sensors Mode-S transponder
461F4D
ICAO 24-bit transponder address · allocated to Finland
Currently assigned to OH-LWF · AIRBUS A-350-900
- Hex
- 461F4D
- Octal
- 21417515
- Decimal
- 4,595,533
- Country
- FI
- Tail
- OH-LWF
- Type
- A359
- Flights observed
- 102
- Distinct callsigns
- 20
- Country
- FI
- Last broadcast
- 7h ago
Last known position
Country allocation
The ICAO 24-bit address 461F4D 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 |
|---|---|---|---|
| FIN61 | Finnair | 10 | 2026-05-24 |
| FIN62 | Finnair | 9 | 2026-05-24 |
| FIN142 | Finnair | 9 | 2026-05-23 |
| FIN141 | Finnair | 9 | 2026-05-22 |
| FIN73 | Finnair | 8 | 2026-05-29 |
| FIN67 | Finnair | 8 | 2026-05-20 |
| FIN74 | Finnair | 7 | 2026-05-27 |
| FIN68 | Finnair | 7 | 2026-05-21 |
| FIN7LP | Finnair | 5 | 2026-05-20 |
| FIN3ML | Finnair | 5 | 2026-05-20 |
| FIN2 | Finnair | 3 | 2026-05-29 |
| FIN1DH | Finnair | 3 | 2026-04-28 |
| FIN1DF | Finnair | 3 | 2026-04-28 |
| FIN131 | Finnair | 3 | 2026-05-16 |
| FIN1 | Finnair | 3 | 2026-05-28 |
| FIN9AD | Finnair | 2 | 2026-04-26 |
| FIN88 | Finnair | 2 | 2026-04-22 |
| FIN87 | Finnair | 2 | 2026-04-21 |
| FIN47U | Finnair | 2 | 2026-04-26 |
| FIN132 | Finnair | 2 | 2026-05-17 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | FIN73 | HEL → NRT | May 29, 15:00 UTC | May 29, 17:30 UTC | 2h 30m |
| 2026-05-29 | FIN2 | LAX → HEL | May 29, 03:00 UTC | May 29, 12:55 UTC | 9h 55m |
| 2026-05-28 | FIN1 | HEL → LAX | May 28, 14:05 UTC | May 29, 00:50 UTC | 10h 45m |
| 2026-05-27 | FIN74 | NRT → HEL | May 27, 14:25 UTC | May 28, 02:40 UTC | 12h 15m |
| 2026-05-26 | FIN73 | HEL → NRT | May 26, 15:14 UTC | May 27, 03:50 UTC | 12h 35m |
| 2026-05-26 | FIN2 | LAX → HEL | May 26, 02:44 UTC | May 26, 12:40 UTC | 9h 55m |
| 2026-05-25 | FIN1 | HEL → LAX | May 25, 14:00 UTC | May 26, 00:35 UTC | 10h 35m |
| 2026-05-24 | FIN62 | HKG → HEL | May 24, 13:15 UTC | May 24, 23:35 UTC | 10h 20m |
| 2026-05-24 | FIN61 | HEL → HKG | May 24, 03:35 UTC | May 24, 04:25 UTC | 50m |
| 2026-05-23 | FIN61 | HEL → HKG | May 23, 15:40 UTC | May 23, 22:35 UTC | 6h 56m |
| 2026-05-23 | FIN142 | BKK → HEL | May 23, 00:10 UTC | May 23, 01:15 UTC | 1h 5m |
| 2026-05-22 | FIN141 | HEL → BKK | May 22, 11:20 UTC | May 22, 21:50 UTC | 10h 31m |
| 2026-05-21 | FIN68 | KIX → HEL | May 21, 13:30 UTC | May 22, 01:45 UTC | 12h 15m |
| 2026-05-20 | FIN67 | HEL → KIX | May 20, 15:00 UTC | May 21, 03:30 UTC | 12h 30m |
| 2026-05-20 | FIN7LP | HEL → BLQ | May 20, 10:05 UTC | May 20, 12:25 UTC | 2h 20m |
| 2026-05-20 | FIN3ML | HEL → LHR | May 20, 05:15 UTC | May 20, 07:55 UTC | 2h 40m |
| 2026-05-19 | FIN74 | NRT → HEL | May 19, 14:20 UTC | May 20, 02:25 UTC | 12h 5m |
| 2026-05-18 | FIN73 | HEL → NRT | May 18, 15:00 UTC | May 19, 03:35 UTC | 12h 34m |
