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Nested Loop Model for Air Traffic Control

Nested Loop Model for Air Traffic Control. Presented By Evan Demick. Agenda. Sector Traffic Control (R-Side) and Sector Traffic Planning (D-Side). Facility Flow Planning (TMU). National Flow Planning (CFMU). Flight Planning (AOC). Nested Loop Model.

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Nested Loop Model for Air Traffic Control

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  1. Nested Loop Model for Air Traffic Control Presented By Evan Demick

  2. Agenda • Sector Traffic Control (R-Side) and Sector Traffic Planning (D-Side). • Facility Flow Planning (TMU). • National Flow Planning (CFMU). • Flight Planning (AOC).

  3. Nested Loop Model http://catsr.ite.gmu.edu/SYST460/NestedLoopModelofATCATM.pdf

  4. R-Side and D-Side Controllers • Sector Traffic Control (R-Side) is responsible for managing aircraft through the use of radar. • 5 Minute Timescale • Sector Traffic Planning (D-Side) is responsible for coordinating handoffs with surrounding sectors. • 5 – 20 Minute Timescale http://books.google.com/books?id=BRtDl0CJpQIC&pg=PA401&lpg=PA401&dq=facility+flow+planning+TMU&source=bl&ots=kyt9l3ETwK&sig=U9a9nWAoGODy5jfNY99wQ1Wj_rg&hl=en&sa=X&ei=kjmXUPKsO8y70AGck4CwAw&ved=0CBwQ6AEwAA#v=onepage&q=facility%20flow%20planning%20TMU&f=false

  5. Facility Flow Planning (TMU) • Traffic Management Unit handles flight coordination on a regional scale (centers). • 30 Minutes to 2 Hour Timescale • May impose flow restrictions on aircraft entering or already in a center if overcrowding becomes an issue. • Can implement “Miles in Trail” or “Time in Trail” requirements. http://books.google.com/books?id=BRtDl0CJpQIC&pg=PA401&lpg=PA401&dq=facility+flow+planning+TMU&source=bl&ots=kyt9l3ETwK&sig=U9a9nWAoGODy5jfNY99wQ1Wj_rg&hl=en&sa=X&ei=kjmXUPKsO8y70AGck4CwAw&ved=0CBwQ6AEwAA#v=onepage&q=facility%20flow%20planning%20TMU&f=false

  6. National Flow Planning (CFMU) • Central Flow Management Unit takes control if overcrowding becomes too much to handle on the regional level. • Project traffic loads based on airline schedules and flight plans. • Pays special attention to weather patterns that can block routes and close airports. • Utilizes three strategies for overcrowding and weather. • Ground Holding: Delays takeoff times for aircraft heading to crowded destination. • Rerouting: Used to maneuver aircraft around weather systems or overcrowded sectors. • Metering: Method used to manage flow rates into sectors. http://books.google.com/books?id=BRtDl0CJpQIC&pg=PA401&lpg=PA401&dq=facility+flow+planning+TMU&source=bl&ots=kyt9l3ETwK&sig=U9a9nWAoGODy5jfNY99wQ1Wj_rg&hl=en&sa=X&ei=kjmXUPKsO8y70AGck4CwAw&ved=0CBwQ6AEwAA#v=onepage&q=facility%20flow%20planning%20TMU&f=false

  7. Flight Planning (AOC) • Airlines utilize an Airline Operations Center for planning company flights. • Centers are staffed by certified flight dispatchers. • Generate flight plans based on aircraft type, weight, and loads, weather conditions airport limitations. • The flight plan details the flight route, weather, alternative airports, fuel requirements, and take-off loads. http://dspace.mit.edu/bitstream/handle/1721.1/35725/FlightOpsICATfinal2.pdf

  8. Thanks for Listening!

  9. Sources • http://books.google.com/books?id=BRtDl0CJpQIC&pg=PA401&lpg=PA401&dq=facility+flow+planning+TMU&source=bl&ots=kyt9l3ETwK&sig=U9a9nWAoGODy5jfNY99wQ1Wj_rg&hl=en&sa=X&ei=kjmXUPKsO8y70AGck4CwAw&ved=0CBwQ6AEwAA#v=onepage&q=facility%20flow%20planning%20TMU&f=false • http://catsr.ite.gmu.edu/SYST460/NestedLoopModelofATCATM.pdf • http://dspace.mit.edu/bitstream/handle/1721.1/35725/FlightOpsICATfinal2.pdf

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