sensors Mode-S transponder
461F4A
ICAO 24-bit transponder address · allocated to Finland
Currently assigned to OH-LWC · AIRBUS A-350-900
- Hex
- 461F4A
- Octal
- 21417512
- Decimal
- 4,595,530
- Country
- FI
- Tail
- OH-LWC
- Type
- A359
- Flights observed
- 81
- Distinct callsigns
- 20
- Country
- FI
- Last broadcast
- 1d ago
Last known position
Country allocation
The ICAO 24-bit address 461F4A falls within the block assigned to Finland (FI) by ICAO Annex 10, Volume III. Every aircraft registered in Finland 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 |
|---|---|---|---|
| FIN142 | Finnair | 9 | 2026-05-29 |
| FIN141 | Finnair | 8 | 2026-05-28 |
| FIN73 | Finnair | 7 | 2026-05-16 |
| FIN68 | Finnair | 7 | 2026-05-20 |
| FIN67 | Finnair | 6 | 2026-05-19 |
| FIN62 | Finnair | 6 | 2026-05-22 |
| FIN74 | Finnair | 5 | 2026-05-17 |
| FIN61 | Finnair | 5 | 2026-05-21 |
| FIN2 | Finnair | 4 | 2026-04-17 |
| FIN1 | Finnair | 3 | 2026-04-16 |
| FIN87 | Finnair | 2 | 2026-04-15 |
| FIN7LP | Finnair | 2 | 2026-05-21 |
| FIN3ML | Finnair | 2 | 2026-05-21 |
| FIN1DH | Finnair | 2 | 2026-05-26 |
| FIN1DF | Finnair | 2 | 2026-05-26 |
| FIN132 | Finnair | 2 | 2026-05-27 |
| FIN131 | Finnair | 2 | 2026-05-26 |
| FIN9AD | Finnair | 1 | 2026-05-10 |
| FIN88 | Finnair | 1 | 2026-04-15 |
| FIN47U | Finnair | 1 | 2026-05-10 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | FIN142 | BKK → HEL | May 29, 01:35 UTC | May 29, 02:30 UTC | 55m |
| 2026-05-28 | FIN141 | HEL → BKK | May 28, 12:00 UTC | May 28, 22:15 UTC | 10h 15m |
| 2026-05-27 | FIN132 | SIN → HEL | May 27, 14:00 UTC | May 28, 03:05 UTC | 13h 5m |
| 2026-05-26 | FIN131 | HEL → SIN | May 26, 21:49 UTC | May 27, 09:25 UTC | 11h 36m |
| 2026-05-26 | FIN1DF | SPU → HEL | May 26, 11:39 UTC | May 26, 13:45 UTC | 2h 5m |
| 2026-05-26 | FIN1DH | HEL → MUC | May 26, 07:24 UTC | May 26, 09:29 UTC | 2h 5m |
| 2026-05-24 | FIN132 | SIN → HEL | May 24, 13:55 UTC | May 24, 18:50 UTC | 4h 55m |
| 2026-05-23 | FIN131 | HEL → SIN | May 23, 21:45 UTC | May 24, 10:15 UTC | 12h 30m |
| 2026-05-22 | FIN62 | HKG → HEL | May 22, 13:15 UTC | May 23, 01:15 UTC | 12h 0m |
| 2026-05-21 | FIN61 | HEL → HKG | May 21, 15:45 UTC | May 22, 04:40 UTC | 12h 55m |
| 2026-05-21 | FIN7LP | HEL → BLQ | May 21, 09:35 UTC | May 21, 11:55 UTC | 2h 20m |
| 2026-05-21 | FIN3ML | HEL → LHR | May 21, 05:15 UTC | May 21, 07:45 UTC | 2h 30m |
| 2026-05-20 | FIN68 | KIX → HEL | May 20, 13:35 UTC | May 21, 02:05 UTC | 12h 30m |
| 2026-05-19 | FIN67 | HEL → KIX | May 19, 15:05 UTC | May 20, 03:30 UTC | 12h 25m |
| 2026-05-19 | FIN142 | BKK → HEL | May 19, 00:20 UTC | May 19, 11:35 UTC | 11h 15m |
| 2026-05-18 | FIN141 | HEL → BKK | May 18, 11:15 UTC | May 18, 22:00 UTC | 10h 44m |
| 2026-05-17 | FIN74 | NRT → HEL | May 17, 14:20 UTC | May 18, 02:40 UTC | 12h 20m |
