sensors Mode-S transponder
4408FD
ICAO 24-bit transponder address · allocated to Austria
Currently assigned to OE-IFB · BOEING 747-400
- Hex
- 4408FD
- Octal
- 21004375
- Decimal
- 4,458,749
- Country
- AT
- Tail
- OE-IFB
- Type
- B744
- Flights observed
- 94
- Distinct callsigns
- 13
- Country
- AT
- Last broadcast
- 3h ago
Last known position
Country allocation
The ICAO 24-bit address 4408FD falls within the block assigned to Austria (AT) by ICAO Annex 10, Volume III. Every aircraft registered in Austria 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 13 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| TAY827 | - | 16 | 2026-05-25 |
| TAY813 | ASL Airlines Belgium | 14 | 2026-04-29 |
| TAY811 | ASL Airlines Belgium | 12 | 2026-05-29 |
| TAY1842 | ASL Airlines Belgium | 11 | 2026-05-16 |
| TAY1841 | ASL Airlines Belgium | 10 | 2026-05-15 |
| TAY826 | ASL Airlines Belgium | 9 | 2026-05-24 |
| TAY812 | ASL Airlines Belgium | 9 | 2026-05-30 |
| TAY952 | ASL Airlines Belgium | 4 | 2026-06-02 |
| TAY951 | - | 4 | 2026-06-01 |
| TAY914E | ASL Airlines Belgium | 2 | 2026-05-14 |
| TAY970 | - | 1 | 2026-06-02 |
| TAY1846 | ASL Airlines Belgium | 1 | 2026-05-31 |
| BCS516 | European Air Transport | 1 | 2026-06-02 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-02 | BCS516 | CVG → LEJ | Jun 2, 16:00 UTC | Jun 2, 21:50 UTC | 5h 50m |
| 2026-06-02 | TAY970 | - | Jun 2, 12:05 UTC | Jun 2, 12:50 UTC | 45m |
| 2026-06-02 | TAY952 | HKG → HKG | Jun 2, 09:35 UTC | Jun 2, 09:55 UTC | 20m |
| 2026-06-02 | TAY952 | HKG → HKG | Jun 2, 00:05 UTC | Jun 2, 04:35 UTC | 4h 30m |
| 2026-06-01 | TAY952 | HKG → HKG | Jun 1, 11:15 UTC | Jun 1, 11:30 UTC | 15m |
| 2026-06-01 | TAY951 | - | Jun 1, 07:55 UTC | Jun 1, 08:25 UTC | 30m |
| 2026-05-31 | TAY951 | - | May 31, 20:50 UTC | Jun 1, 00:45 UTC | 3h 55m |
| 2026-05-31 | TAY1846 | TLV → LGG | May 31, 09:20 UTC | May 31, 13:25 UTC | 4h 5m |
| 2026-05-30 | TAY812 | TNA → LGG | May 30, 12:25 UTC | May 30, 17:05 UTC | 4h 40m |
| 2026-05-29 | TAY811 | LGG → TNA | May 29, 04:30 UTC | May 29, 04:50 UTC | 20m |
| 2026-05-28 | TAY811 | LGG → TNA | May 28, 18:50 UTC | May 28, 21:20 UTC | 2h 30m |
| 2026-05-27 | TAY952 | HKG → HKG | May 27, 23:15 UTC | May 28, 15:15 UTC | 16h 0m |
| 2026-05-27 | TAY951 | - | May 27, 20:00 UTC | May 27, 20:30 UTC | 30m |
| 2026-05-27 | TAY951 | - | May 27, 08:45 UTC | May 27, 12:45 UTC | 4h 0m |
| 2026-05-26 | TAY812 | TNA → LGG | May 26, 13:45 UTC | May 27, 03:29 UTC | 13h 45m |
| 2026-05-26 | TAY812 | TNA → LGG | May 26, 08:34 UTC | May 27, 03:29 UTC | 18h 55m |
| 2026-05-25 | TAY811 | LGG → TNA | May 25, 22:44 UTC | May 26, 14:00 UTC | 15h 15m |
| 2026-05-25 | TAY827 | - | May 25, 14:20 UTC | May 25, 15:30 UTC | 1h 10m |
