Apparatus

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sensors Mode-S transponder

683274

ICAO 24-bit transponder address · allocated to Kazakhstan

Currently assigned to UP-B3727 · BOEING 737 MAX 9

Hex
683274
Octal
32031164
Decimal
6,828,660
Country
KZ
Tail
UP-B3727
Type
B39M
No current signal · last broadcast Jul 24, 01:30 UTC
Flights observed
153
Distinct callsigns
20
Country
KZ
Last broadcast
Jul 24, 01:30 UTC

Last known position

Most recent position reported by Mode-S 683274.

Country allocation

The ICAO 24-bit address 683274 falls within the block assigned to Kazakhstan (KZ) by ICAO Annex 10, Volume III. Every aircraft registered in Kazakhstan 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
VSV5380 - 10 2026-06-26
VSV5381 - 9 2026-06-30
VSV5316 - 9 2026-05-04
VSV5271 - 9 2026-07-12
VSV5273 - 8 2026-07-21
VSV5270 - 8 2026-07-23
VSV481 - 8 2026-06-25
VSV5272 - 7 2026-07-13
VSV5317 - 6 2026-04-24
VSV482 - 6 2026-06-25
VSV5268 - 5 2026-07-21
VSV479 Scat Air 5 2026-06-24
VSV5282 - 4 2026-07-20
VSV5276 - 4 2026-07-20
VSV5275 - 4 2026-07-16
VSV5219 - 4 2026-05-14
VSV5339 - 3 2026-04-15
VSV5338 - 3 2026-04-15
VSV5321 Scat Air 3 2026-04-29
VSV5320 - 3 2026-04-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-23 VSV5270 - Jul 23, 09:35 UTCJul 24, 01:30 UTC15h 55m
2026-07-22 VSV5269 - Jul 22, 11:20 UTCJul 23, 06:35 UTC19h 15m
2026-07-21 VSV5268 - Jul 21, 18:25 UTCJul 22, 05:25 UTC11h 0m
2026-07-21 VSV5273 - Jul 21, 09:05 UTCJul 21, 11:30 UTC2h 25m
2026-07-20 VSV5273 - Jul 20, 15:05 UTCJul 21, 11:30 UTC20h 25m
2026-07-20 VSV5276 - Jul 20, 13:15 UTCJul 21, 11:30 UTC22h 14m
2026-07-20 VSV5282 - Jul 20, 01:55 UTCJul 20, 11:10 UTC9h 15m
2026-07-19 VSV5274 - Jul 19, 09:15 UTCJul 20, 00:20 UTC15h 5m
2026-07-18 VSV5268 AYT → AYT Jul 18, 18:45 UTCJul 19, 05:40 UTC10h 55m
2026-07-18 VSV5273 - Jul 18, 12:50 UTCJul 18, 15:35 UTC2h 45m
2026-07-17 VSV5276 - Jul 17, 13:05 UTCJul 18, 12:50 UTC23h 46m
2026-07-17 VSV5276 - Jul 17, 12:40 UTCJul 17, 14:30 UTC1h 50m
2026-07-17 VSV5281 AYT → AKX Jul 17, 01:29 UTCJul 17, 10:55 UTC9h 25m
2026-07-16 VSV5275 - Jul 16, 11:34 UTCJul 16, 23:35 UTC12h 0m
2026-07-15 VSV5370 - Jul 15, 15:20 UTCJul 16, 10:04 UTC18h 45m
2026-07-15 VSV5288 - Jul 15, 03:40 UTCJul 15, 12:50 UTC9h 10m
2026-07-14 VSV5369 - Jul 14, 22:35 UTCJul 15, 00:55 UTC2h 19m
2026-07-13 VSV5272 - Jul 13, 10:20 UTCJul 13, 12:10 UTC1h 50m
2026-07-12 VSV5271 - Jul 12, 22:10 UTCJul 13, 08:55 UTC10h 45m
2026-07-12 VSV725 - Jul 12, 20:05 UTCJul 12, 20:30 UTC25m
2026-07-09 VSV5270 - Jul 9, 11:05 UTCJul 10, 06:45 UTC19h 40m
