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, 19:53
Logged visits
1,726

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
1,766 contacts on the address, 1,726 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 (1,254 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
GPX5HM10 Apr 202420,850 ft
GPX5MH10 Apr 202416,975 ft
GPX5LB9 Apr 202421,125 ft
GPX5BL9 Apr 202417,250 ft
GPX5LB8 Apr 202420,925 ft
GPX5BL8 Apr 202416,975 ft
GPX5HM8 Apr 202421,950 ft
GPX5MH8 Apr 202417,600 ft
GPX4GX7 Apr 202432,975 ft
GPX4XG7 Apr 202434,525 ft
GPX5ZT6 Apr 202416,425 ft
GPX5TZ6 Apr 202418,875 ft
GPX5LB5 Apr 202419,925 ft
GPX5BL5 Apr 202413,050 ft
GPX5LB3 Apr 202420,025 ft
not transmitted3 Apr 202419,150 ft
GPX5LB2 Apr 202423,125 ft
GPX5BL2 Apr 202419,550 ft
GPX5BS1 Apr 202425,650 ft
GPX5BS1 Apr 202417,725 ft
GPX39131 Mar 202433,000 ft
GPX39031 Mar 202430,050 ft
GPX81129 Mar 202416,225 ft
GPX81029 Mar 202413,525 ft
GPX41529 Mar 202421,300 ft