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 57,452
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
GPX80323 Aug 202530,025 ft
not transmitted23 Aug 202515,350 ft
GPX1NH22 Aug 202522,525 ft
not transmitted22 Aug 202519,400 ft
GPX1BL22 Aug 202515,925 ft
GPX1LB20 Aug 202522,475 ft
not transmitted20 Aug 202516,925 ft
GPX1LB19 Aug 202522,850 ft
not transmitted19 Aug 202515,925 ft
not transmitted18 Aug 202524,650 ft
not transmitted18 Aug 202516,425 ft
GPX70117 Aug 202533,025 ft
GPX70017 Aug 2025not transmitted
GPX1LB16 Aug 202512,275 ft
GPX1BL16 Aug 20258,800 ft
GPX1NH15 Aug 202511,175 ft
GPX1HN15 Aug 202510,150 ft
GPX1LB15 Aug 202524,825 ft
not transmitted15 Aug 202512,925 ft
GPX1LB14 Aug 202516,775 ft
not transmitted14 Aug 202518,050 ft
GPX1LB9 Aug 202521,650 ft
not transmitted9 Aug 202515,650 ft
GPX82379 Aug 202513,625 ft
GPX18029 Aug 202517,950 ft