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 transmitted5 Jun 202522,100 ft
GPX1BL5 Jun 202518,600 ft
GPX1LB4 Jun 202522,450 ft
GPX1LB1 Jun 202520,200 ft
not transmitted1 Jun 202515,975 ft
GPX8031 Jun 202517,425 ft
GPX8021 Jun 202511,525 ft
GPX1NH30 May 202520,925 ft
GPX1HN30 May 202518,075 ft
GPX1LB30 May 202521,550 ft
not transmitted30 May 202519,050 ft
not transmitted28 May 202517,325 ft
GPX1BL28 May 20257,200 ft
GPX2IM27 May 202525,700 ft
GPX2MI27 May 202516,325 ft
not transmitted27 May 202517,350 ft
not transmitted26 May 202520,650 ft
not transmitted26 May 202520,900 ft
GPX70125 May 202526,425 ft
GPX80325 May 202514,750 ft
GPX80225 May 202511,650 ft
GPX1NH23 May 202511,600 ft
not transmitted23 May 202516,675 ft
GPX1LB23 May 202519,475 ft
not transmitted23 May 202517,575 ft