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Concepts of Integration for UAS Operations in the NASOne of the major challenges facing the integration of Unmanned Aircraft Systems (UAS) in the National Airspace System (NAS) is the lack of an onboard pilot that can comply with the legal requirement identified in the US Code of Federal Regulations (CFR) that pilots see and avoid other aircraft. UAS will be expected to demonstrate the means to perform the function of see and avoid while preserving the safety level of the airspace and the efficiency of the air traffic system. This paper introduces a Sense and Avoid (SAA) concept for integration of UAS into the NAS that is currently being developed by the National Aeronautics and Space Administration (NASA) and identifies areas that require additional experimental evaluation to further inform various elements of the concept. The concept design rests on interoperability principles that take into account both the Air Traffic Control (ATC) environment as well as existing systems such as the Traffic Alert and Collision Avoidance System (TCAS). Specifically, the concept addresses the determination of well clear values that are large enough to avoid issuance of TCAS corrective Resolution Advisories, undue concern by pilots of proximate aircraft and issuance of controller traffic alerts. The concept also addresses appropriate declaration times for projected losses of well clear conditions and maneuvers to regain well clear separation.
Document ID
20120015770
Acquisition Source
Langley Research Center
Document Type
Other
Authors
Consiglio, Maria C.
(NASA Langley Research Center Hampton, VA, United States)
Chamberlain, James P.
(NASA Langley Research Center Hampton, VA, United States)
Munoz, Cesar A.
(NASA Langley Research Center Hampton, VA, United States)
Hoffler, Keith D.
(Adaptive Aerospace Group Hampton, VA, United States)
Date Acquired
August 26, 2013
Publication Date
September 23, 2012
Subject Category
Air Transportation And Safety
Report/Patent Number
NF1676L-13199
Funding Number(s)
WBS: WBS 425425.04.01.07.02
Distribution Limits
Public
Copyright
Public Use Permitted.
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