HB9EYA, 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 57,463
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
GPX2IM7 Sept 202510,875 ft
GPX2MI7 Sept 202517,625 ft
GPX1LB7 Sept 202510,475 ft
GPX1BL7 Sept 202517,125 ft
GPX2IM6 Sept 202515,300 ft
GPX2MI6 Sept 202516,775 ft
GPX1LB6 Sept 202513,725 ft
not transmitted6 Sept 20259,000 ft
GPX2IM5 Sept 202511,000 ft
not transmitted5 Sept 20258,250 ft
GPX1LB4 Sept 202522,925 ft
not transmitted4 Sept 202519,250 ft
GPX1LB3 Sept 202525,650 ft
GPX2IM1 Sept 202526,950 ft
not transmitted1 Sept 202516,450 ft
GPX2IM31 Aug 202526,125 ft
GPX2MI31 Aug 202519,025 ft
GPX1LB31 Aug 202514,725 ft
not transmitted31 Aug 202517,425 ft
GPX1LB25 Aug 202523,050 ft
GPX1BL25 Aug 202519,475 ft
GPX70124 Aug 202534,925 ft
GPX70024 Aug 2025not transmitted
GPX1LB23 Aug 202521,475 ft
not transmitted23 Aug 2025not transmitted