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Flight Technical Error Evaluations for GBAS Navigation Requirement Definition

Felux, Michael and Lee, Jiyun and Holzapfel, Florian (2018) Flight Technical Error Evaluations for GBAS Navigation Requirement Definition. 31st Congress of the International Council of the Aeronautical Sciences, 09.-14. Sep. 2018, Belo Horizonte, Brazil. ISBN 978-3-932182-88-4

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Official URL: https://www.icas.org/ICAS_ARCHIVE/ICAS2018/data/preview/ICAS2018_0722.htm


Requirements for a CAT-II/III capable service type of the Ground Based Augmentation System (GBAS) were derived from the definition of a safe landing of an aircraft within a pre-defined touchdown zone on the runway. The contributions to the total system error come from the navigation system on the one hand and the autopilot performance on the other hand. In order to quantitatively assess the touchdown performance of a given aircraft and its autopilot, Monte-Carlo simulations are performed and the results modelled. The touchdown performance is usually described by a fitted Gaussian distribution. This distribution is used for deriving the navigation system requirements. This paper argues that fitting the data to a Gaussian distribution is inappropriate and may lead to an underestimation of the residual risks of landing outside the touchdown box. It therefore describes two alternative methods to model the touchdown performance: a Gaussian overbound and a Johnson distribution. Both methods are described and the implications of modelling the performance in these ways are discussed.

Item URL in elib:https://elib.dlr.de/123879/
Document Type:Conference or Workshop Item (Speech)
Title:Flight Technical Error Evaluations for GBAS Navigation Requirement Definition
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Felux, MichaelMichael.Felux (at) dlr.dehttps://orcid.org/0000-0002-8368-4422
Lee, Jiyunkaisthttps://orcid.org/0000-0002-2291-3623
Holzapfel, Floriantechnische universität münchenhttps://orcid.org/0000-0003-4733-9186
Date:September 2018
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:GBAS, NSE, FTE
Event Title:31st Congress of the International Council of the Aeronautical Sciences
Event Location:Belo Horizonte, Brazil
Event Type:international Conference
Event Dates:09.-14. Sep. 2018
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:air traffic management and operations
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Communication, Navigation and Surveillance
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Felux, Michael
Deposited On:28 Nov 2018 15:56
Last Modified:28 Nov 2018 15:56

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