HB9EYA, radio and ADS-B
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Aircraft

LZ-GPA

Regular

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Mode S hex
4520FB
Type
Boeing 737-400B734
Manufacturer
Boeing
Serial number
27003
Year built
199234 years old
Operator
GP Aviation (GPX)
Country of registration
BulgariaBulgaria
First contact
11 Jul 2022, 20:11
Last contact
14 Aug 2026, 15:13
Logged visits
1,725

The station's story

Cumulative contact time
254 h
Distinct days
671
Highest captured altitude
35,975 ft
1 corrupted frame(s) excluded from this maximum
Discovery rank
#45,513 of 57,389
Longest contact
2 h 15 min
Contacts on this Mode S address
1,765 contacts on the address, 1,725 under this registration: the address has carried several identities over time.

Same airframe, also seen as

  • 9H-HUEfrom 6 Jul 2016 to 11 Aug 2026 · 200 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

GPX (1,253 contacts, 2022-2026)

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

Visits

CallsignFirst contactAltitude at end of contact
GPX1BL18 Jan 202618,650 ft
GPX2IM17 Jan 202611,125 ft
GPX2MI17 Jan 202617,500 ft
GPX1LB17 Jan 202614,400 ft
not transmitted17 Jan 202617,375 ft
GPX70116 Jan 202633,000 ft
GPX70016 Jan 2026not transmitted
GPX2IM15 Jan 202620,625 ft
not transmitted15 Jan 202615,625 ft
GPX2IM14 Jan 202619,275 ft
GPX2MI14 Jan 202618,000 ft
GPX70114 Jan 202630,675 ft
GPX70014 Jan 2026not transmitted
GPX2IM13 Jan 202615,925 ft
not transmitted13 Jan 202612,975 ft
GPX80711 Jan 202612,700 ft
not transmitted11 Jan 202618,325 ft
GPX2IM9 Jan 202613,100 ft
GPX2MI9 Jan 202618,850 ft
GPX1LB8 Jan 202621,125 ft
GPX1BL8 Jan 202617,025 ft
GPX2IM7 Jan 202615,575 ft
GPX2MI7 Jan 202618,850 ft
GPX7017 Jan 2026not transmitted
GPX7007 Jan 2026not transmitted