2017 Papers and Presentations

Congratulations to our 2017 Technical Papers and Presentation Competition Winner Rocio Frej Vitalle, CSSI, Inc. 
- and thank you to all our participants!

An Analysis of En Route Wake Turbulence Behavior Based on In-Flight Measurements

Rocio Frej Vitalle, CSSI, Inc.

The recent incident involving the encounter of an Airbus A380 wake vortex by a Challenger 604 has drawn attention to the potential hazard of wake vortices en route. To broaden the understanding of the risks associated with en route vortex systems, the FAA, in collaboration with the National Research Council of Canada (NRC), has collected high-altitude wake turbulence data. An analysis of wake vortex fields based on such in-flight measurements has shown that wake turbulence may exist at distances well beyond minimum separation. The strength of these vortices, as well as transport and decay rates, was found to be highly dependent on atmospheric conditions. A study of historical weather data provided herein suggests that the likelihood for atmospheric conditions that trigger a wake encounter increases as longitudinal separations are reduced. Implementing wake mitigation strategies may allow increasing NAS capacity without compromising safety. As track separation increases, altitude changes or lateral offsets are discussed as potential mitigations that may be useful in avoiding wake turbulence.

Click here to read this winning paper/presentation

This paper will be also published in the fall issue of The Journal of ATC.


Congratulations to our other two Paper and Presentation Finalists:

Airborne Trajectory Management (ABTM): A Blueprint for Greater Autonomy in Air Traffic Management

Capt. William B. Cotton, National Institute of Aerospace

David Wing, NASA Langley Research Center

All classes of airspace users experience constraints to their flight operations that, in varying degrees, prevent them from accomplishing their "business case" flight trajectory in an efficient or cost effective manner. In fact, the NAS has been designed to best accommodate the airline user with a manual system for managing traffic that has evolved around ground-based control within airspace sectors. This model has kept air transportation very safe and moving remarkably well, but it depends on rigid structuring of the airspace and traffic flows to maintain safety, often at the expense of efficiency, and for many new airspace users, the ability to operate at all. A system for Airborne Trajectory Management (ABTM) is proposed offering greater flight efficiency in a series of steps that coincide with NextGen technology upgrades in the NAS. Beginning with en route optimization of route and altitude, later ABTM steps incorporate Data Comm, time-based arrivals, and ultimately traffic separation in first a strategic and then a full tactical sense. Coordination with conventional ATC is continuous throughout, and first adopters achieve increasing flight benefits with each step of implementation, beginning with TASAR, the Traffic Aware Strategic Aircrew Requests tool, in the Electronic Flight Bag.
Click here to read this finalist paper

Introducing Data Model Standards for DataComm Information Exchange over SWIM

Charles Chen & Antonio Correas, Skymantics, LLC

ATC services use datalink communication systems such as FANS/ACARS, FAA DCIS, and EUROCONTROL DLS/Link2000+ [using dedicated Communication Service Provider (CSP) networks such as Rockwell Collins (ARINC) and SITA]. A need has been identified in the broader aviation community for sharing up-to date status information of ATC instructions and clearances with stakeholders. To efficiently disseminate this information, SWIM can be utilized to publish an XML-based data format and leverage existing publish/subscribe schemes. SWIM architecture can support the dissemination of the data and handle governance of the information to authorized users. However, a standard data model for this information is not yet specified. Introducing new “XM,” called Datalink Messaging Exchange Model (DMXM), for datalink information sharing can ensure alignment with current international SWIM development efforts at the ICAO level.
Click here to read this finalist paper

Other 2017 Technical Papers Participants:

A.I. in ATM
Click here to read participant paper

Driving operations monitoring and decision making by leveraging multidimensional data visualization
Click here to read participant paper

Opportunities and challenges for use of UAS at airports - Redefining CATM
Click here to read participant paper 

Remote Identification of small UAS
participant paper not available

The effects of severity of losses of well clear on minimum operations
Click here to read participant paper 

The role of formal methods and continuous monitoring in the verification of complex air transportation
Click here to read participant paper 

Unmanned aircraft systems: The NAS at a crossroads
Click here to read participant paper 

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2017 Papers and Presentations

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