sensors Mode-S transponder
4D010A
ICAO 24-bit transponder address · allocated to Luxembourg
Currently assigned to LX-UCV · BOEING 747-400
- Hex
- 4D010A
- Octal
- 23200412
- Decimal
- 5,046,538
- Country
- LU
- Tail
- LX-UCV
- Type
- B744
- Flights observed
- 93
- Distinct callsigns
- 20
- Country
- LU
- Last broadcast
- 6d ago
Last known position
Country allocation
The ICAO 24-bit address 4D010A falls within the block assigned to Luxembourg (LU) by ICAO Annex 10, Volume III. Every aircraft registered in Luxembourg 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 |
|---|---|---|---|
| ICV9263 | Cargolux Italia | 12 | 2026-05-21 |
| ICV736 | - | 8 | 2026-05-12 |
| ICV9261 | Cargolux Italia | 7 | 2026-05-11 |
| ICV782 | - | 7 | 2026-05-21 |
| CLX315 | - | 6 | 2026-05-03 |
| ICV9266 | Cargolux Italia | 5 | 2026-05-10 |
| ICV81L | Cargolux Italia | 5 | 2026-04-13 |
| ICV32 | Cargolux Italia | 4 | 2026-05-22 |
| ICV67 | Cargolux Italia | 3 | 2026-05-11 |
| ICV513 | - | 3 | 2026-05-10 |
| ICV4093 | - | 3 | 2026-04-29 |
| CLX499 | - | 3 | 2026-04-28 |
| ICV9275 | - | 2 | 2026-05-18 |
| ICV87 | Cargolux Italia | 2 | 2026-05-13 |
| ICV79 | - | 2 | 2026-04-15 |
| ICV762 | - | 2 | 2026-05-19 |
| ICV66C | Cargolux Italia | 2 | 2026-04-30 |
| ICV5094 | Cargolux Italia | 2 | 2026-04-30 |
| ICV37 | Cargolux Italia | 2 | 2026-05-15 |
| ICV21 | Cargolux Italia | 2 | 2026-05-11 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-23 | ICV9846 | - | May 23, 12:00 UTC | May 23, 14:30 UTC | 2h 30m |
| 2026-05-22 | ICV32 | MXP → LUX | May 22, 06:00 UTC | May 22, 06:55 UTC | 55m |
| 2026-05-21 | ICV782 | - | May 21, 23:15 UTC | May 22, 03:00 UTC | 3h 45m |
| 2026-05-21 | ICV782 | - | May 21, 13:25 UTC | May 21, 13:40 UTC | 15m |
| 2026-05-21 | ICV9263 | MXP → HKG | May 21, 07:10 UTC | May 21, 11:15 UTC | 4h 5m |
| 2026-05-20 | ICV9263 | MXP → HKG | May 20, 15:30 UTC | May 21, 03:55 UTC | 12h 25m |
| 2026-05-19 | ICV762 | - | May 19, 14:40 UTC | May 19, 18:45 UTC | 4h 5m |
| 2026-05-19 | ICV762 | - | May 19, 04:55 UTC | May 19, 05:10 UTC | 15m |
| 2026-05-18 | ICV9275 | - | May 18, 12:10 UTC | May 18, 15:55 UTC | 3h 45m |
| 2026-05-15 | ICV9275 | - | May 15, 13:25 UTC | May 16, 02:15 UTC | 12h 49m |
| 2026-05-15 | ICV37 | LUX → MXP | May 15, 10:00 UTC | May 15, 10:50 UTC | 50m |
| 2026-05-13 | ICV87 | MXP → LUX | May 13, 04:25 UTC | May 13, 05:20 UTC | 55m |
| 2026-05-12 | ICV736 | - | May 12, 20:40 UTC | May 12, 21:55 UTC | 1h 15m |
| 2026-05-12 | ICV736 | - | May 12, 10:20 UTC | May 12, 10:35 UTC | 15m |
| 2026-05-11 | ICV9261 | DWC → MXP | May 11, 20:35 UTC | May 12, 07:45 UTC | 11h 10m |
| 2026-05-11 | ICV67 | LUX → MXP | May 11, 14:00 UTC | May 11, 14:55 UTC | 55m |
| 2026-05-11 | ICV21 | MXP → LUX | May 11, 05:30 UTC | May 11, 06:25 UTC | 55m |
