HB9EYA, radio and ADS-B
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Aircraft

HB-VTW

Common

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Mode S hex
4B3978
Type
Cessna 525 Citation CJ1C525
Manufacturer
Textron Aviation
Serial number
525-1044
Year built
20197 years old
Operator
Alpine Flightservice
Country of registration
SwitzerlandSwitzerland
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
#38,086 of 60,448
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

CallsignFirst contactAltitude at end of contact
TSW4W21 Sept 202540,000 ft
TSW4W21 Sept 202539,000 ft
TSW4W20 Sept 202511,700 ft
TSW4W18 Sept 202518,000 ft
TSW4W18 Sept 20259,250 ft
TSW4W17 Sept 202522,500 ft
TSW4W17 Sept 20254,275 ft
TSW4W13 Sept 202512,875 ft
TSW4W11 Sept 202538,000 ft
TSW4W11 Sept 202523,700 ft
TSW4W10 Sept 202537,150 ft
TSW4W1 Sept 202512,975 ft
TSW4W1 Sept 202536,000 ft
TSW4W1 Sept 202520,200 ft
TSW4W31 Aug 202532,075 ft
TSW4W30 Aug 202534,850 ft
TSW4W30 Aug 202540,000 ft
TSW4W29 Aug 202512,950 ft
TSW4W29 Aug 202533,000 ft
TSW4W27 Aug 202536,000 ft
TSW4W24 Aug 202518,925 ft
TSW4W24 Aug 2025not transmitted
TSW4W21 Aug 202540,000 ft
TSW4W21 Aug 2025not transmitted
TSW4W20 Aug 202518,000 ft