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
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

CallsignFirst contactAltitude at end of contact
TSW4W10 Apr 202518,000 ft
TSW4W9 Apr 20258,175 ft
TSW4W7 Apr 202530,150 ft
TSW4W3 Apr 202518,000 ft
TSW4W3 Apr 20259,450 ft
TSW4W2 Apr 202525,600 ft
TSW4W2 Apr 202534,525 ft
TSW4W31 Mar 202513,525 ft
TSW4W30 Mar 202528,000 ft
not transmitted28 Mar 202529,000 ft
TSW4W26 Mar 202515,550 ft
TSW4W26 Mar 202526,000 ft
not transmitted23 Feb 202526,925 ft
not transmitted21 Feb 20256,350 ft
not transmitted21 Feb 202516,000 ft
not transmitted20 Feb 202512,100 ft
not transmitted20 Feb 202537,825 ft
not transmitted16 Jan 202513,600 ft
not transmitted16 Jan 202522,000 ft
not transmitted10 Jan 202512,100 ft
not transmitted10 Jan 2025not transmitted
not transmitted9 Jan 202531,325 ft
not transmitted9 Jan 202530,000 ft
not transmitted8 Jan 202514,050 ft
not transmitted6 Jan 202531,000 ft