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Enabling Advanced Continuous Descent Approaches: Results of the European Project OPTIMAL

Lenz, Helge and de Muynck, Robert (2008) Enabling Advanced Continuous Descent Approaches: Results of the European Project OPTIMAL. ODAS 2008 9th ONERA-DLR Aerospace Symposium, 2008-10-22 - 2008-10-24, Châtillon, FRA.

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Abstract

This paper describes the development and implementation of environmentally efficient CDA techniques in a future operational environment. It consists of two parts. The first part reports about operational aspects of integrating CDAs in an Amsterdam Airport Schiphol high density traffic scenario. The efficient CDA operation in such a busy traffic environment is promoted by the combined use of new and/or already available enabling airborne and ATM technology. This in-cludes airborne tools, such as FMS CDA functions, cockpit display cues, and im-proved ATC tools by means of accurate arrival management, air-ground data-link and controller sequencing aids. The simulations involved both flight crews and air traffic controllers showed promising results with respect to the feasibility of the concept to achieve high density CDA traffic flows. Whereas this kind of operation still puts some restrictions on aircraft flying the CDA and thus, do not allow for a fully optimised approach profile, the second part of this paper explains opera-tional concepts and airborne functions that will allow optimised CDAs in high density traffic situations. It demonstrates that with the developed FMS functions an optimised CDA can be flown in 4D so that e.g. in a “Late-Merging-Point” sce-nario, a given RTA can be met with high accuracy. Flight trials with DLR’s test aircraft ATTAS, a modified VFW 614 and with DLR’s Advanced Flight Man-agement System onboard, proved a highly accurate predictability of 4D optimised CDA trajectories.

Document Type:Conference or Workshop Item (Speech)
Title:Enabling Advanced Continuous Descent Approaches: Results of the European Project OPTIMAL
Authors:
AuthorsInstitution or Email of Authors
Lenz, HelgeUNSPECIFIED
de Muynck, RobertNLR
Date:October 2008
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Advanced Continuous Descent Approach, CDA, ACDA, OPTIMAL
Event Title:ODAS 2008 9th ONERA-DLR Aerospace Symposium
Event Location:Châtillon, FRA
Event Type:international Conference
Event Dates:2008-10-22 - 2008-10-24
Organizer:ONERA
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:L SF - Safe and Efficient Air Traffic Guidance (old)
DLR - Research area:Aeronautics
DLR - Program:L SF - Safe and Efficient Air Traffic Guidance
DLR - Research theme (Project):L - Human Factors and Safety in Aeronautics
Location: Braunschweig
Institutes and Institutions:Institute of Flight Control > Pilot Assistance
Deposited By: Helge Lenz
Deposited On:11 Dec 2008
Last Modified:15 Jan 2010 00:38

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