| 2026-05-18 | FIN7LP | HEL → BLQ | May 18, 09:45 UTC | May 18, 12:05 UTC | 2h 20m |
| 2026-05-18 | FIN3ML | HEL → LHR | May 18, 05:30 UTC | May 18, 08:10 UTC | 2h 40m |
| 2026-05-17 | FIN132 | SIN → HEL | May 17, 13:50 UTC | May 17, 23:15 UTC | 9h 25m |
| 2026-05-16 | FIN131 | HEL → SIN | May 16, 21:50 UTC | May 17, 09:50 UTC | 12h 0m |
| 2026-05-15 | FIN62 | HKG → HEL | May 15, 13:35 UTC | May 16, 02:10 UTC | 12h 34m |
| 2026-05-14 | FIN61 | HEL → HKG | May 14, 15:35 UTC | May 15, 04:05 UTC | 12h 30m |
| 2026-05-14 | FIN142 | BKK → HEL | May 14, 00:20 UTC | May 14, 11:55 UTC | 11h 35m |
| 2026-05-13 | FIN141 | HEL → BKK | May 13, 11:20 UTC | May 13, 21:55 UTC | 10h 35m |
| 2026-05-12 | FIN62 | HKG → HEL | May 12, 13:35 UTC | May 13, 01:45 UTC | 12h 10m |
| 2026-05-11 | FIN61 | HEL → HKG | May 11, 15:40 UTC | May 12, 04:20 UTC | 12h 41m |
| 2026-05-10 | FIN74 | NRT → HEL | May 10, 14:25 UTC | May 11, 02:35 UTC | 12h 10m |
| 2026-05-09 | FIN73 | HEL → NRT | May 9, 15:00 UTC | May 10, 03:40 UTC | 12h 40m |
| 2026-05-09 | FIN142 | BKK → HEL | May 9, 00:20 UTC | May 9, 12:15 UTC | 11h 55m |
| 2026-05-08 | FIN141 | HEL → BKK | May 8, 11:25 UTC | May 8, 21:50 UTC | 10h 25m |
| 2026-05-07 | FIN62 | HKG → HEL | May 7, 13:40 UTC | May 8, 01:40 UTC | 12h 0m |
| 2026-05-06 | FIN61 | HEL → HKG | May 6, 15:40 UTC | May 7, 04:40 UTC | 12h 59m |
| 2026-05-06 | FIN7LP | HEL → BLQ | May 6, 09:45 UTC | May 6, 12:05 UTC | 2h 20m |
| 2026-05-06 | FIN3ML | HEL → LHR | May 6, 05:35 UTC | May 6, 08:15 UTC | 2h 40m |
| 2026-05-05 | FIN132 | SIN → HEL | May 5, 14:05 UTC | May 6, 02:50 UTC | 12h 45m |
| 2026-05-04 | FIN131 | HEL → SIN | May 4, 23:45 UTC | May 5, 09:35 UTC | 9h 50m |
| 2026-05-04 | FIN131 | HEL → SIN | May 4, 21:35 UTC | May 4, 23:40 UTC | 2h 5m |
| 2026-05-03 | FIN74 | NRT → HEL | May 3, 14:25 UTC | May 4, 02:25 UTC | 12h 0m |
| 2026-05-02 | FIN73 | HEL → NRT | May 2, 15:10 UTC | May 3, 04:05 UTC | 12h 54m |
| 2026-05-02 | FIN7LP | HEL → BLQ | May 2, 10:05 UTC | May 2, 12:25 UTC | 2h 20m |
| 2026-05-02 | FIN3ML | HEL → LHR | May 2, 05:10 UTC | May 2, 07:50 UTC | 2h 40m |
| 2026-05-01 | FIN74 | NRT → HEL | May 1, 14:20 UTC | May 2, 02:15 UTC | 11h 55m |
| 2026-04-30 | FIN73 | HEL → NRT | Apr 30, 15:10 UTC | May 1, 03:45 UTC | 12h 35m |
| 2026-04-30 | FIN7LP | HEL → BLQ | Apr 30, 09:40 UTC | Apr 30, 12:15 UTC | 2h 35m |
| 2026-04-30 | FIN3ML | HEL → LHR | Apr 30, 05:10 UTC | Apr 30, 07:45 UTC | 2h 35m |
| 2026-04-29 | FIN74 | NRT → HEL | Apr 29, 14:20 UTC | Apr 30, 02:50 UTC | 12h 29m |
| 2026-04-28 | FIN73 | HEL → NRT | Apr 28, 15:10 UTC | Apr 29, 03:45 UTC | 12h 35m |
| 2026-04-28 | FIN1DF | SPU → HEL | Apr 28, 09:50 UTC | Apr 28, 11:55 UTC | 2h 5m |
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-LWF page for operator, model, and routing details .