Apparatus

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sensors Mode-S transponder

507C40

ICAO 24-bit transponder address · allocated to Uzbekistan

Currently assigned to UK32017 · AIRBUS A-320

Hex
507C40
Octal
24076100
Decimal
5,274,688
Country
UZ
Tail
UK32017
Type
A320
No current signal · last broadcast 2d ago
Flights observed
65
Distinct callsigns
20
Country
UZ
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S 507C40.

Country allocation

The ICAO 24-bit address 507C40 falls within the block assigned to Uzbekistan (UZ) by ICAO Annex 10, Volume III. Every aircraft registered in Uzbekistan 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
UZB281 - 7 2026-06-30
UZB291 - 6 2026-07-02
UZB746 - 5 2026-07-10
UZB745 - 5 2026-07-10
UZB282 - 5 2026-07-01
UZB276 Uzbekistan Airways 4 2026-05-01
UZB747 - 3 2026-07-11
UZB303 Uzbekistan Airways 3 2026-06-16
UZB275 Uzbekistan Airways 3 2026-05-01
UZB9673 Uzbekistan Airways 2 2026-06-07
UZB748 Uzbekistan Airways 2 2026-07-11
UZB710 - 2 2026-06-27
UZB709 Uzbekistan Airways 2 2026-06-06
UZB685 Uzbekistan Airways 2 2026-06-04
UZB667 - 2 2026-04-20
UZB304 Uzbekistan Airways 2 2026-06-16
UZB279 - 2 2026-06-23
UZB9701 - 1 2026-04-25
UZB668 Uzbekistan Airways 1 2026-04-15
UZB645 Uzbekistan Airways 1 2026-06-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-11 UZB748 SIP → TAS Jul 11, 10:25 UTCJul 11, 11:15 UTC50m
2026-07-11 UZB747 - Jul 11, 07:45 UTCJul 11, 08:40 UTC55m
2026-07-10 UZB746 - Jul 10, 08:05 UTCJul 11, 08:01 UTC23h 56m
2026-07-10 UZB746 - Jul 10, 07:55 UTCJul 10, 08:20 UTC25m
2026-07-10 UZB745 - Jul 10, 05:35 UTCJul 10, 06:10 UTC35m
2026-07-08 UZB748 SIP → TAS Jul 8, 10:30 UTCJul 8, 20:40 UTC10h 10m
2026-07-08 UZB747 - Jul 8, 07:55 UTCJul 8, 08:55 UTC1h 0m
2026-07-02 UZB291 - Jul 2, 04:50 UTCJul 2, 10:00 UTC5h 10m
2026-07-01 UZB282 - Jul 1, 03:20 UTCJul 1, 05:20 UTC2h 0m
2026-06-30 UZB281 - Jun 30, 23:00 UTCJul 1, 01:35 UTC2h 35m
2026-06-27 UZB710 - Jun 27, 18:29 UTCJun 27, 18:39 UTC10m
2026-06-24 UZB282 - Jun 24, 03:15 UTCJun 24, 05:20 UTC2h 5m
2026-06-23 UZB281 - Jun 23, 10:35 UTCJun 24, 01:14 UTC14h 40m
2026-06-23 UZB279 - Jun 23, 06:04 UTCJun 23, 08:39 UTC2h 35m
2026-06-16 UZB304 TLV → TAS Jun 16, 18:45 UTCJun 16, 21:00 UTC2h 16m
2026-06-16 UZB303 TAS → TLV Jun 16, 12:50 UTCJun 16, 15:40 UTC2h 50m
2026-06-15 UZB291 - Jun 15, 04:50 UTCJun 15, 10:09 UTC5h 20m
2026-06-14 UZB291 - Jun 14, 08:05 UTCJun 15, 06:04 UTC21h 59m
2026-06-13 UZB745 TAS → TBS Jun 13, 15:00 UTCJun 14, 06:25 UTC15h 25m
2026-06-11 UZB282 IST → TAS Jun 11, 03:30 UTCJun 11, 05:35 UTC2h 5m
2026-06-10 UZB281 TAS → IST Jun 10, 23:05 UTCJun 11, 01:40 UTC2h 35m
