR7931 - Jul 13, 06:10 UTCJul 13, 06:15 UTC5m
2026-07-12 YZR7931 - Jul 12, 23:50 UTCJul 13, 03:30 UTC3h 40m
2026-07-12 YZR7931 - Jul 12, 01:50 UTCJul 13, 00:30 UTC22h 40m
2026-07-11 YZR7906 - Jul 11, 19:40 UTCJul 12, 01:50 UTC6h 10m
2026-07-11 YZR7935 - Jul 11, 07:30 UTCJul 11, 16:50 UTC9h 20m
2026-07-11 YZR7936 - Jul 11, 01:55 UTCJul 11, 02:05 UTC10m
2026-07-10 YZR7936 - Jul 10, 17:05 UTCJul 10, 23:05 UTC6h 0m
2026-07-10 YZR7905 - Jul 10, 06:50 UTCJul 10, 13:25 UTC6h 35m
2026-07-09 YZR7905 - Jul 9, 15:50 UTCJul 10, 13:25 UTC21h 35m
2026-07-09 YZR7905 - Jul 9, 14:10 UTCJul 10, 13:25 UTC23h 15m
2026-07-08 YZR7919 - Jul 8, 13:10 UTCJul 9, 09:00 UTC19h 50m
2026-07-08 YZR7927 - Jul 8, 09:00 UTCJul 8, 09:35 UTC35m
2026-07-07 YZR7922 - Jul 7, 12:15 UTCJul 8, 07:45 UTC19h 30m
2026-07-06 YZR7919 - Jul 6, 13:15 UTCJul 7, 07:40 UTC18h 25m
2026-07-06 YZR7919 - Jul 6, 09:50 UTCJul 7, 07:40 UTC21h 50m
2026-07-06 YZR7920 - Jul 6, 07:55 UTCJul 7, 07:40 UTC23h 45m
2026-07-05 YZR7931 - Jul 5, 01:50 UTCJul 5, 21:20 UTC19h 30m
2026-07-05 YZR7931 - Jul 5, 01:40 UTCJul 5, 21:20 UTC19h 40m
2026-07-04 YZR7931 - Jul 4, 21:50 UTCJul 5, 21:20 UTC23h 30m
2026-07-04 YZR7906 - Jul 4, 20:00 UTCJul 5, 19:45 UTC23h 45m

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-227X page for operator, model, and routing details .

Mode-S 78232F frequently asked

What is Mode-S code 78232F?
78232F is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-227X.
Where is Mode-S 78232F registered?
Mode-S code 78232F is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 78232F broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 78232F, octal 36021457, decimal 7,873,327.
What flights does 78232F operate?
Mode-S 78232F has broadcast 16 distinct callsigns, including YZR7905, YZR7919, YZR7931, YZR7927, YZR7922.