sensors Mode-S transponder
34668B
ICAO 24-bit transponder address · allocated to Spain
Currently assigned to EC-NOG · AIRBUS A-330-300
- Hex
- 34668B
- Octal
- 15063213
- Decimal
- 3,434,123
- Country
- ES
- Tail
- EC-NOG
- Type
- A333
- Flights observed
- 6
- Distinct callsigns
- 2
- Country
- ES
- Last broadcast
- 1h ago
Last known position
Country allocation
The ICAO 24-bit address 34668B falls within the block assigned to Spain (ES) by ICAO Annex 10, Volume III. Every aircraft registered in Spain 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 2 distinct
Recent flights last 6
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-04-23 | SVA9317 | - | Apr 23, 14:00 UTC | Apr 24, 10:05 UTC | 20h 5m |
| 2026-04-23 | SVA5453 | - | Apr 23, 08:50 UTC | Apr 24, 08:45 UTC | 23h 55m |
| 2026-04-23 | SVA5453 | - | Apr 23, 07:40 UTC | Apr 24, 05:05 UTC | 21h 24m |
| 2026-04-22 | SVA5453 | - | Apr 22, 22:50 UTC | Apr 23, 18:15 UTC | 19h 25m |
| 2026-04-22 | SVA5453 | - | Apr 22, 21:20 UTC | Apr 23, 18:15 UTC | 20h 55m |
| 2026-04-22 | SVA5453 | - | Apr 22, 19:05 UTC | Apr 23, 18:15 UTC | 23h 10m |
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 EC-NOG page for operator, model, and routing details .