sensors Mode-S transponder
478757
ICAO 24-bit transponder address · allocated to Norway
Currently assigned to LN-ONW · SIKORSKY S-92 Helibus
- Hex
- 478757
- Octal
- 21703527
- Decimal
- 4,687,703
- Country
- NO
- Tail
- LN-ONW
- Type
- S92
- Flights observed
- 26
- Distinct callsigns
- 11
- Country
- NO
- Last broadcast
- Jul 21, 18:15 UTC
Last known position
Country allocation
The ICAO 24-bit address 478757 falls within the block assigned to Norway (NO) by ICAO Annex 10, Volume III. Every aircraft registered in Norway 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 11 distinct
Recent flights last 26
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-21 | NOR350 | - | Jul 21, 18:05 UTC | Jul 21, 18:15 UTC | 10m |
| 2026-07-16 | NOR426 | - | Jul 16, 16:49 UTC | Jul 16, 17:14 UTC | 25m |
| 2026-07-15 | NOR454 | - | Jul 15, 12:05 UTC | Jul 15, 12:55 UTC | 50m |
| 2026-07-14 | NOR350 | - | Jul 14, 18:05 UTC | Jul 14, 20:25 UTC | 2h 20m |
| 2026-07-14 | NOR305 | - | Jul 14, 15:20 UTC | Jul 14, 15:55 UTC | 35m |
| 2026-07-03 | NOR426 | - | Jul 3, 09:50 UTC | Jul 3, 10:00 UTC | 10m |
| 2026-06-24 | NOR311 | - | Jun 24, 07:30 UTC | Jun 24, 07:40 UTC | 10m |
| 2026-06-23 | NOR350 | - | Jun 23, 20:19 UTC | Jun 23, 20:34 UTC | 15m |
| 2026-06-23 | NOR350 | - | Jun 23, 19:24 UTC | Jun 23, 19:29 UTC | 5m |
| 2026-06-23 | NOR350 | - | Jun 23, 17:59 UTC | Jun 23, 18:10 UTC | 10m |
| 2026-06-23 | NOR305 | - | Jun 23, 15:09 UTC | Jun 23, 15:15 UTC | 5m |
| 2026-06-23 | NOR415 | - | Jun 23, 05:59 UTC | Jun 23, 06:09 UTC | 10m |
| 2026-06-20 | NOR418 | - | Jun 20, 13:24 UTC | Jun 20, 13:34 UTC | 10m |
| 2026-06-06 | NOR358 | - | Jun 6, 13:30 UTC | Jun 6, 14:00 UTC | 30m |
| 2026-06-03 | NOR395 | - | Jun 3, 16:25 UTC | Jun 3, 16:35 UTC | 10m |
| 2026-05-25 | NOR81T | - | May 25, 17:10 UTC | May 25, 17:25 UTC | 15m |
| 2026-04-24 | NOR350 | - | Apr 24, 14:20 UTC | Apr 24, 15:25 UTC | 1h 5m |
| 2026-04-24 | NOR415 | - | Apr 24, 05:50 UTC | Apr 24, 06:00 UTC | 10m |
| 2026-04-22 | NOR350 | - | Apr 22, 18:50 UTC | Apr 22, 19:35 UTC | 45m |
| 2026-04-22 | NOR304 | - | Apr 22, 13:20 UTC | Apr 22, 15:25 UTC | 2h 5m |
| 2026-04-22 | NOR415 | - | Apr 22, 08:45 UTC | Apr 22, 08:55 UTC | 10m |
| 2026-04-22 | NOR426 | - | Apr 22, 06:45 UTC | Apr 22, 07:00 UTC | 15m |
| 2026-04-22 | NOR426 | - | Apr 22, 05:05 UTC | Apr 22, 05:20 UTC | 15m |
| 2026-04-21 | NOR350 | - | Apr 21, 18:00 UTC | Apr 21, 18:35 UTC | 35m |
| 2026-04-21 | NOR81T | - | Apr 21, 05:10 UTC | Apr 21, 05:20 UTC | 10m |
| 2026-04-18 | - | - | Apr 18, 12:30 UTC | Apr 18, 12:40 UTC | 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 LN-ONW page for operator, model, and routing details .