overheadlog, 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
#45,527 of 57,466
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
GPX1LB11 Oct 202511,250 ft
not transmitted11 Oct 2025not transmitted
GPX80311 Oct 202515,375 ft
GPX80211 Oct 20258,925 ft
GPX1NH10 Oct 202516,375 ft
GPX1HN10 Oct 20258,625 ft
GPX1LB10 Oct 202518,825 ft
not transmitted10 Oct 202516,475 ft
GPX2IM9 Oct 202522,725 ft
GPX2IM8 Oct 202519,775 ft
not transmitted8 Oct 202518,100 ft
GPX7018 Oct 202531,975 ft
GPX7008 Oct 2025not transmitted
GPX2IM7 Oct 202521,325 ft
not transmitted7 Oct 202517,175 ft
not transmitted7 Oct 202517,050 ft
GPX2IM6 Oct 202521,000 ft
GPX2MI6 Oct 202518,725 ft
GPX1LB6 Oct 202518,950 ft
GPX1BL6 Oct 202510,800 ft
GPX2IM5 Oct 202514,075 ft
GPX1LB5 Oct 202515,850 ft
not transmitted5 Oct 202518,025 ft
GPX2IM4 Oct 202511,825 ft
not transmitted4 Oct 202518,875 ft