HB9EYA, radio and ADS-B
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Aircraft

HB-KFO

Common

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Mode S hex
4B1AF8
Manufacturer
Avions Pierre Robin S.a.
Serial number
2501
Year built
200125 years old
Country of registration
SwitzerlandSwitzerland
First contact
6 Apr 2016, 14:00
Last contact
13 Aug 2026, 15:25
Logged visits
4,714

The station's story

Cumulative contact time
2,131 h
Distinct days
1,955
Highest captured altitude
25,000 ft
80 corrupted frame(s) excluded from this maximum
Discovery rank
#1,692 of 57,388
Longest contact
3 h 52 min

Observed callsigns

EZS (1 contacts, 2018) · EDW (1 contacts, 2022) · SWR (1 contacts, 2017)

Operator as per the registry of 12 Aug 2026; observed callsigns are the freshest measurement.

Visits

CallsignFirst contactAltitude at end of contact
not transmitted11 May 20182,000 ft
HBKFO11 May 20182,300 ft
HBKFO11 May 20184,500 ft
HBKFO11 May 20182,000 ft
HBKFO11 May 20182,200 ft
HBKFO9 May 20182,100 ft
not transmitted8 May 20182,100 ft
HBKFO8 May 20185,300 ft
not transmitted7 May 20182,000 ft
HBKFO7 May 20184,800 ft
HBKFO7 May 20181,800 ft
HBKFO6 May 20181,800 ft
not transmitted5 May 20181,800 ft
not transmitted2 May 20182,100 ft
HBKFO2 May 20182,100 ft
HBKFO2 May 20181,800 ft
HBKFO1 May 20182,000 ft
not transmitted1 May 20182,100 ft
not transmitted1 May 20184,500 ft
not transmitted29 Apr 20182,200 ft
not transmitted29 Apr 2018not transmitted
HBKFO26 Apr 20181,800 ft
EZS36KE25 Apr 20182,400 ft
HBKFO22 Apr 20182,400 ft
HBKFO22 Apr 20185,900 ft