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 4h ago
Flights observed
198
Distinct callsigns
20
Country
CN
Last broadcast
4h 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
HKE173 Hong Kong Express Airways 10 2026-05-26
HKE825 Hong Kong Express Airways 9 2026-06-06
HKE824 Hong Kong Express Airways 9 2026-06-06
HKE631 Hong Kong Express Airways 9 2026-06-03
HKE113 Hong Kong Express Airways 9 2026-05-29
HKE639 Hong Kong Express Airways 8 2026-06-01
HKE172 Hong Kong Express Airways 8 2026-05-26
HKE566 Hong Kong Express Airways 7 2026-05-18
HKE563 Hong Kong Express Airways 7 2026-05-18
HKE625 Hong Kong Express Airways 6 2026-05-08
HKE619 Hong Kong Express Airways 6 2026-06-11
HKE226 Hong Kong Express Airways 6 2026-06-03
HKE112 Hong Kong Express Airways 6 2026-05-29
HKE691 Hong Kong Express Airways 5 2026-06-09
HKE638 Hong Kong Express Airways 5 2026-06-01
HKE630 Hong Kong Express Airways 5 2026-06-03
HKE227 Hong Kong Express Airways 5 2026-06-04
HKE131 Hong Kong Express Airways 5 2026-05-29
HKE111 Hong Kong Express Airways 5 2026-06-07
HKE690 Hong Kong Express Airways 4 2026-06-09

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-11 HKE619 ICN → HKG Jun 11, 06:50 UTCJun 11, 07:05 UTC15m
2026-06-11 HKE619 ICN → HKG Jun 11, 03:50 UTCJun 11, 06:15 UTC2h 25m
2026-06-11 HKE618 HKG → ICN Jun 11, 00:15 UTCJun 11, 02:35 UTC2h 20m
2026-06-10 HKE618 HKG → ICN Jun 10, 23:30 UTCJun 10, 23:45 UTC15m
2026-06-10 HKE747 PEN → HKG Jun 10, 12:00 UTCJun 10, 12:05 UTC5m
2026-06-10 HKE747 PEN → HKG Jun 10, 08:35 UTCJun 10, 08:45 UTC10m
2026-06-10 HKE746 HKG → PEN Jun 10, 04:20 UTCJun 10, 04:35 UTC15m
2026-06-09 HKE691 NGO → HKG Jun 9, 11:40 UTCJun 9, 12:00 UTC20m
2026-06-09 HKE691 NGO → HKG Jun 9, 08:00 UTCJun 9, 11:00 UTC3h 0m
2026-06-09 HKE690 HKG → NGO Jun 9, 03:15 UTCJun 9, 06:20 UTC3h 5m
2026-06-08 HKE115 TPE → HKG Jun 8, 10:50 UTCJun 8, 11:05 UTC15m
2026-06-08 HKE115 TPE → HKG Jun 8, 09:45 UTCJun 8, 10:15 UTC30m
2026-06-08 HKE114 HKG → TPE Jun 8, 07:10 UTCJun 8, 08:40 UTC1h 30m
2026-06-08 HKE523 CRK → HKG Jun 8, 03:55 UTCJun 8, 04:25 UTC30m
2026-06-08 HKE523 CRK → HKG Jun 8, 02:35 UTCJun 8, 03:05 UTC30m
2026-06-08 HKE522 HKG → CRK Jun 8, 01:00 UTCJun 8, 01:25 UTC25m
2026-06-07 HKE522 HKG → CRK Jun 7, 23:55 UTCJun 8, 00:15 UTC20m
