Remove Jet Remove NOTAMs Remove Pitot Tube
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Dealing with volcanic ash

Professional Pilot

After an emergency landing at YZF (Yellowknife NT, Canada), the pilots found the fan blades were coated with what looked like rough cement, while the nose of the transcontinental business jet had been stripped of most of its paint. It can also become lodged in pitot tubes or other ports, making altitude and airspeed readings unreliable.