Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

781245

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1330 · BOEING 737-800

Hex
781245
Octal
36011105
Decimal
7,868,997
Country
CN
Tail
B-1330
Type
B738
No current signal · last broadcast 1d ago
Flights observed
60
Distinct callsigns
20
Country
CN
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 781245.

Country allocation

The ICAO 24-bit address 781245 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
KNA8269 - 11 2026-06-29
KNA8278 - 8 2026-06-28
KNA8280 Knight Air 6 2026-06-24
KNA8270 - 6 2026-06-30
KNA8274 Knight Air 4 2026-05-28
KNA8286 - 3 2026-07-05
KNA8215 - 3 2026-05-01
KNA8277 - 2 2026-06-19
KNA8273 Knight Air 2 2026-05-28
KNA8272 - 2 2026-07-05
KNA8216 - 2 2026-07-20
KNA8212 - 2 2026-05-29
KNA8285 - 1 2026-07-05
KNA8284 Knight Air 1 2026-06-22
KNA8283 Knight Air 1 2026-06-22
KNA8282 Knight Air 1 2026-06-07
KNA8271 - 1 2026-07-04
KNA8249 Knight Air 1 2026-04-30
KNA8214 - 1 2026-04-26
KNA8213 - 1 2026-05-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-20 KNA8216 - Jul 20, 13:45 UTCJul 20, 14:45 UTC1h 0m
2026-07-05 KNA8286 - Jul 5, 17:35 UTCJul 5, 17:50 UTC15m
2026-07-05 KNA8285 - Jul 5, 15:10 UTCJul 5, 15:20 UTC10m
2026-07-05 KNA8272 - Jul 5, 00:10 UTCJul 5, 00:20 UTC10m
2026-07-04 KNA8271 - Jul 4, 21:10 UTCJul 4, 21:20 UTC10m
2026-06-30 KNA8270 - Jun 30, 06:10 UTCJun 30, 17:35 UTC11h 25m
2026-06-29 KNA8269 - Jun 29, 16:15 UTCJun 30, 03:20 UTC11h 6m
2026-06-29 KNA8286 - Jun 29, 15:34 UTCJun 29, 15:45 UTC10m
2026-06-28 KNA8278 - Jun 28, 03:25 UTCJun 28, 03:40 UTC15m
2026-06-28 KNA8278 - Jun 28, 02:44 UTCJun 28, 02:54 UTC10m
2026-06-26 KNA8272 - Jun 26, 23:25 UTCJun 27, 00:20 UTC55m
2026-06-24 KNA8280 CAN → KMG Jun 24, 14:50 UTCJun 24, 15:39 UTC50m
2026-06-24 KNA8270 - Jun 24, 05:49 UTCJun 24, 06:15 UTC25m
2026-06-24 KNA8269 - Jun 24, 02:54 UTCJun 24, 03:19 UTC25m
2026-06-23 KNA8269 - Jun 23, 03:45 UTCJun 24, 03:15 UTC23h 30m
2026-06-23 KNA8278 - Jun 23, 03:00 UTCJun 23, 03:09 UTC10m
2026-06-22 KNA8284 HAK → KMG Jun 22, 14:05 UTCJun 22, 14:19 UTC15m
2026-06-22 KNA8283 KMG → HAK Jun 22, 11:39 UTCJun 22, 12:05 UTC25m
2026-06-21 KNA8280 CAN → KMG Jun 21, 15:19 UTCJun 22, 12:05 UTC20h 45m
2026-06-21 KNA8280 CAN → KMG Jun 21, 14:40 UTCJun 22, 12:05 UTC21h 25m
2026-06-21 KNA8270 - Jun 21, 05:44 UTCJun 21, 05:59 UTC15m
2026-06-21 KNA8269 - Jun 21, 03:05 UTCJun 21, 03:25 UTC20m
2026-06-20 KNA8280 CAN → KMG Jun 20, 05:44 UTCJun 20, 15:34 UTC9h 50m
2026-06-20 KNA8269 - Jun 20, 02:59 UTCJun 20, 03:24 UTC25m
2026-06-19 KNA8278 - Jun 19, 04:00 UTCJun 20, 03:14 UTC23h 15m
2026-06-19 KNA8278 - Jun 19, 03:09 UTCJun 19, 03:20 UTC10m
2026-06-19 KNA8277 - Jun 19, 01:04 UTCJun 19, 01:29 UTC25m
2026-06-19 KNA8277 - Jun 19, 00:00 UTCJun 19, 00:10 UTC9m
2026-06-17 KNA8280 CAN → KMG Jun 17, 16:15 UTCJun 17, 16:35 UTC20m
2026-06-15 KNA8280 CAN → KMG Jun 15, 16:35 UTCJun 15, 16:59 UTC25m
2026-06-11 KNA8278 WUH → KMG Jun 11, 02:25 UTCJun 11, 03:15 UTC50m
2026-06-10 KNA8270 PEK → KMG Jun 10, 05:40 UTCJun 10, 06:00 UTC20m
2026-06-10 KNA8269 KMG → PEK Jun 10, 03:00 UTCJun 10, 03:30 UTC30m
2026-06-09 KNA8269 KMG → PEK Jun 9, 05:35 UTCJun 10, 03:30 UTC21h 55m
2026-06-09 KNA8269 KMG → PEK Jun 9, 02:40 UTCJun 9, 03:15 UTC35m
2026-06-08 KNA8269 KMG → PEK Jun 8, 03:20 UTCJun 9, 03:15 UTC23h 55m
2026-06-08 KNA8278 WUH → KMG Jun 8, 02:30 UTCJun 8, 02:40 UTC10m
2026-06-07 KNA8282 CAN → KMG Jun 7, 04:45 UTCJun 7, 05:05 UTC20m
2026-06-06 KNA8270 PEK → KMG Jun 6, 05:40 UTCJun 7, 05:05 UTC23h 25m
2026-06-06 KNA8269 KMG → PEK Jun 6, 03:05 UTCJun 6, 03:35 UTC30m
2026-06-05 KNA8270 PEK → KMG Jun 5, 05:55 UTCJun 5, 15:30 UTC9h 35m
2026-06-04 KNA8269 KMG → PEK Jun 4, 15:10 UTCJun 5, 03:25 UTC12h 15m
2026-05-30 KNA8278 WUH → KMG May 30, 02:55 UTCMay 30, 03:05 UTC10m
2026-05-29 KNA8212 - May 29, 05:55 UTCMay 29, 06:15 UTC20m
2026-05-28 KNA8274 HUZ → KMG May 28, 03:35 UTCMay 28, 03:50 UTC15m
2026-05-28 KNA8274 HUZ → KMG May 28, 02:55 UTCMay 28, 03:05 UTC10m
2026-05-28 KNA8273 KMG → HUZ May 28, 01:00 UTCMay 28, 01:15 UTC15m
2026-05-27 KNA8286 HUZ → KMG May 27, 15:05 UTCMay 27, 15:55 UTC50m
2026-05-24 KNA8213 - May 24, 08:25 UTCMay 24, 08:35 UTC10m
2026-05-03 KNA3031 - May 3, 01:45 UTCMay 3, 01:55 UTC10m

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-1330 page for operator, model, and routing details .

Mode-S 781245 frequently asked

What is Mode-S code 781245?
781245 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1330.
Where is Mode-S 781245 registered?
Mode-S code 781245 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 781245 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 781245, octal 36011105, decimal 7,868,997.
What flights does 781245 operate?
Mode-S 781245 has broadcast 20 distinct callsigns, including KNA8269, KNA8278, KNA8280, KNA8270, KNA8274.