| 2026-05-10 | ICV513 | - | May 10, 21:44 UTC | May 10, 23:05 UTC | 1h 20m |
| 2026-05-10 | ICV513 | - | May 10, 11:50 UTC | May 10, 12:05 UTC | 15m |
| 2026-05-10 | ICV9266 | NRT → HKG | May 10, 05:00 UTC | May 10, 09:20 UTC | 4h 20m |
| 2026-05-09 | ICV9266 | NRT → HKG | May 9, 14:05 UTC | May 10, 02:24 UTC | 12h 20m |
| 2026-05-08 | ICV37 | LUX → MXP | May 8, 19:25 UTC | May 8, 20:15 UTC | 50m |
| 2026-05-07 | CLX492 | AMS → LUX | May 7, 10:50 UTC | May 7, 11:25 UTC | 35m |
| 2026-05-06 | CLX492 | - | May 6, 18:10 UTC | May 6, 18:35 UTC | 25m |
| 2026-05-06 | CLX491 | - | May 6, 04:45 UTC | May 6, 14:50 UTC | 10h 5m |
| 2026-05-03 | CLX315 | AMS → LUX | May 3, 11:30 UTC | May 3, 12:05 UTC | 35m |
| 2026-05-03 | CLX315 | - | May 3, 05:10 UTC | May 3, 09:30 UTC | 4h 20m |
| 2026-05-02 | CLX315 | - | May 2, 18:35 UTC | May 2, 18:55 UTC | 20m |
| 2026-05-02 | CLX314 | LUX → JNB | May 2, 05:05 UTC | May 2, 14:55 UTC | 9h 50m |
| 2026-05-01 | ICV66 | LUX → MXP | May 1, 06:00 UTC | May 1, 06:55 UTC | 55m |
| 2026-04-30 | ICV66C | ANC → DFW | Apr 30, 17:30 UTC | May 1, 03:05 UTC | 9h 35m |
| 2026-04-30 | ICV66C | ANC → DFW | Apr 30, 08:10 UTC | Apr 30, 13:45 UTC | 5h 35m |
| 2026-04-30 | ICV5094 | TPE → ANC | Apr 30, 00:20 UTC | Apr 30, 06:40 UTC | 6h 20m |
| 2026-04-29 | ICV5094 | TPE → ANC | Apr 29, 22:30 UTC | Apr 29, 22:40 UTC | 10m |
| 2026-04-29 | ICV4093 | - | Apr 29, 17:55 UTC | Apr 29, 20:10 UTC | 2h 15m |
| 2026-04-29 | ICV4093 | - | Apr 29, 13:05 UTC | Apr 29, 13:30 UTC | 25m |
| 2026-04-29 | ICV4093 | - | Apr 29, 02:24 UTC | Apr 29, 12:15 UTC | 9h 51m |
| 2026-04-28 | ICV83 | LUX → MXP | Apr 28, 21:25 UTC | Apr 28, 22:20 UTC | 55m |
| 2026-04-28 | CLX499 | - | Apr 28, 16:25 UTC | Apr 28, 17:10 UTC | 45m |
| 2026-04-28 | CLX499 | - | Apr 28, 10:35 UTC | Apr 28, 13:55 UTC | 3h 20m |
| 2026-04-27 | CLX499 | - | Apr 27, 22:40 UTC | Apr 27, 23:05 UTC | 25m |
| 2026-04-27 | CLX498 | LUX → JNB | Apr 27, 09:30 UTC | Apr 27, 19:10 UTC | 9h 40m |
| 2026-04-26 | CLX315 | AMS → LUX | Apr 26, 12:30 UTC | Apr 26, 13:10 UTC | 40m |
| 2026-04-26 | CLX315 | - | Apr 26, 06:00 UTC | Apr 26, 10:25 UTC | 4h 25m |
| 2026-04-25 | CLX315 | - | Apr 25, 19:10 UTC | Apr 25, 19:35 UTC | 25m |
| 2026-04-25 | CLX314 | - | Apr 25, 05:55 UTC | Apr 25, 16:05 UTC | 10h 10m |
| 2026-04-24 | ICV32 | MXP → LUX | Apr 24, 16:45 UTC | Apr 24, 17:35 UTC | 50m |
| 2026-04-23 | ICV782 | HKG → MXP | Apr 23, 23:20 UTC | Apr 24, 13:35 UTC | 14h 15m |
| 2026-04-23 | ICV9263 | MXP → HKG | Apr 23, 10:20 UTC | Apr 23, 14:50 UTC | 4h 30m |
| 2026-04-22 | ICV9263 | MXP → HKG | Apr 22, 19:35 UTC | Apr 22, 23:10 UTC | 3h 35m |
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 LX-UCV page for operator, model, and routing details .