Apparatus

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sensors Mode-S transponder

78106A

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-7089 · BOEING 737-800

Hex
78106A
Octal
36010152
Decimal
7,868,522
Country
CN
Tail
B-7089
Type
B738
No current signal · last broadcast Jul 26, 14:05 UTC
Flights observed
59
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 14:05 UTC

Last known position

Most recent position reported by Mode-S 78106A.

Country allocation

The ICAO 24-bit address 78106A 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
KNA8286 - 10 2026-07-21
KNA3051 - 6 2026-07-15
KNA8369 - 5 2026-07-17
KNA8272 Knight Air 5 2026-07-20
KNA8370 - 4 2026-07-17
KNA8278 Knight Air 4 2026-07-25
KNA8271 - 4 2026-07-20
KNA8242 - 3 2026-06-27
KNA8285 Knight Air 2 2026-06-12
KNA8274 - 2 2026-07-01
KNA8270 Knight Air 2 2026-04-26
KNA8269 Knight Air 2 2026-04-26
KNA8282 - 1 2026-06-16
KNA8280 Knight Air 1 2026-05-10
KNA8277 - 1 2026-07-20
KNA8273 - 1 2026-07-01
KNA8245 Knight Air 1 2026-05-03
KNA8221 Knight Air 1 2026-07-26
KNA8215 - 1 2026-07-19
KNA8214 - 1 2026-07-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 KNA8221 KMG → NKG Jul 26, 11:30 UTCJul 26, 14:05 UTC2h 35m
2026-07-25 KNA8278 WUH → KMG Jul 25, 02:55 UTCJul 25, 03:05 UTC10m
2026-07-21 KNA8286 - Jul 21, 15:25 UTCJul 21, 15:35 UTC10m
2026-07-20 KNA8272 SZX → KMG Jul 20, 23:20 UTCJul 20, 23:30 UTC10m
2026-07-20 KNA8271 - Jul 20, 17:50 UTCJul 20, 18:00 UTC10m
2026-07-20 KNA8214 - Jul 20, 11:05 UTCJul 20, 11:45 UTC40m
2026-07-20 KNA8278 - Jul 20, 02:35 UTCJul 20, 02:50 UTC15m
2026-07-20 KNA8277 - Jul 20, 01:00 UTCJul 20, 01:10 UTC10m
2026-07-19 KNA8215 - Jul 19, 10:45 UTCJul 19, 11:00 UTC15m
2026-07-17 KNA8370 - Jul 17, 13:50 UTCJul 17, 14:10 UTC20m
2026-07-17 KNA8369 - Jul 17, 11:35 UTCJul 17, 12:10 UTC35m
2026-07-15 KNA3051 - Jul 15, 14:45 UTCJul 15, 15:00 UTC15m
2026-07-13 KNA3051 - Jul 13, 14:45 UTCJul 13, 15:00 UTC15m
2026-07-12 KNA3051 - Jul 12, 14:30 UTCJul 12, 14:45 UTC15m
2026-07-11 KNA3051 - Jul 11, 14:35 UTCJul 12, 14:30 UTC23h 55m
2026-07-10 KNA3051 - Jul 10, 14:45 UTCJul 10, 15:00 UTC15m
2026-07-09 KNA3051 - Jul 9, 14:40 UTCJul 9, 14:50 UTC10m
2026-07-01 KNA8274 - Jul 1, 06:30 UTCJul 1, 06:50 UTC20m
2026-07-01 KNA8274 - Jul 1, 05:40 UTCJul 1, 05:55 UTC15m
2026-07-01 KNA8273 - Jul 1, 03:45 UTCJul 1, 03:55 UTC10m
2026-06-30 KNA8278 - Jun 30, 03:40 UTCJun 30, 03:50 UTC10m
2026-06-27 KNA8242 - Jun 27, 07:55 UTCJun 27, 08:10 UTC15m
2026-06-25 KNA8242 - Jun 25, 08:09 UTCJun 25, 08:20 UTC10m
2026-06-24 KNA8286 - Jun 24, 15:00 UTCJun 24, 16:09 UTC1h 10m
2026-06-23 KNA8272 - Jun 23, 23:50 UTCJun 24, 00:15 UTC25m
2026-06-23 KNA8272 - Jun 23, 23:10 UTCJun 23, 23:19 UTC10m
2026-06-17 KNA8286 - Jun 17, 18:35 UTCJun 17, 19:00 UTC25m
2026-06-17 KNA8286 - Jun 17, 17:40 UTCJun 17, 17:55 UTC15m
2026-06-16 KNA8282 - Jun 16, 05:59 UTCJun 16, 06:59 UTC1h 0m
2026-06-14 KNA8286 HUZ → KMG Jun 14, 16:05 UTCJun 14, 17:10 UTC1h 5m
2026-06-13 KNA8271 KMG → SZX Jun 13, 16:40 UTCJun 13, 16:50 UTC10m
2026-06-13 KNA8271 KMG → SZX Jun 13, 15:50 UTCJun 13, 16:00 UTC10m
2026-06-12 KNA8286 HUZ → KMG Jun 12, 15:15 UTCJun 12, 16:05 UTC50m
2026-06-12 KNA8285 KMG → HUZ Jun 12, 14:05 UTCJun 12, 14:15 UTC10m
2026-06-11 - - Jun 11, 17:05 UTCJun 11, 17:15 UTC10m
2026-06-09 KNA8286 HUZ → KMG Jun 9, 14:40 UTCJun 9, 15:40 UTC1h 0m
2026-05-20 KNA8278 WUH → KMG May 20, 02:15 UTCMay 20, 02:25 UTC10m
2026-05-14 - - May 14, 15:01 UTCMay 14, 15:10 UTC10m
2026-05-12 KNA8286 HUZ → KMG May 12, 14:45 UTCMay 12, 15:01 UTC15m
2026-05-10 KNA8280 CAN → KMG May 10, 14:34 UTCMay 10, 14:45 UTC10m
2026-05-07 KNA8272 SZX → KMG May 7, 00:50 UTCMay 7, 01:05 UTC15m
2026-05-03 KNA8245 TFU → HRB May 3, 05:00 UTCMay 3, 05:20 UTC20m
2026-04-28 KNA8286 HUZ → KMG Apr 28, 16:15 UTCApr 28, 16:25 UTC10m
2026-04-26 KNA8270 PEK → KMG Apr 26, 06:05 UTCApr 26, 06:30 UTC25m
2026-04-26 KNA8269 KMG → PEK Apr 26, 03:40 UTCApr 26, 03:55 UTC15m
2026-04-25 KNA8370 BKK → KMG Apr 25, 15:15 UTCApr 25, 15:40 UTC25m
2026-04-25 KNA8369 KMG → BKK Apr 25, 13:30 UTCApr 25, 14:05 UTC35m
2026-04-24 KNA8242 SHE → KMG Apr 24, 08:25 UTCApr 24, 08:35 UTC10m
2026-04-23 KNA8370 BKK → KMG Apr 23, 13:15 UTCApr 23, 14:10 UTC55m
2026-04-23 KNA8369 KMG → BKK Apr 23, 10:35 UTCApr 23, 11:35 UTC1h 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-7089 page for operator, model, and routing details .

Mode-S 78106A frequently asked

What is Mode-S code 78106A?
78106A is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-7089.
Where is Mode-S 78106A registered?
Mode-S code 78106A is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 78106A broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 14:05 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 78106A, octal 36010152, decimal 7,868,522.
What flights does 78106A operate?
Mode-S 78106A has broadcast 20 distinct callsigns, including KNA8286, KNA3051, KNA8369, KNA8272, KNA8370.