Apparatus

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sensors Mode-S transponder

789205

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-LEG · AIRBUS A-321

Hex
789205
Octal
36111005
Decimal
7,901,701
Country
CN
Tail
B-LEG
Type
A321
No current signal · last broadcast 48m ago
Flights observed
408
Distinct callsigns
20
Country
CN
Last broadcast
48m ago

Last known position

Most recent position reported by Mode-S 789205.

Country allocation

The ICAO 24-bit address 789205 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
HKE825 Hong Kong Express Airways 14 2026-07-22
HKE824 - 14 2026-07-17
HKE639 - 14 2026-07-07
HKE173 - 14 2026-07-02
HKE172 Hong Kong Express Airways 14 2026-07-22
HKE113 - 13 2026-07-15
HKE638 - 12 2026-07-07
HKE566 Hong Kong Express Airways 12 2026-07-17
HKE563 - 12 2026-07-17
HKE631 - 11 2026-07-06
HKE112 - 11 2026-07-15
HKE691 Hong Kong Express Airways 10 2026-07-26
HKE625 Hong Kong Express Airways 10 2026-07-21
HKE115 Hong Kong Express Airways 10 2026-07-24
HKE226 - 9 2026-07-14
HKE114 Hong Kong Express Airways 9 2026-07-24
HKE111 Hong Kong Express Airways 9 2026-07-25
HKE689 - 8 2026-07-19
HKE630 - 8 2026-07-06
HKE619 Hong Kong Express Airways 8 2026-07-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 HKE691 NGO → HKG Jul 26, 11:00 UTCJul 26, 13:15 UTC2h 15m
2026-07-26 HKE690 HKG → NGO Jul 26, 05:25 UTCJul 26, 09:00 UTC3h 36m
2026-07-25 HKE135 KHH → HKG Jul 25, 14:20 UTCJul 25, 15:30 UTC1h 10m
2026-07-25 HKE134 HKG → KHH Jul 25, 11:40 UTCJul 25, 12:40 UTC1h 0m
2026-07-25 HKE111 TPE → HKG Jul 25, 06:20 UTCJul 25, 07:30 UTC1h 10m
2026-07-25 HKE110 HKG → TPE Jul 25, 03:30 UTCJul 25, 05:15 UTC1h 45m
2026-07-24 HKE115 TPE → HKG Jul 24, 09:50 UTCJul 24, 11:05 UTC1h 15m
2026-07-24 HKE114 HKG → TPE Jul 24, 07:20 UTCJul 24, 08:45 UTC1h 25m
2026-07-24 HKE131 KHH → HKG Jul 24, 02:20 UTCJul 24, 03:25 UTC1h 5m
2026-07-24 HKE130 HKG → KHH Jul 24, 00:20 UTCJul 24, 01:25 UTC1h 5m
2026-07-23 HKE701 BKK → HKG Jul 23, 13:10 UTCJul 23, 13:15 UTC5m
2026-07-23 HKE701 BKK → HKG Jul 23, 10:55 UTCJul 23, 12:30 UTC1h 35m
2026-07-23 HKE700 HKG → BKK Jul 23, 06:45 UTCJul 23, 09:10 UTC2h 25m
2026-07-23 HKE700 HKG → BKK Jul 23, 05:55 UTCJul 23, 06:10 UTC15m
2026-07-23 HKE541 HAN → HKG Jul 23, 04:00 UTCJul 23, 04:40 UTC40m
2026-07-23 HKE541 HAN → HKG Jul 23, 02:55 UTCJul 23, 03:05 UTC10m
2026-07-23 HKE540 HKG → HAN Jul 23, 00:05 UTCJul 23, 00:15 UTC10m
2026-07-22 HKE825 OKA → HKG Jul 22, 12:15 UTCJul 22, 13:35 UTC1h 20m
2026-07-22 HKE172 HKG → RMQ Jul 22, 03:15 UTCJul 22, 04:30 UTC1h 15m
