sensors Mode-S transponder

789277

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-KJD · BOEING 737-800

Hex
789277
Octal
36111167
Decimal
7,901,815
Country
CN
Tail
B-KJD
Type
B738
Broadcasting now · callsign HGB340 · 37,000 ft
Flights observed
12
Distinct callsigns
6
Country
CN
Last broadcast
14h ago

Current position

789277 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 789277 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 6 distinct

Callsign Airline Flights Last seen
HGB703 - 3 2026-04-13
HGB2347 - 3 2026-04-13
HGB2346 - 2 2026-04-13
HGB2282 - 2 2026-04-14
HGB702 - 1 2026-04-13
HGB2281 - 1 2026-04-14

Recent flights last 12

DateFlightRouteTakeoffLandingDuration
2026-04-14 HGB2282 - Apr 14, 10:55 UTCApr 14, 11:05 UTC10m
2026-04-14 HGB2282 - Apr 14, 08:50 UTCApr 14, 09:05 UTC15m
2026-04-14 HGB2281 - Apr 14, 07:20 UTCApr 14, 07:35 UTC15m
2026-04-13 HGB2347 - Apr 13, 15:10 UTCApr 13, 15:35 UTC25m
2026-04-13 HGB2347 - Apr 13, 14:00 UTCApr 13, 14:35 UTC35m
2026-04-13 HGB2347 - Apr 13, 12:00 UTCApr 13, 12:10 UTC10m
2026-04-13 HGB2346 - Apr 13, 07:55 UTCApr 13, 08:05 UTC10m
2026-04-13 HGB2346 - Apr 13, 06:50 UTCApr 13, 08:05 UTC1h 15m
2026-04-13 HGB703 - Apr 13, 04:40 UTCApr 13, 05:00 UTC20m
2026-04-13 HGB703 - Apr 13, 03:55 UTCApr 13, 04:10 UTC15m
2026-04-13 HGB703 - Apr 13, 03:40 UTCApr 13, 04:10 UTC30m
2026-04-13 HGB702 - Apr 13, 01:10 UTCApr 13, 02:25 UTC1h 15m

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

Mode-S 789277 frequently asked

What is Mode-S code 789277?
789277 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-KJD.
Where is Mode-S 789277 registered?
Mode-S code 789277 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 789277 broadcasting right now?
Yes. Mode-S 789277 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 789277, octal 36111167, decimal 7,901,815.
What flights does 789277 operate?
Mode-S 789277 has broadcast 6 distinct callsigns, including HGB703, HGB2347, HGB2346, HGB2282, HGB702.