sensors Mode-S transponder

507C9D

ICAO 24-bit transponder address · allocated to Uzbekistan

Currently assigned to UK32029 · AIRBUS A-320neo

Hex
507C9D
Octal
24076235
Decimal
5,274,781
Country
UZ
Tail
UK32029
Type
A20N
No current signal · last broadcast 15d ago
Flights observed
23
Distinct callsigns
9
Country
UZ
Last broadcast
15d ago

Last known position

Most recent position reported by Mode-S 507C9D.

Country allocation

The ICAO 24-bit address 507C9D 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 9 distinct

Callsign Airline Flights Last seen
UZB281 - 6 2026-07-11
UZB291 - 4 2026-07-13
UZB282 - 3 2026-07-12
UZB634 Uzbekistan Airways 2 2026-07-19
UZB601 Uzbekistan Airways 2 2026-07-25
UZB3222 - 2 2026-06-26
UZB3221 - 2 2026-06-26
UZB9684 - 1 2026-07-04
UZB668 - 1 2026-06-29

Recent flights last 23

DateFlightRouteTakeoffLandingDuration
2026-07-25 UZB601 TAS → DME Jul 25, 17:10 UTCJul 25, 17:35 UTC25m
2026-07-19 UZB634 LED → TAS Jul 19, 10:30 UTCJul 19, 10:55 UTC25m
2026-07-15 UZB601 TAS → DME Jul 15, 17:10 UTCJul 15, 17:30 UTC20m
2026-07-13 UZB291 - Jul 13, 04:45 UTCJul 13, 20:45 UTC16h 0m
2026-07-12 UZB282 - Jul 12, 03:15 UTCJul 12, 05:10 UTC1h 55m
2026-07-11 UZB281 - Jul 11, 22:40 UTCJul 12, 01:15 UTC2h 35m
2026-07-09 UZB282 - Jul 9, 03:15 UTCJul 9, 05:15 UTC2h 0m
2026-07-08 UZB281 - Jul 8, 05:20 UTCJul 9, 01:10 UTC19h 50m
2026-07-08 UZB281 - Jul 8, 02:50 UTCJul 8, 03:10 UTC20m
2026-07-08 UZB281 - Jul 8, 00:35 UTCJul 8, 01:20 UTC45m
2026-07-06 UZB291 - Jul 6, 04:40 UTCJul 6, 20:55 UTC16h 15m
2026-07-04 UZB9684 - Jul 4, 03:25 UTCJul 4, 09:00 UTC5h 35m
2026-07-03 UZB282 - Jul 3, 03:20 UTCJul 3, 05:15 UTC1h 55m
2026-07-03 UZB281 - Jul 3, 00:50 UTCJul 3, 01:10 UTC20m
2026-07-02 UZB281 - Jul 2, 22:40 UTCJul 2, 23:55 UTC1h 15m
2026-06-29 UZB668 - Jun 29, 20:24 UTCJun 29, 21:30 UTC1h 5m
2026-06-29 UZB291 - Jun 29, 04:50 UTCJun 29, 10:10 UTC5h 20m
2026-06-26 UZB3222 - Jun 26, 14:19 UTCJun 26, 16:05 UTC1h 45m
2026-06-26 UZB3221 - Jun 26, 09:59 UTCJun 26, 12:34 UTC2h 35m
2026-06-21 UZB634 LED → TAS Jun 21, 10:14 UTCJun 21, 10:40 UTC25m
2026-06-19 UZB3222 - Jun 19, 14:09 UTCJun 19, 15:59 UTC1h 50m
2026-06-19 UZB3221 - Jun 19, 09:24 UTCJun 19, 12:14 UTC2h 50m
2026-06-18 UZB291 - Jun 18, 04:55 UTCJun 18, 10:20 UTC5h 25m

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 UK32029 page for operator, model, and routing details .

Mode-S 507C9D frequently asked

What is Mode-S code 507C9D?
507C9D is an ICAO 24-bit transponder address. Allocated to Uzbekistan. Assigned to UK32029.
Where is Mode-S 507C9D registered?
Mode-S code 507C9D is allocated to Uzbekistan (UZ). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 507C9D broadcasting right now?
No active broadcast right now. Last signal was 15d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 507C9D, octal 24076235, decimal 5,274,781.
What flights does 507C9D operate?
Mode-S 507C9D has broadcast 9 distinct callsigns, including UZB281, UZB291, UZB282, UZB634, UZB601.