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 transmitted14 Jul 202520,000 ft
not transmitted14 Jul 202516,825 ft
GPX70113 Jul 202528,650 ft
GPX70113 Jul 2025not transmitted
GPX70112 Jul 202530,225 ft
GPX70012 Jul 2025not transmitted
GPX2IM10 Jul 202515,600 ft
GPX2MI10 Jul 202517,125 ft
GPX70122 Jun 202529,000 ft
GPX70022 Jun 2025not transmitted
GPX2IM21 Jun 202511,225 ft
GPX2MI21 Jun 202510,000 ft
GPX1LB21 Jun 202513,950 ft
not transmitted21 Jun 202517,075 ft
GPX1NH20 Jun 202514,175 ft
not transmitted20 Jun 20257,975 ft
GPX1LB20 Jun 202522,675 ft
GPX1BL20 Jun 20258,500 ft
GPX1LB19 Jun 202515,300 ft
GPX1LB18 Jun 202517,300 ft
GPX1BL18 Jun 202510,575 ft
GPX1LB17 Jun 202518,750 ft
GPX1BL17 Jun 20258,000 ft
GPX1LB16 Jun 202520,850 ft
GPX1BL16 Jun 20257,100 ft