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 57,434
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
GPX41026 Jan 202310,900 ft
GPX21124 Jan 202320,300 ft
GPX21024 Jan 202316,850 ft
GPX21110 Jan 202323,625 ft
GPX21010 Jan 202318,250 ft
GPX8119 Jan 202329,500 ft
GPX8158 Jan 202327,275 ft
GPX8148 Jan 202310,975 ft
GPX8157 Jan 202330,950 ft
GPX8147 Jan 202316,900 ft
GPX8155 Jan 202322,875 ft
GPX8145 Jan 202319,600 ft
GPX27M4 Jan 202328,725 ft
GPX26M4 Jan 202316,725 ft
GPX17B31 Dec 202220,100 ft
GPX18B31 Dec 202217,375 ft
GPX81525 Dec 202216,300 ft
GPX81425 Dec 202219,225 ft
GPX81524 Dec 202217,975 ft
not transmitted24 Dec 202217,650 ft
GPX51123 Dec 202218,025 ft
GPX51023 Dec 202218,700 ft
GPX81523 Dec 202217,200 ft
GPX81423 Dec 202216,725 ft
GPX81522 Dec 202213,650 ft