sensors Mode-S transponder
507CC3
ICAO 24-bit transponder address · allocated to Uzbekistan
Currently assigned to UK32133 · AIRBUS A-321neo
- Hex
- 507CC3
- Octal
- 24076303
- Decimal
- 5,274,819
- Country
- UZ
- Tail
- UK32133
- Type
- A21N
- Flights observed
- 86
- Distinct callsigns
- 20
- Country
- UZ
- Last broadcast
- 1h ago
Current position
Country allocation
The ICAO 24-bit address 507CC3 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 |
|---|---|---|---|
| MFX530 | - | 15 | 2026-05-01 |
| MFX531 | - | 9 | 2026-06-01 |
| MFX525 | - | 6 | 2026-05-21 |
| MFX221 | - | 6 | 2026-06-01 |
| MFX5536 | - | 5 | 2026-05-18 |
| MFX526 | - | 5 | 2026-05-22 |
| MFX222 | - | 4 | 2026-05-28 |
| MFX529 | - | 3 | 2026-04-17 |
| MFX352 | My Freighter LLC | 3 | 2026-05-23 |
| MFX351 | My Freighter LLC | 3 | 2026-05-07 |
| MFX3363 | - | 3 | 2026-04-14 |
| MFX315 | My Freighter LLC | 3 | 2026-05-26 |
| MFX303 | - | 3 | 2026-04-21 |
| MFX558 | - | 2 | 2026-05-15 |
| MFX557 | My Freighter LLC | 2 | 2026-05-14 |
| MFX5535 | - | 2 | 2026-05-17 |
| MFX3364 | - | 2 | 2026-04-14 |
| MFX3308 | - | 2 | 2026-05-29 |
| MFX3307 | - | 2 | 2026-05-29 |
| MFX316 | My Freighter LLC | 2 | 2026-05-26 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-01 | MFX531 | - | Jun 1, 23:00 UTC | Jun 2, 17:25 UTC | 18h 25m |
| 2026-06-01 | MFX531 | - | Jun 1, 11:50 UTC | Jun 2, 10:20 UTC | 22h 30m |
| 2026-06-01 | MFX221 | - | Jun 1, 09:30 UTC | Jun 1, 10:00 UTC | 30m |
| 2026-05-30 | MFX531 | - | May 30, 22:50 UTC | May 31, 09:50 UTC | 11h 0m |
| 2026-05-29 | MFX3308 | - | May 29, 13:35 UTC | May 29, 15:30 UTC | 1h 56m |
| 2026-05-29 | MFX3307 | - | May 29, 08:50 UTC | May 29, 11:25 UTC | 2h 35m |
| 2026-05-28 | MFX222 | - | May 28, 11:55 UTC | May 29, 10:45 UTC | 22h 50m |
| 2026-05-28 | MFX221 | - | May 28, 09:10 UTC | May 28, 09:50 UTC | 40m |
| 2026-05-26 | MFX222 | - | May 26, 21:59 UTC | May 26, 22:25 UTC | 25m |
| 2026-05-26 | MFX221 | - | May 26, 20:00 UTC | May 26, 20:20 UTC | 20m |
| 2026-05-26 | MFX316 | IST → FEG | May 26, 07:45 UTC | May 26, 09:49 UTC | 2h 5m |
| 2026-05-26 | MFX315 | FEG → IST | May 26, 04:45 UTC | May 26, 05:00 UTC | 15m |
| 2026-05-25 | MFX315 | FEG → IST | May 25, 12:35 UTC | May 26, 04:10 UTC | 15h 35m |
| 2026-05-25 | MFX221 | - | May 25, 09:00 UTC | May 25, 09:45 UTC | 45m |
| 2026-05-23 | MFX352 | DXB → TAS | May 23, 09:40 UTC | May 23, 10:10 UTC | 30m |
| 2026-05-22 | MFX3308 | - | May 22, 16:10 UTC | May 23, 05:05 UTC | 12h 54m |
| 2026-05-22 | MFX3307 | - | May 22, 12:55 UTC | May 22, 13:15 UTC | 20m |
| 2026-05-22 | MFX526 | - | May 22, 00:10 UTC | May 22, 12:10 UTC | 12h 0m |
