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
GPX1BL1 May 202518,850 ft
not transmitted30 Apr 202519,725 ft
GPX1BL30 Apr 202516,650 ft
GPX70130 Apr 202527,075 ft
GPX70030 Apr 2025not transmitted
GPX1LB29 Apr 202522,275 ft
GPX1BL29 Apr 202518,875 ft
GPX70128 Apr 202530,000 ft
GPX70028 Apr 2025not transmitted
GPX2IM27 Apr 202516,175 ft
GPX2MI27 Apr 202516,950 ft
GPX70127 Apr 202532,975 ft
GPX70027 Apr 2025not transmitted
GPX80327 Apr 202512,450 ft
GPX80227 Apr 202515,975 ft
GPX1LB26 Apr 202511,900 ft
not transmitted26 Apr 202517,900 ft
GPX80326 Apr 202519,525 ft
not transmitted26 Apr 202517,100 ft
GPX1NH25 Apr 202510,800 ft
GPX1HN25 Apr 202516,700 ft
GPX1LB25 Apr 202519,725 ft
GPX1BL25 Apr 202518,650 ft
GPX2IM24 Apr 202514,950 ft
not transmitted24 Apr 202516,175 ft