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
#45,513 of 57,388
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
GPX1LB14 Aug 202622,775 ft
GPX2IM13 Aug 202625,750 ft
GPX70113 Aug 202635,000 ft
GPX70013 Aug 2026not transmitted
GPX1LB12 Aug 202623,000 ft
GPX2IM11 Aug 202626,825 ft
GPX70111 Aug 202627,900 ft
GPX70011 Aug 2026not transmitted
GPX1LB10 Aug 202621,475 ft
GPX1LB9 Aug 202619,925 ft
GPX1BL9 Aug 202615,400 ft
GPX7038 Aug 202631,775 ft
GPX7028 Aug 2026not transmitted
GPX1BL8 Aug 202630,350 ft
GPX2IM7 Aug 202620,875 ft
GPX7017 Aug 202629,925 ft
GPX7007 Aug 20261,200 ft
GPX2IM6 Aug 202619,675 ft
GPX1LB5 Aug 202619,300 ft
not transmitted5 Aug 202619,275 ft
GPX2IM3 Aug 202624,175 ft
not transmitted3 Aug 202615,475 ft
GPX7013 Aug 202633,025 ft
GPX7003 Aug 2026not transmitted
GPX2IM2 Aug 202621,575 ft