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 60,659
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 Jul 20266,425 ft
TSW4W9 Jul 202612,050 ft
TSW4W8 Jul 202641,000 ft
TSW4W6 Jul 202619,000 ft
TSW4W6 Jul 202621,825 ft
TSW4W5 Jul 202641,000 ft
TSW4W4 Jul 202629,050 ft
TSW4W4 Jul 202616,675 ft
TSW4W4 Jul 202610,225 ft
TSW4W3 Jul 202629,000 ft
TSW4W3 Jul 2026not transmitted
TSW4W3 Jul 202623,000 ft
TSW4W2 Jul 2026not transmitted
TSW4W2 Jul 202634,375 ft
not transmitted25 Jun 202631,000 ft
TSW4W22 Jun 202634,000 ft
TSW4W14 Jun 202615,000 ft
TSW4W14 Jun 202624,000 ft
TSW4W13 Jun 202614,825 ft
TSW4W13 Jun 202634,750 ft
TSW4W12 Jun 202621,000 ft
TSW4W11 Jun 202640,000 ft
not transmitted11 Jun 202615,100 ft
TSW4W8 Jun 202632,000 ft
TSW4W8 Jun 202627,525 ft