2026-06-09 UZB304 TLV → TAS Jun 9, 18:20 UTCJun 9, 20:35 UTC2h 15m
2026-06-09 UZB303 TAS → TLV Jun 9, 13:00 UTCJun 9, 15:50 UTC2h 50m
2026-06-07 UZB9673 TAS → IKT Jun 7, 18:05 UTCJun 8, 13:55 UTC19h 50m
2026-06-07 UZB9673 TAS → IKT Jun 7, 17:35 UTCJun 8, 13:55 UTC20h 20m
2026-06-06 UZB645 TAS → MRV Jun 6, 18:35 UTCJun 7, 18:00 UTC23h 25m
2026-06-06 UZB709 TAS → MSQ Jun 6, 14:20 UTCJun 6, 15:05 UTC45m
2026-06-04 UZB685 TAS → AER Jun 4, 04:25 UTCJun 4, 05:10 UTC45m
2026-06-02 UZB746 TBS → TAS Jun 2, 08:05 UTCJun 2, 08:20 UTC15m
2026-06-02 UZB745 TAS → TBS Jun 2, 05:35 UTCJun 2, 06:05 UTC30m
2026-05-30 UZB613 TAS → VKO May 30, 15:20 UTCMay 30, 20:20 UTC5h 0m
2026-05-29 UZB280 IST → UGC May 29, 10:20 UTCMay 29, 12:20 UTC2h 0m
2026-05-29 UZB279 UGC → IST May 29, 06:05 UTCMay 29, 08:40 UTC2h 35m
2026-05-28 UZB282 IST → TAS May 28, 03:05 UTCMay 28, 05:10 UTC2h 5m
2026-05-27 UZB281 TAS → IST May 27, 22:55 UTCMay 28, 01:25 UTC2h 30m
2026-05-26 UZB747 - May 26, 19:15 UTCMay 27, 09:15 UTC14h 0m
2026-05-26 UZB303 TAS → TLV May 26, 13:15 UTCMay 26, 16:00 UTC2h 45m
2026-05-21 UZB282 IST → TAS May 21, 03:25 UTCMay 21, 05:40 UTC2h 15m
2026-05-21 UZB281 TAS → IST May 21, 01:00 UTCMay 21, 01:10 UTC10m
2026-05-20 UZB281 TAS → IST May 20, 07:25 UTCMay 21, 00:10 UTC16h 45m
2026-05-17 UZB746 TBS → TAS May 17, 08:10 UTCMay 17, 08:40 UTC30m
2026-05-17 UZB745 TAS → TBS May 17, 05:50 UTCMay 17, 06:15 UTC25m
2026-05-07 UZB710 MSQ → TAS May 7, 11:10 UTCMay 7, 13:15 UTC2h 5m
2026-05-07 UZB709 TAS → MSQ May 7, 08:55 UTCMay 7, 09:20 UTC25m
2026-05-01 UZB605 SKD → DME May 1, 19:05 UTCMay 2, 12:15 UTC17h 10m
2026-05-01 UZB276 IST → SKD May 1, 12:05 UTCMay 2, 12:00 UTC23h 55m
2026-05-01 UZB276 IST → SKD May 1, 11:55 UTCMay 1, 23:35 UTC11h 40m
2026-05-01 UZB275 SKD → IST May 1, 06:05 UTCMay 1, 07:30 UTC1h 25m
2026-04-29 UZB276 IST → SKD Apr 29, 19:15 UTCApr 29, 20:20 UTC1h 5m
2026-04-29 UZB275 SKD → IST Apr 29, 07:55 UTCApr 29, 15:15 UTC7h 21m

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 UK32017 page for operator, model, and routing details .

Mode-S 507C40 frequently asked

What is Mode-S code 507C40?
507C40 is an ICAO 24-bit transponder address. Allocated to Uzbekistan. Assigned to UK32017.
Where is Mode-S 507C40 registered?
Mode-S code 507C40 is allocated to Uzbekistan (UZ). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 507C40 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 507C40, octal 24076100, decimal 5,274,688.
What flights does 507C40 operate?
Mode-S 507C40 has broadcast 20 distinct callsigns, including UZB281, UZB291, UZB746, UZB745, UZB282.