Apparatus

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sensors Mode-S transponder

789299

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-KWB · BOEING 737 MAX 9

Hex
789299
Octal
36111231
Decimal
7,901,849
Country
CN
Tail
B-KWB
Type
B39M
Broadcasting now · callsign HGB880 · 2,700 ft
Flights observed
208
Distinct callsigns
18
Country
CN
Last broadcast
1h ago

Current position

789299 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 789299 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 18 distinct

Callsign Airline Flights Last seen
HGB880 Greater Bay Airlines 40 2026-05-30
HGB881 Greater Bay Airlines 38 2026-05-27
HGB321 Greater Bay Airlines 32 2026-05-29
HGB320 Greater Bay Airlines 21 2026-05-29
HGB296 Greater Bay Airlines 19 2026-04-29
HGB295 Greater Bay Airlines 18 2026-04-29
HGB711 Greater Bay Airlines 14 2026-05-25
HGB710 Greater Bay Airlines 10 2026-05-25
HGB322 Greater Bay Airlines 4 2026-05-06
HGB703 Greater Bay Airlines 2 2026-04-25
HGB2298 Greater Bay Airlines 2 2026-04-13
HGB2297 - 2 2026-04-13
HGB921 Greater Bay Airlines 1 2026-04-25
HGB920 Greater Bay Airlines 1 2026-04-25
HGB8953 - 1 2026-05-18
HGB8952 - 1 2026-05-18
HGB702 Greater Bay Airlines 1 2026-04-25
HGB323 Greater Bay Airlines 1 2026-05-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 HGB880 HKG → CTS May 30, 01:30 UTCMay 30, 04:15 UTC2h 45m
2026-05-29 HGB321 NRT → HKG May 29, 07:15 UTCMay 29, 11:25 UTC4h 10m
2026-05-29 HGB320 HKG → NRT May 29, 01:40 UTCMay 29, 05:35 UTC3h 55m
2026-05-28 HGB321 NRT → HKG May 28, 07:15 UTCMay 28, 11:20 UTC4h 5m
2026-05-28 HGB320 HKG → NRT May 28, 01:25 UTCMay 28, 05:30 UTC4h 5m
2026-05-27 HGB881 CTS → HKG May 27, 07:55 UTCMay 27, 12:30 UTC4h 35m
2026-05-27 HGB880 HKG → CTS May 27, 01:44 UTCMay 27, 06:34 UTC4h 50m
2026-05-26 HGB881 CTS → HKG May 26, 12:05 UTCMay 26, 12:20 UTC15m
2026-05-26 HGB881 CTS → HKG May 26, 07:34 UTCMay 26, 11:34 UTC4h 0m
2026-05-26 HGB880 HKG → CTS May 26, 02:29 UTCMay 26, 06:20 UTC3h 50m
2026-05-26 HGB880 HKG → CTS May 26, 01:34 UTCMay 26, 01:49 UTC15m
2026-05-25 HGB711 TPE → HKG May 25, 20:09 UTCMay 25, 20:30 UTC20m
2026-05-25 HGB711 TPE → HKG May 25, 19:05 UTCMay 25, 19:35 UTC30m
2026-05-25 HGB710 HKG → TPE May 25, 15:50 UTCMay 25, 17:10 UTC1h 20m
2026-05-25 HGB321 NRT → HKG May 25, 11:45 UTCMay 25, 12:05 UTC20m
2026-05-25 HGB321 NRT → HKG May 25, 08:05 UTCMay 25, 11:15 UTC3h 10m
2026-05-25 HGB320 HKG → NRT May 25, 02:25 UTCMay 25, 06:40 UTC4h 15m
2026-05-24 HGB881 CTS → HKG May 24, 07:50 UTCMay 24, 12:30 UTC4h 40m
2026-05-24 HGB880 HKG → CTS May 24, 02:05 UTCMay 24, 06:30 UTC4h 25m
