New Process for “Clean Sheet” Airspace Design and · PDF file– Airspace...
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F063-B07-037 2007 The MITRE Corporation. All rights reserved.
New Process for Clean Sheet Airspace Design and Evaluation
Brian SimmonsThe MITRE Corporation
McLean, Virginia, USA
July 2007
F063-B07-037 2007 The MITRE Corporation. All rights reserved.2
BackgroundTraditional Airspace Design in the U.S.
Purpose: Reconfigure route and sector geometry to
enhance the safe and expeditious flow of air traffic
Methodology: Airspace Management Handbook Airspace design teams Management and union leadership
Features: Local expertise
Robust design Subjective
Stakeholder Involvement Political buy-in Analysis Paralysis
Thorough Mature design Cost and configuration management
F063-B07-037 2007 The MITRE Corporation. All rights reserved.3
Clean Sheet Airspace Design ProcessOverview
Purpose: Make Conduct Airspace Study phase of
the Airspace Management Handbookmore efficient
Methodology:1. Traffic and Airspace Environment
2. Airspace Partitioning
3. Workability Evaluation
4. Sector Audit and Remediation
Features: Balanced and benchmarked complexity
Best practices of airspace design
Unconstrained by current boundaries
Objective
Repeatable
Transparent
Efficient
F063-B07-037 2007 The MITRE Corporation. All rights reserved.4
Clean Sheet Airspace Design ProcessStep 2: Airspace Partitioning
Purpose: Determine number, size
and orientation of partitions
Tool: airspacePartitioner
Features: Complexity benchmarking
Recursive k-means clustering
Boundary smoothing
Can partition around non-negotiable regions (e.g., SUA)
Traffic Demand Profiles
Partition region airspace with airspacePartitioner
Airspace Partitioning
Partitions with equal & benchmarked complexity
F063-B07-037 2007 The MITRE Corporation. All rights reserved.5
Clean Sheet Airspace Design ProcessStep 2: Airspace Partitioning
Traffic CountsProximity EventsTransitionsArrival Spacing
Complexity Map = A weighted combination of the four components
F063-B07-037 2007 The MITRE Corporation. All rights reserved.6
Complexity per Volume
3 Volumes of Airspace
Complexity per Volume
7 Volumes of Airspace
Complexity per Volume
11 Volumes of Airspace
Complexity per Volume
15 Volumes of Airspace
Clean Sheet Airspace Design ProcessStep 2: Airspace Partitioning
F063-B07-037 2007 The MITRE Corporation. All rights reserved.7
Clean Sheet Airspace Design ProcessStep 3: Workability Assessment
Purpose: Determine where configuration of
flows and boundaries are incompatible with ATC services
Tool: airspaceAnalyzer
Features: Fast-time simulation ATC modeled as linear program
Aircraft to aircraft separation Aircraft to airspace separation MIT spacing Return to course
Records effort needed to service traffic flows
Traffic Demand Profiles
Partitions with equal & benchmarked complexity
Identify problem partitions using airspaceAnalyzer
Workability Evaluation
Airspace requiring boundary analysis
F063-B07-037 2007 The MITRE Corporation. All rights reserved.8
Clean Sheet Airspace Design ProcessStep 4: Sector Audit and Remediation
Purpose: Identify and rectify specific
airspace design problems
Tool: sectorEvaluator
Features: Knowledge-based system
GIS implementation
Computes key airspace design characteristics and compares against best practices
Indicates design improvements
Airspace requiring boundary analysis
Refine partition boundaries using sectorEvaluator
Sector Audit
Final Design
F063-B07-037 2007 The MITRE Corporation. All rights reserved.9
ConclusionsSelected Applications
Airspace Design Projects Flow-Based Design Concept
Mid-Term Facility Concept
Florida Airspace Optimization
En-Route Sector Validation Jacksonville/Miami
Chicago
Indianapolis
F063-B07-037 2007 The MITRE Corporation. All rights reserved.10
ConclusionsLessons Learned
Possible to capture and apply Principles of Airspace Design Objective Repeatable Transparent
Process is non-trivial Efficient, but not a push button answer Refinement during implementation Human-centered design with computer assistance
Particularly good for a regional airspace projects crossing facility boundaries Unbiased Provides a design to which
stakeholders can react Focuses discussion on technical
(rather than political) issues
For information on the availability of these tools, contact:
Nancy KalinowskiDirector of System Operations Airspace & AIMFederal Aviation Administrationnancy.kalinowski@faa.gov
For information on the availability of these tools, contact:
Nancy KalinowskiDirector of System Operations Airspace & AIMFederal Aviation Administrationnancy.kalinowski@faa.gov