HB9EYARADIO & 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
11 Aug 2026, 20:48
Logged visits
1,720

The station's story

Cumulative contact time
253 h
Distinct days
668
Highest captured altitude
35,975 ft
1 corrupted frame(s) excluded from this maximum
Discovery rank
#45,451 of 57,065
Longest contact
2 h 15 min
Contacts on this Mode S address
1,760 contacts on the address, 1,720 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 (1,248 contacts, 2022-2026)

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

Visits

CallsignFirst contactAltitude at end of contact
not transmitted14 Dec 202512,400 ft
GPX1LB14 Dec 202515,600 ft
GPX1BL14 Dec 202518,950 ft
GPX2IM12 Dec 202511,200 ft
GPX2MI12 Dec 202518,475 ft
GPX2IM11 Dec 202514,975 ft
GPX2MI11 Dec 20259,325 ft
GPX2IM10 Dec 202518,225 ft
not transmitted10 Dec 202517,700 ft
GPX70110 Dec 202529,000 ft
GPX70010 Dec 2025not transmitted
GPX2IM7 Dec 202510,900 ft
GPX2MI7 Dec 202518,350 ft
GPX1LB7 Dec 202513,675 ft
GPX1BL7 Dec 202519,100 ft
GPX1LB5 Dec 202519,775 ft
GPX1BL5 Dec 202519,900 ft
GPX2IM4 Dec 202514,100 ft
not transmitted4 Dec 202518,150 ft
GPX2IM3 Dec 202513,375 ft
GPX2MI3 Dec 202517,450 ft
GPX7013 Dec 202532,625 ft
GPX7003 Dec 2025not transmitted
GPX2IM30 Nov 202515,375 ft
GPX2MI30 Nov 202518,150 ft