HB9EYA, radio and ADS-B
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Aircraft

N421QS

Common

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Mode S hex
A500C5
Manufacturer
Gulfstream Aerospace
Serial number
4114
Year built
200818 years old
Country of registration
États-UnisICAO address allocated by United States, aircraft registered in États-Unis.
First contact
26 Aug 2016, 09:09
Last contact
5 Jun 2026, 12:35
Logged visits
36

The station's story

Cumulative contact time
14 h
Distinct days
30
Highest captured altitude
45,000 ft
Discovery rank
#17,235 of 59,539
Longest contact
0 h 38 min

Observed callsigns

EJM (2 contacts, 2026)

Operator as per the registry of 24 Aug 2026; observed callsigns are the freshest measurement.

Visits

CallsignFirst contactAltitude at end of contact
N421QS5 Jul 20171,275 ft
N421QS3 Jul 201739,000 ft
N421QS21 Jun 201743,000 ft
N421QS16 Jun 201743,000 ft
N421QS13 Jun 201740,000 ft
N421QS12 Jun 201741,000 ft
not transmitted13 Dec 201645,000 ft
N421QS4 Sept 201640,000 ft
N421QS3 Sept 201634,000 ft
N421QS28 Aug 201640,000 ft
N421QS26 Aug 201645,000 ft