| 2026-05-21 | MFX525 | - | May 21, 17:20 UTC | May 21, 21:30 UTC | 4h 10m |
| 2026-05-19 | MFX531 | - | May 19, 01:05 UTC | May 19, 11:10 UTC | 10h 5m |
| 2026-05-18 | MFX5536 | - | May 18, 08:50 UTC | May 19, 03:10 UTC | 18h 19m |
| 2026-05-18 | MFX5536 | - | May 18, 06:50 UTC | May 19, 03:10 UTC | 20h 19m |
| 2026-05-18 | MFX5536 | - | May 18, 05:45 UTC | May 19, 03:10 UTC | 21h 24m |
| 2026-05-17 | MFX5536 | - | May 17, 23:05 UTC | May 18, 10:15 UTC | 11h 10m |
| 2026-05-17 | MFX5536 | - | May 17, 09:45 UTC | May 18, 08:45 UTC | 23h 0m |
| 2026-05-17 | MFX5535 | - | May 17, 07:55 UTC | May 18, 06:45 UTC | 22h 50m |
| 2026-05-17 | MFX5535 | - | May 17, 00:50 UTC | May 18, 00:45 UTC | 23h 55m |
| 2026-05-16 | MFX531 | - | May 16, 22:50 UTC | May 17, 09:50 UTC | 11h 0m |
| 2026-05-15 | MFX558 | - | May 15, 08:20 UTC | May 15, 08:55 UTC | 35m |
| 2026-05-14 | MFX557 | TAS → DEL | May 14, 20:10 UTC | May 15, 04:30 UTC | 8h 20m |
| 2026-05-14 | MFX221 | - | May 14, 17:05 UTC | May 14, 17:40 UTC | 35m |
| 2026-05-12 | MFX222 | - | May 12, 23:10 UTC | May 12, 23:40 UTC | 30m |
| 2026-05-12 | MFX316 | IST → FEG | May 12, 09:20 UTC | May 12, 20:15 UTC | 10h 55m |
| 2026-05-11 | MFX315 | FEG → IST | May 11, 12:35 UTC | May 12, 05:05 UTC | 16h 31m |
| 2026-05-11 | MFX221 | - | May 11, 09:10 UTC | May 11, 09:40 UTC | 30m |
| 2026-05-09 | MFX531 | - | May 9, 23:00 UTC | May 10, 09:40 UTC | 10h 40m |
| 2026-05-09 | MFX531 | - | May 9, 12:00 UTC | May 10, 09:40 UTC | 21h 40m |
| 2026-05-07 | MFX352 | DXB → TAS | May 7, 12:30 UTC | May 7, 12:40 UTC | 10m |
| 2026-05-07 | MFX351 | TAS → DXB | May 7, 04:55 UTC | May 7, 07:20 UTC | 2h 25m |
| 2026-05-04 | MFX531 | - | May 4, 22:55 UTC | May 5, 09:45 UTC | 10h 50m |
| 2026-05-02 | MFX531 | - | May 2, 23:00 UTC | May 3, 10:05 UTC | 11h 4m |
| 2026-05-01 | MFX222 | - | May 1, 22:00 UTC | May 1, 22:30 UTC | 30m |
| 2026-05-01 | MFX530 | - | May 1, 05:20 UTC | May 1, 20:05 UTC | 14h 45m |
| 2026-04-30 | MFX530 | - | Apr 30, 22:50 UTC | May 1, 20:05 UTC | 21h 15m |
| 2026-04-30 | MFX530 | - | Apr 30, 20:50 UTC | May 1, 20:05 UTC | 23h 15m |
| 2026-04-29 | MFX530 | - | Apr 29, 08:34 UTC | Apr 29, 19:15 UTC | 10h 41m |
| 2026-04-28 | MFX530 | - | Apr 28, 22:49 UTC | Apr 29, 19:15 UTC | 20h 26m |
| 2026-04-28 | MFX530 | - | Apr 28, 22:30 UTC | Apr 29, 19:15 UTC | 20h 46m |
| 2026-04-28 | MFX526 | - | Apr 28, 02:55 UTC | Apr 28, 18:05 UTC | 15h 10m |
| 2026-04-28 | MFX525 | - | Apr 28, 00:15 UTC | Apr 28, 00:30 UTC | 15m |
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 UK32133 page for operator, model, and routing details .