2026-07-09 VSV5270 - Jul 9, 09:30 UTCJul 10, 06:45 UTC21h 15m
2026-07-08 VSV5269 - Jul 8, 16:30 UTCJul 9, 06:20 UTC13h 50m
2026-07-08 VSV5287 - Jul 8, 03:35 UTCJul 8, 14:15 UTC10h 40m
2026-07-07 VSV5369 - Jul 7, 22:50 UTCJul 8, 01:15 UTC2h 25m
2026-07-06 VSV5272 - Jul 6, 09:50 UTCJul 6, 11:35 UTC1h 45m
2026-07-06 VSV5271 - Jul 6, 05:55 UTCJul 6, 08:20 UTC2h 25m
2026-07-02 VSV5270 - Jul 2, 11:05 UTCJul 3, 06:10 UTC19h 5m
2026-07-02 VSV5270 - Jul 2, 09:10 UTCJul 3, 06:10 UTC21h 0m
2026-07-02 VSV5269 - Jul 2, 03:35 UTCJul 2, 06:25 UTC2h 50m
2026-06-30 VSV5381 - Jun 30, 09:05 UTCJul 1, 04:10 UTC19h 5m
2026-06-30 VSV5381 - Jun 30, 07:30 UTCJul 1, 04:10 UTC20h 40m
2026-06-29 VSV5240 - Jun 29, 14:39 UTCJun 30, 03:40 UTC13h 1m
2026-06-29 VSV5240 - Jun 29, 07:05 UTCJun 30, 03:40 UTC20h 36m
2026-06-29 VSV5240 - Jun 29, 05:34 UTCJun 30, 03:40 UTC22h 6m
2026-06-28 VSV5291 - Jun 28, 09:30 UTCJun 29, 03:05 UTC17h 35m
2026-06-27 VSV5268 - Jun 27, 20:44 UTCJun 28, 08:00 UTC11h 15m
2026-06-27 VSV5273 - Jun 27, 07:39 UTCJun 27, 19:15 UTC11h 35m
2026-06-27 VSV5381 - Jun 27, 06:50 UTCJun 27, 07:34 UTC45m
2026-06-26 VSV5380 - Jun 26, 10:35 UTCJun 27, 04:59 UTC18h 25m
2026-06-25 VSV482 - Jun 25, 16:05 UTCJun 26, 10:39 UTC18h 35m
2026-06-25 VSV481 - Jun 25, 00:55 UTCJun 25, 14:14 UTC13h 20m
2026-06-24 VSV479 NQZ → SYX Jun 24, 03:44 UTCJun 24, 20:05 UTC16h 20m
2026-06-23 VSV479 NQZ → SYX Jun 23, 23:10 UTCJun 24, 20:05 UTC20h 55m
2026-06-23 VSV5382 - Jun 23, 17:39 UTCJun 24, 15:14 UTC21h 35m
2026-06-23 VSV5270 - Jun 23, 09:34 UTCJun 24, 03:44 UTC18h 10m
2026-06-23 VSV5270 - Jun 23, 02:09 UTCJun 23, 23:14 UTC21h 5m
2026-06-22 VSV5270 - Jun 22, 13:10 UTCJun 23, 12:40 UTC23h 30m
2026-06-22 VSV5282 - Jun 22, 02:10 UTCJun 22, 11:19 UTC9h 10m
2026-06-21 VSV5275 - Jun 21, 09:20 UTCJun 22, 00:29 UTC15h 10m

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 UP-B3727 page for operator, model, and routing details .

Mode-S 683274 frequently asked

What is Mode-S code 683274?
683274 is an ICAO 24-bit transponder address. Allocated to Kazakhstan. Assigned to UP-B3727.
Where is Mode-S 683274 registered?
Mode-S code 683274 is allocated to Kazakhstan (KZ). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 683274 broadcasting right now?
No active broadcast right now. Last signal was Jul 24, 01:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 683274, octal 32031164, decimal 6,828,660.
What flights does 683274 operate?
Mode-S 683274 has broadcast 20 distinct callsigns, including VSV5380, VSV5381, VSV5316, VSV5271, VSV5273.