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HIGHLIGHTS ARCHIVE
05.29.07 Division Highlights

Contents
Trajectory-Based Automation Experiment: The initial simulation phase of the Trajectory-Based Automation Experiment (TBAE) was completed in May. TBAE is part of both the Separation Assurance work for the Airspace Project and the safety work for the Integrated Intelligent Flight Deck (IIFD) Project. This experiment used the Center-TRACON Automation System (CTAS) lab and the B747-400 simulator in the Crew Vehicle Systems Research Facility (CVSRF) to match the CTAS ground automation trajectory predictions with the procedural implementation of automated trajectory modifications in the flight deck. Data collection sessions were held in December 2006, March 2007, and May 2007. Controller Pilot Data Link Communications (CPDLC) messages were sent from CTAS in a format acceptable to the B747 Flight Management System (FMS). The facilities were connected via the Virtual Airspace Simulation Technology (VAST). Experimental data shows that CTAS accurately predicts the response of the B747 FMS to up-linked flight plan amendments.

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NASA Hosts Collaborative TFM Meeting: The NGATS: Airspace Project hosted the quarterly meeting of the FAA's Collaborative Decision Making (CDM) sub-group on Future Concepts for Traffic Flow Management at NASA Ames Research Center on May 22-23, 2007. Attendees at the meeting included representatives from the FAA, Volpe, MITRE/CAASD, industry, and the airlines. The purpose of the meeting was to present this influential group, who is tasked with developing and testing new CDM concepts for operational implementation, with the ongoing foundational research efforts that are underway in the NGATS: Airspace Project. To facilitate this process, the Associate Principal Investigators from Traffic Flow Management, Dynamic Airspace Configuration, and Separation Assurance, as well as, the NGATS: Airspace PI, briefed this group on current and planned research activities that are designed to address the Air Traffic Management (ATM) research needs of NextGen. As a result of this meeting, opportunities for collaboration were identified in the areas of: traffic flow optimization; and the assessment of NAS system performance relative to weather and traffic demand forecasts.

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SODAA Demonstration: Greg Juro (DFW TRACON Traffic Management Officer) was given a Surface Operations Data Analysis and Adaptation Tools (SODAA) demo last week. We believe this will help immensely in the SODAA maturation process, and it should also directly benefit some of the surface operations data analysis that NTX is trying to complete.

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Initial discussion to review TPSU NRA: The Trajectory Prediction Synthesis and Uncertainty (TPSU) group held their first meeting to discuss evaluating the new TPSU NRA to define cross comparable trajectory prediction requirements.

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