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Aircraft
HB-VTW
Common
- Mode S hex
- 4B3978
- Manufacturer
- Textron Aviation
- Serial number
- 525-1044
- Year built
- 20197 years old
- Operator
- Alpine Flightservice
- Country of registration
Switzerland
- First contact
- 14 May 2020, 14:24
- Last contact
- 15 Oct 2026, 17:21
- Logged visits
- 1,208
The station's story
- Cumulative contact time
- 398 h
- Distinct days
- 740
- Highest captured altitude
- 45,000 ft
- 1 corrupted frame(s) excluded from this maximum
- Discovery rank
- #38,084 of 60,433
- Longest contact
- 2 h 1 min
Observed callsigns
FSE (776 contacts, 2020-2024) · TSW (273 contacts, 2025-2026)
Operator as per the registry of 12 Oct 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| TSW4W | route not resolved | 25 Jul 2026, 14:2525 Jul 2026 | 25 Jul 2026, 14:57 | 23,325 ft | 1,405 |
| TSW4W | route not resolved | 25 Jul 2026, 12:0125 Jul 2026 | 25 Jul 2026, 12:25 | 9,950 ft | 910 |
| TSW4W | route not resolved | 21 Jul 2026, 08:4321 Jul 2026 | 21 Jul 2026, 09:13 | 41,000 ft | 1,295 |
| TSW4W | route not resolved | 21 Jul 2026, 06:0821 Jul 2026 | 21 Jul 2026, 06:35 | 23,100 ft | 2,352 |
| TSW4W | route not resolved | 18 Jul 2026, 16:1718 Jul 2026 | 18 Jul 2026, 16:48 | not transmitted | 2,092 |
| TSW4W | route not resolved | 16 Jul 2026, 17:1316 Jul 2026 | 16 Jul 2026, 17:32 | 30,325 ft | 58 |
| TSW4W | route not resolved | 14 Jul 2026, 14:4614 Jul 2026 | 14 Jul 2026, 15:07 | 32,825 ft | 463 |
| TSW4W | route not resolved | 13 Jul 2026, 14:1413 Jul 2026 | 13 Jul 2026, 14:55 | not transmitted | 2,018 |
| TSW4W | route not resolved | 10 Jul 2026, 11:0310 Jul 2026 | 10 Jul 2026, 11:21 | 33,000 ft | 69 |
| TSW4W | route not resolved | 10 Jul 2026, 09:1810 Jul 2026 | 10 Jul 2026, 09:31 | 6,425 ft | 210 |
| TSW4W | route not resolved | 9 Jul 2026, 17:519 Jul 2026 | 9 Jul 2026, 18:09 | 12,050 ft | 1,022 |
| TSW4W | route not resolved | 8 Jul 2026, 12:258 Jul 2026 | 8 Jul 2026, 13:12 | 41,000 ft | 1,976 |
| TSW4W | route not resolved | 6 Jul 2026, 10:296 Jul 2026 | 6 Jul 2026, 10:55 | 19,000 ft | 835 |
| TSW4W | route not resolved | 6 Jul 2026, 07:416 Jul 2026 | 6 Jul 2026, 08:12 | 21,825 ft | 1,671 |
| TSW4W | route not resolved | 5 Jul 2026, 18:075 Jul 2026 | 5 Jul 2026, 18:17 | 41,000 ft | 245 |
| TSW4W | route not resolved | 4 Jul 2026, 14:504 Jul 2026 | 4 Jul 2026, 15:20 | 29,050 ft | 1,827 |
| TSW4W | route not resolved | 4 Jul 2026, 13:014 Jul 2026 | 4 Jul 2026, 13:12 | 16,675 ft | 341 |
| TSW4W | route not resolved | 4 Jul 2026, 11:224 Jul 2026 | 4 Jul 2026, 11:41 | 10,225 ft | 408 |
| TSW4W | route not resolved | 3 Jul 2026, 18:053 Jul 2026 | 3 Jul 2026, 18:32 | 29,000 ft | 465 |
| TSW4W | route not resolved | 3 Jul 2026, 16:583 Jul 2026 | 3 Jul 2026, 17:28 | not transmitted | 1,760 |
| TSW4W | route not resolved | 3 Jul 2026, 07:253 Jul 2026 | 3 Jul 2026, 07:58 | 23,000 ft | 429 |
| TSW4W | route not resolved | 2 Jul 2026, 19:182 Jul 2026 | 2 Jul 2026, 19:52 | not transmitted | 2,408 |
| TSW4W | route not resolved | 2 Jul 2026, 08:242 Jul 2026 | 2 Jul 2026, 08:48 | 34,375 ft | 1,179 |
| not transmitted | route not resolved | 25 Jun 2026, 15:0525 Jun 2026 | 25 Jun 2026, 15:05 | 31,000 ft | no position received |
| TSW4W | route not resolved | 22 Jun 2026, 07:1222 Jun 2026 | 22 Jun 2026, 07:35 | 34,000 ft | 1,398 |
