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
15 Aug 2026, 21:03
Logged visits
1,727

The station's story

Cumulative contact time
255 h
Distinct days
672
Highest captured altitude
35,975 ft
1 corrupted frame(s) excluded from this maximum
Discovery rank
#45,533 of 57,498
Longest contact
2 h 15 min
Contacts on this Mode S address
1,767 contacts on the address, 1,727 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 (1,255 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
GPX70115 Jun 202531,800 ft
GPX70015 Jun 2025not transmitted
GPX80315 Jun 202513,225 ft
GPX80215 Jun 20259,000 ft
GPX1NH13 Jun 202511,000 ft
GPX1HN13 Jun 202515,450 ft
not transmitted12 Jun 202517,150 ft
not transmitted12 Jun 202515,900 ft
not transmitted11 Jun 202519,600 ft
not transmitted11 Jun 202516,300 ft
GPX1LB10 Jun 202521,425 ft
GPX1BL10 Jun 202517,800 ft
GPX1LB9 Jun 202510,775 ft
not transmitted9 Jun 202518,850 ft
GPX7018 Jun 202529,325 ft
GPX7018 Jun 2025not transmitted
GPX8038 Jun 202516,475 ft
GPX8028 Jun 202515,850 ft
GPX2IM7 Jun 202511,850 ft
GPX1LB7 Jun 202513,875 ft
GPX1BL7 Jun 20257,825 ft
GPX1NH6 Jun 202514,125 ft
GPX1HN6 Jun 202510,625 ft
GPX1LB6 Jun 202521,500 ft
GPX1BL6 Jun 202519,775 ft