| 2026-05-24 | TAY827 | - | May 24, 15:20 UTC | May 25, 15:15 UTC | 23h 55m |
| 2026-05-24 | TAY826 | LGG → LGG | May 24, 11:25 UTC | May 24, 15:35 UTC | 4h 10m |
| 2026-05-22 | TAY827 | - | May 22, 09:55 UTC | May 22, 14:10 UTC | 4h 15m |
| 2026-05-21 | TAY826 | LGG → LGG | May 21, 06:25 UTC | May 21, 10:40 UTC | 4h 15m |
| 2026-05-20 | TAY827 | - | May 20, 13:45 UTC | May 20, 14:55 UTC | 1h 10m |
| 2026-05-19 | TAY826 | LGG → LGG | May 19, 06:15 UTC | May 19, 10:20 UTC | 4h 5m |
| 2026-05-18 | TAY827 | - | May 18, 13:40 UTC | May 18, 18:00 UTC | 4h 20m |
| 2026-05-17 | TAY827 | - | May 17, 15:20 UTC | May 18, 14:50 UTC | 23h 30m |
| 2026-05-17 | TAY826 | LGG → LGG | May 17, 11:10 UTC | May 17, 15:35 UTC | 4h 25m |
| 2026-05-16 | TAY1842 | ALA → LGG | May 16, 23:15 UTC | May 17, 04:10 UTC | 4h 55m |
| 2026-05-15 | TAY1841 | LEJ → MIA | May 15, 23:20 UTC | May 16, 23:15 UTC | 23h 56m |
| 2026-05-15 | TAY1841 | LEJ → MIA | May 15, 21:45 UTC | May 16, 00:10 UTC | 2h 25m |
| 2026-05-14 | TAY914E | HHN → LGG | May 14, 20:05 UTC | May 14, 20:30 UTC | 25m |
| 2026-05-13 | TAY914E | HHN → LGG | May 13, 05:20 UTC | May 13, 05:45 UTC | 25m |
| 2026-05-12 | TAY1842 | ALA → LGG | May 12, 22:20 UTC | May 13, 02:50 UTC | 4h 30m |
| 2026-05-11 | TAY1841 | LEJ → MIA | May 11, 21:50 UTC | May 11, 22:35 UTC | 44m |
| 2026-05-11 | TAY827 | - | May 11, 13:25 UTC | May 11, 14:40 UTC | 1h 15m |
| 2026-05-10 | TAY826 | LGG → LGG | May 10, 11:15 UTC | May 10, 13:35 UTC | 2h 20m |
| 2026-05-09 | TAY1842 | ALA → LGG | May 9, 22:39 UTC | May 10, 03:10 UTC | 4h 30m |
| 2026-05-09 | TAY1842 | ALA → LGG | May 9, 01:20 UTC | May 10, 01:14 UTC | 23h 55m |
| 2026-05-08 | TAY1841 | LEJ → MIA | May 8, 23:20 UTC | May 9, 23:15 UTC | 23h 55m |
| 2026-05-08 | TAY1841 | LEJ → MIA | May 8, 21:40 UTC | May 9, 01:45 UTC | 4h 5m |
| 2026-05-07 | TAY812 | TNA → LGG | May 7, 22:30 UTC | May 8, 12:25 UTC | 13h 55m |
| 2026-05-07 | TAY812 | TNA → LGG | May 7, 16:15 UTC | May 8, 12:25 UTC | 20h 9m |
| 2026-05-07 | TAY812 | TNA → LGG | May 7, 10:05 UTC | May 8, 09:14 UTC | 23h 10m |
| 2026-05-07 | TAY811 | LGG → TNA | May 7, 06:30 UTC | May 7, 22:50 UTC | 16h 20m |
| 2026-05-02 | TAY1842 | ALA → LGG | May 2, 22:40 UTC | May 2, 23:55 UTC | 1h 15m |
| 2026-05-01 | TAY1841 | LEJ → MIA | May 1, 23:20 UTC | May 2, 23:15 UTC | 23h 56m |
| 2026-05-01 | TAY1841 | LEJ → MIA | May 1, 22:10 UTC | May 2, 00:40 UTC | 2h 30m |
| 2026-05-01 | TAY827 | - | May 1, 08:05 UTC | May 1, 12:30 UTC | 4h 25m |
| 2026-04-30 | TAY827 | - | Apr 30, 09:25 UTC | May 1, 09:15 UTC | 23h 50m |
| 2026-04-30 | TAY826 | LGG → LGG | Apr 30, 06:05 UTC | Apr 30, 10:05 UTC | 4h 0m |
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 OE-IFB page for operator, model, and routing details .