Unreliable Airspeed Readings Made Worse By High-Altitude Ice Crystals

The accurate display of airspeed information at high altitude is vital because the margins between the low-speed and high-speed buffet margins can be thin. Thus, a small deviation in the aircraft’s airspeed or an encounter with turbulence can put the aircraft into a threatening buffet condition. If...
Patrick Veillette, Ph.D.

Upon his retirement as a non-routine flight operations captain from a fractional operator in 2015, Dr. Veillette had accumulated more than 20,000 hours of flight experience in 240 types of aircraft—including balloons, rotorcraft, sea planes, gliders, war birds, supersonic jets and large commercial transports. He is an adjunct professor at Utah Valley University.

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