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
not transmitted20 Oct 202520,775 ft
GPX1BL20 Oct 202518,275 ft
GPX2IM19 Oct 202512,875 ft
not transmitted19 Oct 202518,400 ft
GPX1LB19 Oct 202513,375 ft
GPX1BL19 Oct 202518,100 ft
GPX80318 Oct 202510,775 ft
GPX80218 Oct 202515,400 ft
GPX2IM17 Oct 202512,000 ft
GPX2MI17 Oct 202516,100 ft
GPX70117 Oct 202528,825 ft
GPX70017 Oct 2025not transmitted
GPX2IM15 Oct 202522,075 ft
GPX70115 Oct 202533,000 ft
GPX2IM14 Oct 202520,625 ft
GPX1LB14 Oct 202519,600 ft
not transmitted14 Oct 202515,850 ft
GPX2IM13 Oct 202520,375 ft
not transmitted13 Oct 202517,850 ft
not transmitted13 Oct 202518,825 ft
not transmitted13 Oct 202517,125 ft
GPX70112 Oct 202531,050 ft
GPX70012 Oct 2025not transmitted
GPX2IM11 Oct 202511,150 ft
GPX2MI11 Oct 202510,250 ft