HB9EYARADIO & ADS-B
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Aircraft

N281MM

Regular

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Mode S hex
A2D2D1
Manufacturer
Gulfstream Aerospace Corp
Serial number
6123
Year built
201511 years old
Country of registration
États-UnisICAO address allocated by United States, aircraft registered in États-Unis.
First contact
24 Jan 2022, 08:25
Last contact
23 Jun 2026, 08:10
Logged visits
41

The station's story

Cumulative contact time
14 h
Distinct days
37
Highest captured altitude
47,025 ft
Discovery rank
#43,538 of 57,441
Longest contact
2 h 47 min

Same airframe, also seen as

  • N3LBfrom 21 May 2025 to 18 Jul 2025 · 2 contacts

These registrations share the same serial number and type according to the reference data. Serial numbers can collide, though: it is a deduction, not a certainty.

Observed callsigns

EJM (15 contacts, 2022-2024) · HPJ (8 contacts, 2024-2026)

Operator as per the registry of 29 Jul 2026; observed callsigns are the freshest measurement.

Visits

CallsignFirst contactAltitude at end of contact
EJM28128 Oct 202243,000 ft
not transmitted24 Oct 202241,000 ft
not transmitted23 Jun 202243,000 ft
EJM28121 Jun 202216,000 ft
EJM28121 Jun 20221,400 ft
not transmitted12 Jun 202245,000 ft
not transmitted9 Jun 202233,025 ft
not transmitted9 Jun 202243,000 ft
EJM2813 Apr 202228,150 ft
not transmitted3 Apr 2022not transmitted
not transmitted31 Mar 20221,875 ft
EJM28113 Feb 202243,000 ft
EJM28131 Jan 202234,000 ft
not transmitted26 Jan 202227,000 ft
EJM28125 Jan 202228,000 ft
EJM28124 Jan 202213,050 ft