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
#45,526 of 57,462
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
not transmitted4 Jan 202611,675 ft
GPX8084 Jan 202618,300 ft
GPX2GB3 Jan 202615,550 ft
not transmitted3 Jan 202617,625 ft
GPX7012 Jan 202626,900 ft
GPX7002 Jan 2026not transmitted
GPX2IM1 Jan 202619,150 ft
not transmitted1 Jan 202617,725 ft
GPX1LB1 Jan 202611,650 ft
not transmitted1 Jan 202617,150 ft
GPX1LB31 Dec 202515,875 ft
not transmitted31 Dec 202518,175 ft
GPX2IM30 Dec 202511,050 ft
GPX2MI30 Dec 202517,375 ft
GPX1LB27 Dec 202525,175 ft
not transmitted27 Dec 202516,625 ft
GPX2IM26 Dec 202519,175 ft
GPX2MI26 Dec 202519,050 ft
GPX70124 Dec 202528,900 ft
GPX70024 Dec 2025not transmitted
GPX2IM20 Dec 202516,250 ft
GPX2MI20 Dec 202521,175 ft
GPX180920 Dec 202511,550 ft
GPX180820 Dec 202518,100 ft
GPX70119 Dec 202531,200 ft