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Turbulence in the National Airspace System. Aviation Turbulence Workshop. David Holly, FAA. August 29, 2013. What we’ll cover. The National Airspace System (NAS) Levels of turbulence How turbulence reports get to controllers How turbulence is reported by controllers
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Turbulence in theNational Airspace System Aviation Turbulence Workshop David Holly, FAA August 29, 2013
What we’ll cover The National Airspace System (NAS) Levels of turbulence How turbulence reports get to controllers How turbulence is reported by controllers Effects of turbulence in the NAS Questions
Atlanta ARTCC (ZTL) 1.79 million operations in 2013 Atlanta Hartsfield-Jackson 592,000 operations in 2013 Charlotte Douglas Int’l #5 362,000 operations in 2013
Levels of Turbulence Light Moderate Severe Extreme
How turbulence info gets to controllers Pilot reports climbing, descending, at cruise altitude Weather briefings from other controllersor from supervisors Review of current and forecasted upper winds
How controllers report turbulence PIREPs Relief briefings Calls to adjacent sectors or facilities
Effects of turbulence in the NAS Changes in altitude crossing restrictions Route changes Cruise altitude changes Loss of speed control as a tool in getting and maintaining spacing between aircraft Holding in the hope of improving conditions Reportable incidents
What we covered The National Airspace System (NAS) Levels of turbulence How turbulence reports get to controllers How turbulence is reported by controllers Effects of turbulence in the NAS