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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 |
|---|---|---|---|---|---|
| TSW4W | route not resolved | 16 May 2026, 00:5316 May 2026 | 16 May 2026, 01:23 | 40,000 ft | 2,830 |
| not transmitted | route not resolved | 15 May 2026, 14:3815 May 2026 | 15 May 2026, 14:48 | 33,000 ft | 4 |
| TSW4W | route not resolved | 8 May 2026, 11:038 May 2026 | 8 May 2026, 11:33 | 34,825 ft | 731 |
| TSW4W | route not resolved | 7 May 2026, 18:567 May 2026 | 7 May 2026, 19:33 | not transmitted | 2,079 |
| TSW4W | route not resolved | 7 May 2026, 13:277 May 2026 | 7 May 2026, 13:58 | 37,000 ft | 1,772 |
| TSW4W | route not resolved | 7 May 2026, 11:067 May 2026 | 7 May 2026, 11:30 | not transmitted | 1,530 |
| TSW4W | route not resolved | 6 May 2026, 09:316 May 2026 | 6 May 2026, 10:01 | 34,000 ft | 1,656 |
| TSW4W | route not resolved | 5 May 2026, 19:135 May 2026 | 5 May 2026, 19:49 | not transmitted | 2,708 |
| TSW4W | route not resolved | 5 May 2026, 07:575 May 2026 | 5 May 2026, 08:19 | 37,425 ft | 1,333 |
| TSW4W | route not resolved | 5 May 2026, 06:475 May 2026 | 5 May 2026, 07:12 | not transmitted | 2,117 |
| TSW4W | route not resolved | 3 May 2026, 08:173 May 2026 | 3 May 2026, 08:38 | 18,000 ft | 1,002 |
| TSW4W | route not resolved | 30 Apr 2026, 13:4130 Apr 2026 | 30 Apr 2026, 14:12 | not transmitted | 1,996 |
| TSW4W | route not resolved | 30 Apr 2026, 10:0630 Apr 2026 | 30 Apr 2026, 10:29 | 34,000 ft | 983 |
| TSW4W | route not resolved | 14 Apr 2026, 18:2714 Apr 2026 | 14 Apr 2026, 18:44 | 12,800 ft | 1,179 |
| TSW4W | route not resolved | 14 Apr 2026, 14:2214 Apr 2026 | 14 Apr 2026, 14:52 | 23,100 ft | 1,562 |
| TSW4W | route not resolved | 14 Apr 2026, 11:2714 Apr 2026 | 14 Apr 2026, 11:52 | 38,675 ft | 1,262 |
| TSW4W | route not resolved | 13 Apr 2026, 19:0513 Apr 2026 | 13 Apr 2026, 19:30 | 24,625 ft | 1,477 |
| TSW4W | route not resolved | 10 Apr 2026, 13:4110 Apr 2026 | 10 Apr 2026, 14:01 | 13,000 ft | 573 |
| TSW4W | route not resolved | 9 Apr 2026, 18:179 Apr 2026 | 9 Apr 2026, 18:35 | 13,450 ft | 938 |
| TSW4W | route not resolved | 9 Apr 2026, 08:249 Apr 2026 | 9 Apr 2026, 08:49 | 26,000 ft | 1,275 |
| TSW4W | route not resolved | 8 Apr 2026, 14:178 Apr 2026 | 8 Apr 2026, 14:51 | 32,125 ft | 700 |
| TSW4W | route not resolved | 7 Apr 2026, 09:447 Apr 2026 | 7 Apr 2026, 10:07 | 27,850 ft | 1,019 |
| TSW4W | route not resolved | 6 Apr 2026, 17:496 Apr 2026 | 6 Apr 2026, 18:14 | 40,000 ft | 1,034 |
| TSW4W | route not resolved | 27 Mar 2026, 16:5827 Mar 2026 | 27 Mar 2026, 17:45 | 14,050 ft | 1,807 |
| TSW4W | route not resolved | 27 Mar 2026, 07:3927 Mar 2026 | 27 Mar 2026, 08:16 | 35,975 ft | 2,646 |