| 2026-05-16 | FIN73 | HEL → NRT | May 16, 15:20 UTC | May 17, 03:45 UTC | 12h 25m |
| 2026-05-16 | FIN142 | BKK → HEL | May 16, 01:55 UTC | May 16, 11:51 UTC | 9h 56m |
| 2026-05-16 | FIN142 | BKK → HEL | May 16, 00:15 UTC | May 16, 00:35 UTC | 20m |
| 2026-05-15 | FIN141 | HEL → BKK | May 15, 21:45 UTC | May 15, 22:00 UTC | 15m |
| 2026-05-15 | FIN141 | HEL → BKK | May 15, 11:15 UTC | May 15, 20:15 UTC | 8h 59m |
| 2026-05-15 | FIN62 | HKG → HEL | May 15, 04:30 UTC | May 15, 05:10 UTC | 40m |
| 2026-05-14 | FIN62 | HKG → HEL | May 14, 13:15 UTC | May 15, 02:05 UTC | 12h 50m |
| 2026-05-13 | FIN61 | HEL → HKG | May 13, 15:40 UTC | May 14, 04:30 UTC | 12h 50m |
| 2026-05-13 | FIN142 | BKK → HEL | May 13, 12:45 UTC | May 13, 12:50 UTC | 5m |
| 2026-05-13 | FIN142 | BKK → HEL | May 13, 01:00 UTC | May 13, 09:40 UTC | 8h 40m |
| 2026-05-12 | FIN141 | HEL → BKK | May 12, 11:20 UTC | May 12, 21:55 UTC | 10h 35m |
| 2026-05-11 | FIN74 | NRT → HEL | May 11, 14:20 UTC | May 11, 20:25 UTC | 6h 6m |
| 2026-05-10 | FIN73 | HEL → NRT | May 10, 14:59 UTC | May 11, 03:25 UTC | 12h 25m |
| 2026-05-10 | FIN9AD | AMS → HEL | May 10, 10:24 UTC | May 10, 12:25 UTC | 2h 0m |
| 2026-05-10 | FIN47U | HEL → AMS | May 10, 05:20 UTC | May 10, 07:19 UTC | 2h 0m |
| 2026-05-09 | FIN74 | NRT → HEL | May 9, 14:15 UTC | May 10, 02:04 UTC | 11h 50m |
| 2026-05-08 | FIN73 | HEL → NRT | May 8, 15:05 UTC | May 9, 03:55 UTC | 12h 50m |
| 2026-05-08 | FIN142 | BKK → HEL | May 8, 00:14 UTC | May 8, 12:10 UTC | 11h 55m |
| 2026-05-07 | FIN141 | HEL → BKK | May 7, 11:30 UTC | May 7, 20:45 UTC | 9h 15m |
| 2026-05-06 | FIN68 | KIX → HEL | May 6, 13:35 UTC | May 7, 02:00 UTC | 12h 24m |
| 2026-05-05 | FIN67 | HEL → KIX | May 5, 14:55 UTC | May 5, 17:35 UTC | 2h 40m |
| 2026-05-05 | FIN16 | JFK → HEL | May 5, 03:10 UTC | May 5, 10:25 UTC | 7h 15m |
| 2026-05-04 | FIN15 | HEL → JFK | May 4, 14:30 UTC | May 4, 22:30 UTC | 8h 1m |
| 2026-05-03 | FIN62 | HKG → HEL | May 3, 13:10 UTC | May 4, 01:15 UTC | 12h 5m |
| 2026-05-02 | FIN61 | HEL → HKG | May 2, 15:50 UTC | May 3, 04:45 UTC | 12h 54m |
| 2026-05-01 | FIN62 | HKG → HEL | May 1, 14:30 UTC | May 2, 02:35 UTC | 12h 6m |
| 2026-04-30 | FIN61 | HEL → HKG | Apr 30, 15:45 UTC | May 1, 04:20 UTC | 12h 35m |
| 2026-04-30 | FIN142 | BKK → HEL | Apr 30, 00:15 UTC | Apr 30, 12:25 UTC | 12h 10m |
| 2026-04-29 | FIN141 | HEL → BKK | Apr 29, 11:10 UTC | Apr 29, 21:25 UTC | 10h 15m |
| 2026-04-28 | FIN68 | KIX → HEL | Apr 28, 15:55 UTC | Apr 29, 04:39 UTC | 12h 45m |
| 2026-04-27 | FIN67 | HEL → KIX | Apr 27, 15:00 UTC | Apr 28, 03:20 UTC | 12h 20m |
| 2026-04-26 | FIN20 | DFW → HEL | Apr 26, 23:30 UTC | Apr 27, 08:30 UTC | 9h 0m |
| 2026-04-26 | FIN19 | HEL → DFW | Apr 26, 10:00 UTC | Apr 26, 20:20 UTC | 10h 20m |
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 OH-LWC page for operator, model, and routing details .