HB9EYA, radio and ADS-B
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Aircraft

YL-CSI

Common

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Mode S hex
502CE3
Manufacturer
Bombardier
Serial number
55034
Year built
20188 years old
Country of registration
LatviaLatvia
First contact
28 Jun 2018, 16:43
Last contact
16 Oct 2026, 16:13
Logged visits
709

Operation

Operates for Swiss (wet-lease airBaltic)

Observed from 14 Apr 2023 to 19 Jul 2026, 158 contacts under this callsign (measured by the log)

Interpretation: Wet-lease ACMI attesté publiquement, A220 airBaltic exploités pour Swiss (communications des deux compagnies, accords saisonniers reconduits) (2026-07)

Operates for Brussels Airlines (wet-lease airBaltic)

Observed from 19 Jul 2025 to 26 Sept 2025, 36 contacts under this callsign (measured by the log)

Interpretation: Wet-lease ACMI attesté publiquement, A220 airBaltic pour Brussels Airlines (2026-07)

The station's story

Cumulative contact time
268 h
Distinct days
379
Highest captured altitude
41,000 ft
Discovery rank
#29,940 of 60,444
Longest contact
2 h 1 min
Contacts on this Mode S address
712 contacts on the address, 709 under this registration: the address has carried several identities over time.

Observed callsigns

SWR (227 contacts, 2023-2026) · BTI (189 contacts, 2018-2026) · DLH (83 contacts, 2019-2025)

Operator as per the registry of 12 Oct 2026; observed callsigns are the freshest measurement.

Visits

CallsignFirst contactAltitude at end of contact
BTI16485 Jan 201927,025 ft
BTI16475 Jan 2019850 ft
BTI7QX18 Dec 201825,175 ft
BTI2WT18 Dec 20181,175 ft
BTI68117 Dec 201840,000 ft
BTI7QX4 Dec 201820,750 ft
BTI2WT4 Dec 20184,575 ft
BTI7QX1 Dec 201821,300 ft
BTI2WT1 Dec 20182,550 ft
BTI2MZ24 Nov 201837,975 ft
BTI3FT22 Nov 201838,200 ft
BTI8KA21 Nov 201841,000 ft
BTI3FT8 Nov 201838,000 ft
BTI2MZ7 Nov 201838,000 ft
BTI8KA7 Nov 201841,000 ft
BTI8KA31 Oct 201839,000 ft
BTI7QX30 Oct 201835,275 ft
BTI2WT30 Oct 20181,550 ft
BTI7QX18 Oct 201829,450 ft
BTI2WT18 Oct 20181,325 ft
BTI8KA17 Oct 201839,000 ft
not transmitted13 Oct 201839,000 ft
BTI8EP8 Oct 201838,975 ft
BTI8EP4 Oct 201838,975 ft
BTI7QN11 Sept 201839,000 ft