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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 60,435
- 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 |
|---|---|---|---|---|---|
| not transmitted | route not resolved | 25 Dec 2025, 16:2025 Dec 2025 | 25 Dec 2025, 16:20 | 9,000 ft | no position received |
| not transmitted | route not resolved | 18 Dec 2025, 20:0918 Dec 2025 | 18 Dec 2025, 20:09 | 15,725 ft | no position received |
| TSW4W | route not resolved | 11 Dec 2025, 17:2611 Dec 2025 | 11 Dec 2025, 17:37 | 19,000 ft | 63 |
| TSW4W | route not resolved | 11 Dec 2025, 16:2411 Dec 2025 | 11 Dec 2025, 16:47 | 7,425 ft | 244 |
| TSW4W | route not resolved | 11 Dec 2025, 08:5211 Dec 2025 | 11 Dec 2025, 09:09 | 36,700 ft | 310 |
| TSW4W | route not resolved | 10 Nov 2025, 20:2310 Nov 2025 | 10 Nov 2025, 20:47 | 15,000 ft | 1,174 |
| TSW4W | route not resolved | 10 Nov 2025, 19:3910 Nov 2025 | 10 Nov 2025, 19:56 | not transmitted | 1,015 |
| TSW4W | route not resolved | 9 Nov 2025, 11:579 Nov 2025 | 9 Nov 2025, 12:12 | 19,900 ft | 533 |
| TSW4W | route not resolved | 7 Nov 2025, 14:477 Nov 2025 | 7 Nov 2025, 15:28 | not transmitted | 2,283 |
| TSW4W | route not resolved | 6 Nov 2025, 17:126 Nov 2025 | 6 Nov 2025, 17:52 | 38,000 ft | 2,786 |
| TSW4W | route not resolved | 5 Nov 2025, 18:465 Nov 2025 | 5 Nov 2025, 19:02 | 15,700 ft | 944 |
| TSW4W | route not resolved | 3 Nov 2025, 14:023 Nov 2025 | 3 Nov 2025, 14:29 | 34,000 ft | 1,332 |
| TSW4W | route not resolved | 1 Nov 2025, 17:291 Nov 2025 | 1 Nov 2025, 17:43 | 8,000 ft | 1,261 |
| TSW4W | route not resolved | 1 Nov 2025, 16:061 Nov 2025 | 1 Nov 2025, 16:33 | not transmitted | 2,033 |
| TSW4W | route not resolved | 31 Oct 2025, 18:0331 Oct 2025 | 31 Oct 2025, 18:37 | 24,725 ft | 1,823 |
| TSW4W | route not resolved | 31 Oct 2025, 15:1331 Oct 2025 | 31 Oct 2025, 15:46 | 41,000 ft | 1,068 |
| not transmitted | route not resolved | 30 Oct 2025, 12:1730 Oct 2025 | 30 Oct 2025, 12:22 | 35,000 ft | 10 |
| not transmitted | route not resolved | 27 Oct 2025, 11:2327 Oct 2025 | 27 Oct 2025, 11:27 | 27,000 ft | no position received |
| TSW4W | route not resolved | 24 Oct 2025, 15:0624 Oct 2025 | 24 Oct 2025, 15:32 | 9,550 ft | 1,428 |
| TSW4W | route not resolved | 24 Oct 2025, 08:5524 Oct 2025 | 24 Oct 2025, 09:31 | 24,375 ft | 1,032 |
| TSW4W | route not resolved | 18 Oct 2025, 13:2618 Oct 2025 | 18 Oct 2025, 13:52 | 12,400 ft | 1,023 |
| TSW4W | route not resolved | 18 Oct 2025, 09:0918 Oct 2025 | 18 Oct 2025, 09:36 | 38,000 ft | 1,162 |
| TSW4W | route not resolved | 8 Oct 2025, 18:248 Oct 2025 | 8 Oct 2025, 18:38 | 20,100 ft | 193 |
| TSW4W | route not resolved | 23 Sept 2025, 14:3923 Sept 2025 | 23 Sept 2025, 14:58 | 41,000 ft | 101 |
| TSW4W | route not resolved | 22 Sept 2025, 16:0522 Sept 2025 | 22 Sept 2025, 16:25 | 41,000 ft | 629 |
