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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
- 11 Aug 2026, 08:50
- Logged visits
- 1,164
The station's story
- Cumulative contact time
- 381 h
- Distinct days
- 710
- Highest captured altitude
- 45,000 ft
- 1 corrupted frame(s) excluded from this maximum
- Discovery rank
- #37,853 of 57,441
- Longest contact
- 2 h 1 min
Observed callsigns
FSE (776 contacts, 2020-2024) · TSW (232 contacts, 2025-2026)
Operator as per the registry of 29 Jul 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| 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 |
| TSW4W | route not resolved | 26 Mar 2026, 14:3526 Mar 2026 | 26 Mar 2026, 14:51 | 14,700 ft | 763 |
| TSW4W | route not resolved | 26 Mar 2026, 11:2426 Mar 2026 | 26 Mar 2026, 11:42 | 24,000 ft | 945 |
| TSW4W | route not resolved | 15 Mar 2026, 14:3015 Mar 2026 | 15 Mar 2026, 15:02 | 25,375 ft | 2,131 |
| TSW4W | route not resolved | 14 Mar 2026, 18:1014 Mar 2026 | 14 Mar 2026, 18:29 | 13,900 ft | 1,188 |
| TSW4W | route not resolved | 13 Mar 2026, 17:4413 Mar 2026 | 13 Mar 2026, 18:00 | 18,825 ft | 173 |
| TSW4W | route not resolved | 13 Mar 2026, 09:0713 Mar 2026 | 13 Mar 2026, 09:25 | 16,775 ft | 1,064 |
| TSW4W | route not resolved | 12 Mar 2026, 15:1312 Mar 2026 | 12 Mar 2026, 15:36 | 29,000 ft | 1,263 |
| TSW4W | route not resolved | 12 Mar 2026, 11:5412 Mar 2026 | 12 Mar 2026, 12:31 | not transmitted | 2,833 |
| TSW4W | route not resolved | 12 Mar 2026, 09:3012 Mar 2026 | 12 Mar 2026, 09:37 | 34,000 ft | 95 |
| TSW4W | route not resolved | 8 Mar 2026, 19:578 Mar 2026 | 8 Mar 2026, 20:13 | 18,650 ft | 215 |
| TSW4W | route not resolved | 8 Mar 2026, 16:418 Mar 2026 | 8 Mar 2026, 16:49 | 29,000 ft | 48 |
| TSW4W | route not resolved | 6 Mar 2026, 20:336 Mar 2026 | 6 Mar 2026, 20:51 | 20,025 ft | 139 |
| TSW4W | route not resolved | 6 Mar 2026, 18:506 Mar 2026 | 6 Mar 2026, 18:54 | 29,000 ft | 11 |
| TSW4W | route not resolved | 26 Feb 2026, 18:3126 Feb 2026 | 26 Feb 2026, 19:03 | 32,300 ft | 1,131 |
| TSW4W | route not resolved | 24 Feb 2026, 19:5224 Feb 2026 | 24 Feb 2026, 20:24 | 32,025 ft | 2,052 |
| TSW4W | route not resolved | 23 Feb 2026, 15:3923 Feb 2026 | 23 Feb 2026, 16:16 | 22,675 ft | 1,989 |
