2017 Tech Talk Information
|| Talk Topics and Presenters
The Offshore Precipitation Capability and UAS Weather – Presenters: Starr McGettigan and Lyndsay Digneo
Spectrum Efficient National Surveillance Radar (SENSR) – Presenter: Michael Emanuel
Aircraft Pair Conflict Generator – Presenter: James Ritchie III
||Uncertainty Analysis of an Aircraft-Based Runway Friction Assessment Method – Presenter: Angela Campbell, Ph. D.
Integrated Domain Safety Risk Evaluation Tool (ID-SRET) – Presenter: Huasheng Li, Ph. D.
Center of Excellence for General Aviation - PEGASAS – Presenter: Ryan King
Tech Talk Descriptions
Starr McGettigan and Lyndsay Digneo
The Offshore Precipitation Capability and UAS Weather OPC: The Offshore Precipitation Capability (OPC)
blends weather satellite imagery, lightning data and weather model data to produce a near-real-time estimate of
precipitation for areas that lack radar coverage. The goal of the project is to provide offshore situational awareness
of weather activity for Air Traffic Controllers beyond the range of current weather radar. OPC will allow controllers to
disseminate critical weather information to aircrews outside of NEXRAD radar coverage.
UAS Weather: UAS typically are not as resilient to weather as manned aircraft. Consequently, there are gaps
between current weather capabilities used for manned operations and weather information needed for safe and
efficient airspace management of UAS operations. The Aviation Weather Research Program will present current
research that explores the potential enhancement of current weather capabilities and development of new
capabilities to close the gaps.
Spectrum Efficient National Surveillance Radar (SENSR): The Spectrum Efficient National Surveillance Radar
(SENSR) program seeks to modernize and enhance air surveillance across the entire Federal enterprise by means
of making available Federal-Use spectrum to industry, if determined to be feasible. This ambitious endeavor
presents great opportunity, though there are technical challenges that must be overcome. These challenges, as
viewed by the SENSR Government Engineering Team, will be discussed as well as the test, demonstration, and
evaluation activities that are anticipated to be led by FAA Technical Center personnel.
James Ritchie III
Aircraft Pair Conflict Generator: There is ongoing research at the Federal Aviation Administration to examine a
concept for delegated separation of unmanned aircraft systems (UAS) in multiple classes of airspace. To perform
delegated separation, the UAS would employ detect and avoid capabilities, which provide preventive, corrective, and
warning guidance to the UAS pilot. In a small, student-based collaboration with Rowan University, researchers
developed a mathematical algorithm for generating realistic aircraft pair trajectories with defined conflict properties
used for evaluating detect and avoid systems. This presentation will describe the algorithm developed, the conflict
properties used, and illustrate some examples.
Angela Campbell, Ph.D.
Uncertainty Analysis of an Aircraft-Based Runway Friction Assessment Method: A lack of timely and accurate
information regarding runway conditions has been identified as a significant contributing factor to runway excursion
accidents. Currently, the primary methods of evaluating runway conditions are subjective pilot braking action reports
and continuous friction measuring equipment. In this briefing, a novel approach of using airplane data to identify
real-time runway conditions is presented and the uncertainty associated with this method of estimating runway
friction coefficient is evaluated.
Huasheng Li, Ph. D.
Integrated Domain Safety Risk Evaluation Tool (ID-SRET): The National Airspace System (NAS) is experiencing
significant changes with the NextGen progress, which poses potential safety issues due to the interactions and
interdependencies of NAS systems and procedures. The existing Safety Risk Management process that very
effectively focuses on the individual changes may not have the capability to meet these emerging safety needs. The
Integrated Domain Safety Risk Evaluation Tool (ID-SRET) is a risk-based decision support tool that conducts safety
evaluation by integrating NAS systems, air traffic control procedures, and safety elements together with historical
and future NAS changes to support FAA Air Traffic Safety Oversight Service (AOV)’s oversight mission.
Center of Excellence for General Aviation - PEGASAS: This will be an opportunity to understand how PEGASAS
operates and interacts with the FAA, and the facilities and capabilities that are available for conducting general
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