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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 415 records · Page 23

Near Term Urban Air Mobility Use Cases in the Dallas Fort-Worth Area

NASA is conducting research on airspace management and flight procedures concepts for Urban Air Mobility (UAM). A series of collaborative meetings between NASA and Joby, informed by FAA and DFW airport subject matter experts, spanned several years and developed five use cases for operations in the Dallas-Fort Worth Airport (DFW) area. This report describes how UAM aircraft could navigate between vertiports within a region with a high volume of conventional air traffic in the neighboring areas and provides recommendations for introducing UAM operations at DFW. The objective of this effort is to evaluate the extent to which UAM flights are possible in the current National Airspace System and identify whether existing approaches to expanded operations will work for UAM.

Urban Air Mobility↗

Chart case opens to form briefing easel

Aluminum carrying case protects charts during transit and opens to form a rigid easel for their presentation. Looseleaf clamps hold the charts in place for both carrying and displaying them.

Nelson, R. A.↗

A Case History of Titanium Stress Corrosion in Nitrogen Tetroxide

An investigation of the incompatibility of titanium in certain grades of nitrogen tetroxide will be discussed as a case history. The methodology used in its resolution will point out some of the dangers associate with compatibility testing. The methodology also will present some of the difficulties associated with coordinating an investigation involving many contractors and U. S. Government agencies. The techniques employed in this investigation are described in considerable detail for the benefit of investigators with similar problems.

Johnson, Robert E.↗