2026-05-23 HGB881 CTS → HKG May 23, 07:30 UTCMay 23, 12:25 UTC4h 55m
2026-05-23 HGB880 HKG → CTS May 23, 02:15 UTCMay 23, 05:55 UTC3h 39m
2026-05-23 HGB880 HKG → CTS May 23, 01:25 UTCMay 23, 01:40 UTC15m
2026-05-22 HGB711 TPE → HKG May 22, 20:00 UTCMay 22, 20:10 UTC10m
2026-05-22 HGB711 TPE → HKG May 22, 18:50 UTCMay 22, 19:20 UTC30m
2026-05-22 HGB710 HKG → TPE May 22, 15:45 UTCMay 22, 17:05 UTC1h 20m
2026-05-22 HGB881 CTS → HKG May 22, 12:20 UTCMay 22, 12:45 UTC25m
2026-05-22 HGB881 CTS → HKG May 22, 07:50 UTCMay 22, 11:40 UTC3h 50m
2026-05-22 HGB880 HKG → CTS May 22, 02:50 UTCMay 22, 06:35 UTC3h 45m
2026-05-22 HGB880 HKG → CTS May 22, 02:00 UTCMay 22, 02:15 UTC15m
2026-05-21 HGB321 NRT → HKG May 21, 11:15 UTCMay 21, 11:35 UTC20m
2026-05-21 HGB321 NRT → HKG May 21, 07:15 UTCMay 21, 10:45 UTC3h 30m
2026-05-21 HGB320 HKG → NRT May 21, 01:35 UTCMay 21, 05:20 UTC3h 45m
2026-05-20 HGB321 NRT → HKG May 20, 07:10 UTCMay 20, 11:25 UTC4h 15m
2026-05-20 HGB320 HKG → NRT May 20, 01:30 UTCMay 20, 05:30 UTC4h 1m
2026-05-19 HGB881 CTS → HKG May 19, 12:05 UTCMay 19, 12:25 UTC20m
2026-05-19 HGB881 CTS → HKG May 19, 07:40 UTCMay 19, 11:30 UTC3h 50m
2026-05-19 HGB880 HKG → CTS May 19, 02:30 UTCMay 19, 06:15 UTC3h 45m
2026-05-19 HGB880 HKG → CTS May 19, 01:40 UTCMay 19, 01:55 UTC15m
2026-05-18 HGB711 TPE → HKG May 18, 20:05 UTCMay 18, 20:25 UTC20m
2026-05-18 HGB711 TPE → HKG May 18, 19:05 UTCMay 18, 19:35 UTC30m
2026-05-18 HGB710 HKG → TPE May 18, 15:50 UTCMay 18, 17:15 UTC1h 25m
2026-05-18 HGB8953 - May 18, 10:55 UTCMay 18, 11:20 UTC25m
2026-05-18 HGB8952 - May 18, 01:35 UTCMay 18, 01:55 UTC20m
2026-05-17 HGB881 CTS → HKG May 17, 12:01 UTCMay 17, 12:20 UTC20m
2026-05-17 HGB881 CTS → HKG May 17, 07:50 UTCMay 17, 11:25 UTC3h 35m
2026-05-17 HGB880 HKG → CTS May 17, 02:45 UTCMay 17, 06:40 UTC3h 55m
2026-05-17 HGB880 HKG → CTS May 17, 01:55 UTCMay 17, 02:10 UTC15m
2026-05-16 HGB321 NRT → HKG May 16, 10:50 UTCMay 16, 11:05 UTC15m
2026-05-16 HGB321 NRT → HKG May 16, 07:11 UTCMay 16, 10:11 UTC3h 0m
2026-05-16 HGB320 HKG → NRT May 16, 01:20 UTCMay 16, 05:20 UTC4h 0m

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

Mode-S 789299 frequently asked

What is Mode-S code 789299?
789299 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-KWB.
Where is Mode-S 789299 registered?
Mode-S code 789299 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 789299 broadcasting right now?
Yes. Mode-S 789299 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 789299, octal 36111231, decimal 7,901,849.
What flights does 789299 operate?
Mode-S 789299 has broadcast 18 distinct callsigns, including HGB880, HGB881, HGB321, HGB320, HGB296.