I think they’re more concerned with sandblasting engine components.
“I think they’re more concerned with sandblasting engine components.”
Another problem is the fine ash melts in the engine hot section, leaving a volcano glass coating on the turbine blade. Really messes with the airflow and efficiency.
Also, sandblasted windscreens are lots of fun when trying to land!
https://volcanoes.usgs.gov/volcanic_ash/ash_clouds_air_routes_effects_on_aircraft.html