Overview
- Flight OS434 from Spain to Vienna encountered unexpected hail on approach, causing a mayday call.
- The hailstorm, invisible on radar, damaged the plane's nose and cockpit windows.
- Passengers described feeling the impact of hail and turbulence for about two minutes.
- The plane landed safely in Vienna with 173 passengers and six crew members unharmed.
- Austrian Airlines' technical team is assessing the damage.