Created Wednesday, Dec 24th 2025 17:03Z, last updated Wednesday, Dec 24th 2025 17:03Z
An Air Baltic Bombardier C-Series CS-300 on behalf of Austrian Airlines, registration YL-ABQ performing flight
OS-639 from Vienna (Austria) to Budapest (Hungary), was climbing out of Vienna's runway 29 wheen the crew stopped the climb at FL230 and entered a hold for troubleshooting a problem with the de-icing systems. The aircraft subsequently returned to Vienna for a safe landing on runway 16 about 50 minutes after departure.
The airline reported technical problems with the de-icing systems of the aircraft prompted the return to Vienna as a repair in Budapest was not possible short term. A replacement aircraft took the passengers to Budapest.
A replacement CS-300 registration YL-AAW reached Budapest with a delay of about 2:15 hours.
Related Flight:
OS639,
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