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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
- #37,861 of 57,134
- Longest contact
- 2 h 1 min
Observed callsigns
FSE (776 contacts, 2020-2024) · TSW (232 contacts, 2025-2026)
Operator as per the registry of 12 Aug 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| FSE1C | route not resolved | 22 May 2023, 08:4722 May 2023 | 22 May 2023, 09:10 | 28,000 ft | 1,141 |
| FSE1C | route not resolved | 21 May 2023, 16:3121 May 2023 | 21 May 2023, 16:48 | 5,750 ft | 467 |
| FSE1C | route not resolved | 21 May 2023, 13:1621 May 2023 | 21 May 2023, 13:44 | 39,900 ft | 1,141 |
| FSE1C | route not resolved | 20 May 2023, 14:0920 May 2023 | 20 May 2023, 14:51 | 26,925 ft | 1,473 |
| FSE1C | route not resolved | 19 May 2023, 12:5719 May 2023 | 19 May 2023, 13:23 | 23,625 ft | 1,045 |
| FSE1C | route not resolved | 19 May 2023, 07:4019 May 2023 | 19 May 2023, 08:09 | 38,000 ft | 1,551 |
| FSE1C | route not resolved | 14 May 2023, 14:2614 May 2023 | 14 May 2023, 14:51 | 37,000 ft | 1,424 |
| FSE1C | route not resolved | 13 May 2023, 13:4013 May 2023 | 13 May 2023, 13:58 | 17,475 ft | 394 |
| FSE1C | route not resolved | 13 May 2023, 09:4913 May 2023 | 13 May 2023, 10:11 | 33,000 ft | 1,242 |
| FSE1C | route not resolved | 2 May 2023, 21:292 May 2023 | 2 May 2023, 21:46 | 35,075 ft | 840 |
| not transmitted | route not resolved | 29 Apr 2023, 18:2629 Apr 2023 | 29 Apr 2023, 18:27 | 31,000 ft | no position received |
| FSE1C | route not resolved | 28 Apr 2023, 14:4428 Apr 2023 | 28 Apr 2023, 15:05 | 11,350 ft | 858 |
| FSE1C | route not resolved | 28 Apr 2023, 12:1428 Apr 2023 | 28 Apr 2023, 12:37 | 30,000 ft | 944 |
| not transmitted | route not resolved | 25 Apr 2023, 12:1225 Apr 2023 | 25 Apr 2023, 12:12 | 28,050 ft | no position received |
| FSE1C | route not resolved | 25 Apr 2023, 09:5125 Apr 2023 | 25 Apr 2023, 10:12 | 12,350 ft | 1,197 |
| not transmitted | route not resolved | 24 Apr 2023, 13:1524 Apr 2023 | 24 Apr 2023, 13:16 | 17,425 ft | 1 |
| FSE1C | route not resolved | 23 Apr 2023, 16:1023 Apr 2023 | 23 Apr 2023, 16:30 | 6,400 ft | 580 |
| FSE1C | route not resolved | 19 Apr 2023, 13:1019 Apr 2023 | 19 Apr 2023, 13:27 | 31,000 ft | 1,067 |
| not transmitted | route not resolved | 18 Apr 2023, 17:1418 Apr 2023 | 18 Apr 2023, 17:17 | 26,325 ft | 35 |
| FSE1C | route not resolved | 18 Apr 2023, 09:5718 Apr 2023 | 18 Apr 2023, 10:18 | 36,000 ft | 1,235 |
| FSE1C | route not resolved | 17 Apr 2023, 16:5117 Apr 2023 | 17 Apr 2023, 17:31 | 20,950 ft | 2,119 |
| FSE1C | route not resolved | 14 Apr 2023, 10:5414 Apr 2023 | 14 Apr 2023, 11:36 | 37,000 ft | 2,728 |
| FSE1C | route not resolved | 1 Apr 2023, 09:421 Apr 2023 | 1 Apr 2023, 10:04 | 30,000 ft | 977 |
| FSE1C | route not resolved | 31 Mar 2023, 16:2931 Mar 2023 | 31 Mar 2023, 17:05 | not transmitted | 2,939 |
| not transmitted | route not resolved | 30 Mar 2023, 13:5730 Mar 2023 | 30 Mar 2023, 13:57 | 26,350 ft | no position received |