2026-07-21 HKE625 HND → HKG Jul 21, 21:45 UTCJul 22, 01:40 UTC3h 55m
2026-07-21 HKE624 HKG → HND Jul 21, 15:40 UTCJul 21, 19:25 UTC3h 45m
2026-07-21 HKE559 DAD → HKG Jul 21, 12:45 UTCJul 21, 13:05 UTC20m
2026-07-21 HKE558 HKG → DAD Jul 21, 08:55 UTCJul 21, 09:10 UTC15m
2026-07-21 HKE619 ICN → HKG Jul 21, 04:15 UTCJul 21, 07:15 UTC3h 0m
2026-07-20 HKE618 HKG → ICN Jul 20, 23:30 UTCJul 21, 02:45 UTC3h 14m
2026-07-20 HKE183 RMQ → HKG Jul 20, 12:45 UTCJul 20, 13:50 UTC1h 5m
2026-07-20 HKE182 HKG → RMQ Jul 20, 10:25 UTCJul 20, 11:40 UTC1h 15m
2026-07-20 HKE851 KIX → HKG Jul 20, 05:40 UTCJul 20, 09:00 UTC3h 20m
2026-07-20 HKE810 HKG → KIX Jul 20, 00:50 UTCJul 20, 04:25 UTC3h 35m
2026-07-19 HKE689 KIX → HKG Jul 19, 12:00 UTCJul 19, 15:25 UTC3h 25m
2026-07-19 HKE688 HKG → KIX Jul 19, 07:05 UTCJul 19, 10:35 UTC3h 30m
2026-07-18 HKE115 - Jul 18, 09:45 UTCJul 18, 11:00 UTC1h 15m
2026-07-18 HKE114 HKG → TPE Jul 18, 07:05 UTCJul 18, 08:30 UTC1h 25m
2026-07-18 HKE553 - Jul 18, 04:55 UTCJul 18, 05:15 UTC20m
2026-07-18 HKE552 HKG → DAD Jul 18, 01:15 UTCJul 18, 01:30 UTC15m
2026-07-17 HKE825 - Jul 17, 12:45 UTCJul 17, 14:04 UTC1h 20m
2026-07-17 HKE824 - Jul 17, 08:54 UTCJul 17, 10:10 UTC1h 15m
2026-07-17 HKE563 - Jul 17, 07:14 UTCJul 17, 07:35 UTC20m
2026-07-17 HKE566 HKG → DAD Jul 17, 03:25 UTCJul 17, 03:39 UTC15m
2026-07-16 HKE597 - Jul 16, 14:55 UTCJul 16, 15:25 UTC30m
2026-07-16 HKE596 - Jul 16, 08:55 UTCJul 16, 09:20 UTC25m
2026-07-16 HKE619 - Jul 16, 04:10 UTCJul 16, 07:20 UTC3h 10m
2026-07-15 HKE618 HKG → ICN Jul 15, 23:30 UTCJul 16, 02:50 UTC3h 20m
2026-07-15 HKE183 - Jul 15, 14:15 UTCJul 15, 15:25 UTC1h 10m
2026-07-15 HKE182 - Jul 15, 12:10 UTCJul 15, 13:20 UTC1h 10m
2026-07-15 HKE113 - Jul 15, 09:20 UTCJul 15, 09:40 UTC20m
2026-07-15 HKE113 - Jul 15, 08:00 UTCJul 15, 08:40 UTC40m
2026-07-15 HKE112 - Jul 15, 06:05 UTCJul 15, 07:05 UTC1h 0m
2026-07-15 HKE112 - Jul 15, 05:30 UTCJul 15, 05:35 UTC5m
2026-07-15 HKE227 - Jul 15, 02:40 UTCJul 15, 03:30 UTC50m

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

Mode-S 789205 frequently asked

What is Mode-S code 789205?
789205 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-LEG.
Where is Mode-S 789205 registered?
Mode-S code 789205 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 789205 broadcasting right now?
No active broadcast right now. Last signal was 48m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 789205, octal 36111005, decimal 7,901,701.
What flights does 789205 operate?
Mode-S 789205 has broadcast 20 distinct callsigns, including HKE825, HKE824, HKE639, HKE173, HKE172.