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
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
#45,524 of 57,439
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
GPX70031 Oct 20251,300 ft
GPX2IM29 Oct 202515,425 ft
not transmitted29 Oct 202516,450 ft
GPX70129 Oct 202527,950 ft
GPX70029 Oct 2025not transmitted
GPX2IM27 Oct 202530,225 ft
not transmitted27 Oct 202521,350 ft
GPX1BL27 Oct 202517,000 ft
not transmitted26 Oct 202511,425 ft
GPX2MI26 Oct 202518,325 ft
GPX1LB26 Oct 202519,925 ft
GPX80325 Oct 202513,925 ft
GPX80225 Oct 202520,175 ft
GPX2IM24 Oct 202512,600 ft
GPX2MI24 Oct 20257,125 ft
GPX70124 Oct 202526,050 ft
GPX70024 Oct 2025not transmitted
GPX2IM23 Oct 202515,225 ft
GPX2MI23 Oct 202518,350 ft
GPX70122 Oct 202528,325 ft
GPX70022 Oct 2025not transmitted
GPX2IM20 Oct 202522,750 ft
GPX2MI20 Oct 202520,800 ft
not transmitted20 Oct 202520,775 ft
GPX1BL20 Oct 202518,275 ft