Remove Hangar Remove NOTAMs Remove Pitot Tube
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Dealing with volcanic ash

Professional Pilot

Aircraft on the ground downwind from an eruption, even if hangared, should be cleaned frequently to prevent corrosion. It can also become lodged in pitot tubes or other ports, making altitude and airspeed readings unreliable. Engines should be dry cranked to ventilate them before startup. Ash has been known to contaminate fuel.