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
#45,523 of 57,431
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
GPX2MI3 Dec 202517,450 ft
GPX7013 Dec 202532,625 ft
GPX7003 Dec 2025not transmitted
GPX2IM30 Nov 202515,375 ft
GPX2MI30 Nov 202518,150 ft
GPX1LB30 Nov 202516,150 ft
not transmitted30 Nov 202518,725 ft
GPX1LB28 Nov 202520,925 ft
GPX1BL28 Nov 202518,900 ft
GPX2IM27 Nov 202514,475 ft
GPX2MI27 Nov 202518,075 ft
GPX2IM26 Nov 202511,925 ft
not transmitted26 Nov 202520,075 ft
GPX70126 Nov 202528,825 ft
GPX70026 Nov 2025not transmitted
GPX70123 Nov 202526,025 ft
GPX70023 Nov 2025not transmitted
GPX1LB21 Nov 202523,525 ft
not transmitted21 Nov 20259,375 ft
GPX2IM20 Nov 202516,950 ft
not transmitted20 Nov 202517,575 ft
GPX2IM19 Nov 202511,000 ft
GPX2MI19 Nov 202517,700 ft
GPX2IM17 Nov 202520,500 ft
not transmitted17 Nov 202519,350 ft