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Use of UAS Reports (UREPs) during TCL3 Field TestingDuring the NASA Unmanned Aircraft System (UAS) Traffic Management (UTM) Project’s Technical Capability Level 3 (TCL3) demonstration, a service for stakeholders to share weather and aircraft observations was tested. The overall goal was to increase awareness of airspace and weather activity to increase a pilot’s ability to fly safely. To achieve this goal, a mechanism to share data was created, called “UAS Reports” or UREPs, which were generated by client systems and sent to a central data service. The data service provided subscriptions and allowed for data requests to share the reports that had been sent in by stakeholders. To execute this functionality, four FAA (Federal Aviation Administration)-designated UAS test sites performed UREP testing as part of TCL3. NASA provided the centralized service and test site partners flew missions and simulated activity at the test sites to generate data to send to the service. The loop was closed by having other clients (usually other small UAS operators) request those data from the service or subscribe to feeds from the service. Overall, the tests demonstrated the utility of such a service. In this report, the testing setup, data collection, and analysis of results are presented. The concept of UREPs has since been incorporated as a service within NASA’s Conflict Mitigation Model for UTM. The concept will continue to be tested in NASA’s TCL4 activities.
Document ID
Acquisition Source
Ames Research Center
Document Type
Technical Memorandum (TM)
Rios, Joseph L.
(NASA Ames Research Center Moffett Field, CA, United States)
Martin, Lynne
(NASA Ames Research Center Moffett Field, CA, United States)
Mercer, Joey
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
September 23, 2019
Publication Date
July 1, 2019
Subject Category
Aircraft Communications And Navigation
Report/Patent Number
NASA/TM-2019- 220336
Distribution Limits
Work of the US Gov. Public Use Permitted.
Technical Review
NASA Technical Management
UAS Traffic Management
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