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Cockpit Visualization of Curved Approaches based on GBAS

Geister, Robert Manuel and Kapol, Tatjana (2013) Cockpit Visualization of Curved Approaches based on GBAS. ION PNT 2013, 22. - 25. 4. 2013, USA.

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The demand for fuel efficient flight paths which include shorter routes and routes adapted to the prevailing terrain as well as the aim to reduce the perceived noise on the ground in the terminal area of airports lead to the development of curved approach procedures. To be able to conduct curved approach procedures, an aircraft is on the one hand required to be able to determine its position very precisely. On the other hand, it is required to be able to follow the required flight path very accurately. The first is usually archived with satellite navigation or a combination of different navigation systems and the latter can be achieved by an autopilot which has to be rather sophisticated when intending to follow a curved approach path. This indicates that an aircraft has to be highly equipped with navigation and guidance avionics systems. To fully exploit the advantages of curved approach procedures, it is desired that the majority of aircraft are able to conduct curved approach procedures even with a less sophisticated degree of equipage. A key enabler for curved approach procedures is a Ground Based Augmentation System (GBAS). It broadcasts pseudorange corrections for all satellites in view to enable airspace users to augment their own position. In addition, it broadcasts desired flight paths. Next to standard “straight-in” Final Approach Segments (FAS), GBAS messages are defined in the RTCA standard DO-246D that provide the possibility to broadcast curved precision approach paths. This Terminal Area Path (TAP) functionality in combination with the augmentation of the user’s position can be used as a sole means to conduct a curved approach. The advantage of this setup is that a high accuracy and a high integrity in the lateral as well as in the vertical position domain can be achieved and the aircraft does not have to be equipped with a current database for the published approach procedures. Different ways to present flight path data were investigated and flight tested in this work.

Item URL in elib:https://elib.dlr.de/85948/
Document Type:Conference or Workshop Item (Speech)
Title:Cockpit Visualization of Curved Approaches based on GBAS
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Geister, Robert ManuelUNSPECIFIEDhttps://orcid.org/0000-0003-0433-1635UNSPECIFIED
Date:April 2013
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:GBAS, curved approaches, Terminal area path, tunnel-in-the-sky
Event Title:ION PNT 2013
Event Location:USA
Event Type:international Conference
Event Dates:22. - 25. 4. 2013
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:ATM and Operation (old)
DLR - Research area:Aeronautics
DLR - Program:L AO - Air Traffic Management and Operation
DLR - Research theme (Project):L - Efficient Flight Guidance (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Guidance > Systemergonomy
Institute of Flight Guidance > ATM-Simulation
Deposited By: Geister, Robert Manuel
Deposited On:28 Nov 2013 15:06
Last Modified:01 Dec 2018 19:49

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