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
GPX1HN9 May 202516,550 ft
GPX1LB9 May 202525,450 ft
not transmitted8 May 202518,525 ft
not transmitted8 May 202515,425 ft
GPX1LB7 May 202522,500 ft
GPX1BL7 May 202518,650 ft
GPX1LB6 May 202526,600 ft
GPX1BL6 May 20259,275 ft
GPX1LB5 May 202521,875 ft
not transmitted5 May 2025not transmitted
GPX1LB4 May 202520,500 ft
GPX1BL4 May 20258,800 ft
GPX8034 May 202511,250 ft
not transmitted4 May 202516,125 ft
GPX1LB3 May 202521,050 ft
not transmitted3 May 202515,400 ft
GPX8033 May 202519,000 ft
GPX8023 May 202510,275 ft
GPX1NH2 May 202514,975 ft
GPX1HN2 May 202514,325 ft
GPX1LB2 May 202520,225 ft
not transmitted2 May 2025not transmitted
GPX7012 May 202529,550 ft
GPX7002 May 2025not transmitted
GPX1LB1 May 202518,475 ft