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Segmented steep precision approaches based on GLS

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Abstract

As the international air traffic becomes more and more complex there is a growing demand for new operational procedures. Especially quiet and fuel efficient approaches are desired. As a Ground Based Augmentation System (GBAS) provides more flexibility than current precision landing systems, it is identified as a potential main technology for providing different approach procedures tailored for the demands at a special location. Especially steep precision approaches have a high potential for noise reduction as the aircraft stays at a higher altitude for a longer time. A GBAS uses GPS reference receivers to calculate corrections for the observed ranges of the satellite signals. Together with a VHF Data Broadcast that transmits the corrections as well as one or multiple desired approach paths the GBAS becomes a precision approach system (GLS). The possibility of broadcasting multiple approaches for a single runway end offers approaching aircraft to choose the most efficient and quiet approach that can be operationally achieved with the respective type of aircraft. As steep approaches with a single glide path angle introduce some operational limitations, the flexibility of a GLS offers the design and the execution of segmented steep precision approaches which are a compromise between the possible efficiency and the introduced operational limitations.

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Authors and Affiliations

  1. Deutsches Zentrum für Luft- und Raumfahrt (DLR) e.V., Institute of Flight Guidance, Lilienthalplatz 7, 38108, Braunschweig, Germany

    Robert Geister

  2. TU Braunschweig, Hermann-Blenk-Str. 27, 38108, Braunschweig, Germany

    Robert Geister

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  1. Robert Geister
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Correspondence to Robert Geister.

Additional information

This paper is based on a presentation at the German Aerospace Congress, September 27–29, 2011, Bremen, Germany.

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Geister, R. Segmented steep precision approaches based on GLS. CEAS Aeronaut J 2, 139–146 (2011). https://doi.org/10.1007/s13272-011-0016-6

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  • DOI: https://doi.org/10.1007/s13272-011-0016-6

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