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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
- 9 Nov 2026, 19:58
- Logged visits
- 1,225
The station's story
- Cumulative contact time
- 404 h
- Distinct days
- 750
- Highest captured altitude
- 45,000 ft
- 1 corrupted frame(s) excluded from this maximum
- Discovery rank
- #38,109 of 60,661
- Longest contact
- 2 h 1 min
Observed callsigns
FSE (776 contacts, 2020-2024) · TSW (288 contacts, 2025-2026)
Operator as per the registry of 9 Nov 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| TSW4W | route not resolved | 14 May 2025, 10:3014 May 2025 | 14 May 2025, 10:41 | 35,000 ft | 58 |
| TSW4W | route not resolved | 8 May 2025, 20:118 May 2025 | 8 May 2025, 20:28 | 20,375 ft | 323 |
| TSW4W | route not resolved | 8 May 2025, 16:388 May 2025 | 8 May 2025, 16:48 | 38,275 ft | 127 |
| TSW4W | route not resolved | 8 May 2025, 12:298 May 2025 | 8 May 2025, 12:47 | 12,950 ft | 1,050 |
| TSW4W | route not resolved | 7 May 2025, 14:187 May 2025 | 7 May 2025, 14:47 | 22,850 ft | 1,093 |
| TSW4W | route not resolved | 5 May 2025, 07:295 May 2025 | 5 May 2025, 07:48 | 24,000 ft | 937 |
| TSW4W | route not resolved | 4 May 2025, 17:034 May 2025 | 4 May 2025, 17:20 | not transmitted | 682 |
| TSW4W | route not resolved | 4 May 2025, 14:314 May 2025 | 4 May 2025, 15:03 | 29,000 ft | 1,434 |
| not transmitted | route not resolved | 4 May 2025, 12:054 May 2025 | 4 May 2025, 12:05 | 19,025 ft | no position received |
| TSW4W | route not resolved | 3 May 2025, 13:133 May 2025 | 3 May 2025, 13:22 | 23,000 ft | 78 |
| not transmitted | route not resolved | 3 May 2025, 12:073 May 2025 | 3 May 2025, 12:08 | 20,225 ft | 1 |
| TSW4W | route not resolved | 28 Apr 2025, 15:5528 Apr 2025 | 28 Apr 2025, 16:23 | 21,000 ft | 922 |
| TSW4W | route not resolved | 27 Apr 2025, 16:4527 Apr 2025 | 27 Apr 2025, 17:20 | not transmitted | 2,090 |
| TSW4W | route not resolved | 25 Apr 2025, 19:3125 Apr 2025 | 25 Apr 2025, 20:16 | 41,000 ft | 2,779 |
| TSW4W | route not resolved | 25 Apr 2025, 12:2525 Apr 2025 | 25 Apr 2025, 12:45 | not transmitted | 973 |
| TSW4W | route not resolved | 25 Apr 2025, 10:0025 Apr 2025 | 25 Apr 2025, 10:22 | 19,000 ft | 1,096 |
| TSW4W | route not resolved | 24 Apr 2025, 19:4424 Apr 2025 | 24 Apr 2025, 20:17 | not transmitted | 2,623 |
| TSW4W | route not resolved | 21 Apr 2025, 10:4021 Apr 2025 | 21 Apr 2025, 11:22 | 33,000 ft | 1,238 |
| not transmitted | route not resolved | 18 Apr 2025, 15:0018 Apr 2025 | 18 Apr 2025, 15:02 | 31,250 ft | no position received |
| not transmitted | route not resolved | 17 Apr 2025, 15:1617 Apr 2025 | 17 Apr 2025, 15:27 | 36,175 ft | 4 |
| TSW4W | route not resolved | 15 Apr 2025, 18:2115 Apr 2025 | 15 Apr 2025, 18:35 | 13,875 ft | 838 |
| TSW4W | route not resolved | 15 Apr 2025, 08:0615 Apr 2025 | 15 Apr 2025, 08:23 | 34,000 ft | 711 |
| TSW4W | route not resolved | 11 Apr 2025, 18:5011 Apr 2025 | 11 Apr 2025, 19:03 | 12,025 ft | 616 |
| TSW4W | route not resolved | 11 Apr 2025, 17:1311 Apr 2025 | 11 Apr 2025, 17:47 | 27,800 ft | 1,598 |
| TSW4W | route not resolved | 11 Apr 2025, 08:1911 Apr 2025 | 11 Apr 2025, 08:57 | 41,000 ft | 2,573 |