2026-06-07 HKE111 TPE → HKG Jun 7, 07:20 UTCJun 7, 07:55 UTC35m
2026-06-07 HKE111 TPE → HKG Jun 7, 06:15 UTCJun 7, 06:45 UTC30m
2026-06-07 HKE110 HKG → TPE Jun 7, 03:50 UTCJun 7, 05:15 UTC1h 25m
2026-06-06 HKE825 OKA → HKG Jun 6, 14:00 UTCJun 6, 14:14 UTC15m
2026-06-06 HKE824 HKG → OKA Jun 6, 08:40 UTCJun 6, 13:20 UTC4h 40m
2026-06-06 HKE553 DAD → HKG Jun 6, 07:15 UTCJun 6, 07:20 UTC5m
2026-06-06 HKE552 HKG → DAD Jun 6, 03:00 UTCJun 6, 03:05 UTC5m
2026-06-04 HKE227 NGB → HKG Jun 4, 03:10 UTCJun 4, 03:25 UTC15m
2026-06-03 HKE226 HKG → NGB Jun 3, 13:00 UTCJun 3, 13:15 UTC15m
2026-06-03 HKE226 HKG → NGB Jun 3, 12:10 UTCJun 3, 12:25 UTC15m
2026-06-03 HKE631 ICN → HKG Jun 3, 09:15 UTCJun 3, 09:30 UTC15m
2026-06-03 HKE631 ICN → HKG Jun 3, 06:25 UTCJun 3, 08:40 UTC2h 15m
2026-06-03 HKE630 HKG → ICN Jun 3, 01:55 UTCJun 3, 05:10 UTC3h 15m
2026-06-02 HKE559 DAD → HKG Jun 2, 12:25 UTCJun 2, 12:40 UTC15m
2026-06-02 HKE558 HKG → DAD Jun 2, 08:50 UTCJun 2, 09:05 UTC15m
2026-06-02 HKE619 ICN → HKG Jun 2, 07:00 UTCJun 2, 07:10 UTC10m
2026-06-02 HKE619 ICN → HKG Jun 2, 04:10 UTCJun 2, 06:25 UTC2h 15m
2026-06-01 HKE618 HKG → ICN Jun 1, 23:25 UTCJun 2, 02:40 UTC3h 15m
2026-06-01 HKE639 FUK → HKG Jun 1, 11:55 UTCJun 1, 12:15 UTC20m
2026-06-01 HKE639 FUK → HKG Jun 1, 10:40 UTCJun 1, 11:20 UTC40m
2026-06-01 HKE639 FUK → HKG Jun 1, 09:15 UTCJun 1, 09:25 UTC10m
2026-06-01 HKE638 HKG → FUK Jun 1, 04:45 UTCJun 1, 06:10 UTC1h 25m
2026-06-01 HKE227 NGB → HKG Jun 1, 03:10 UTCJun 1, 03:25 UTC15m
2026-05-31 HKE226 HKG → NGB May 31, 13:30 UTCMay 31, 13:55 UTC25m
2026-05-31 HKE691 NGO → HKG May 31, 08:25 UTCMay 31, 11:50 UTC3h 25m
2026-05-30 HKE111 TPE → HKG May 30, 05:45 UTCMay 30, 07:10 UTC1h 25m
2026-05-30 HKE110 HKG → TPE May 30, 03:15 UTCMay 30, 04:35 UTC1h 20m
2026-05-29 HKE113 TPE → HKG May 29, 07:30 UTCMay 29, 08:45 UTC1h 15m
2026-05-29 HKE112 HKG → TPE May 29, 04:50 UTCMay 29, 06:10 UTC1h 20m
2026-05-29 HKE131 KHH → HKG May 29, 02:15 UTCMay 29, 03:20 UTC1h 5m
2026-05-29 HKE130 HKG → KHH May 29, 00:15 UTCMay 29, 01:20 UTC1h 5m
2026-05-28 HKE703 BKK → HKG May 28, 15:25 UTCMay 28, 15:45 UTC20m
2026-05-28 HKE703 BKK → HKG May 28, 13:05 UTCMay 28, 13:45 UTC40m

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 4h 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 HKE173, HKE825, HKE824, HKE631, HKE113.