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Combining Advanced-RNP with SBAS Guided Precision Terminal Area Paths and Final Approach Guidance

Dautermann, Thomas and Geister, Robert (2015) Combining Advanced-RNP with SBAS Guided Precision Terminal Area Paths and Final Approach Guidance. 11th US European ATM Seminar, 23-26 Juni 2015, Lissabon, Portugal.

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Official URL: http://www.atmseminar.org/papers.cfm?seminar_ID=11

Abstract

Satellite based augmentation systems (SBAS) for Global Navigation Satellite Systems (GNSS) currently enable precise vertical and lateral guidance for aircraft during the final approach. The newly established advanced-Required Navigation Performance (RNP) concept allows all aircraft to follow repeata-ble ground tracks even during curved segments in the approach. This was previously only possible with special aircraft and air-crew authorization. Terminal Area Paths (TAPs) allow the path definition and vertical guidance during the arrival and initial through intermediate approach segment. Here, we report on the design and flight test results of advanced procedures that employ combinations of the three aforementioned possibilities. We in-clude TAPs, originally a concept from the Ground Based Aug-mentation System (GBAS), into the onboard FMS database in order to use them with an SBAS based navigation solution. The TAPs transition to a localizer performance with vertical guidance final approach segment, thus enabling vertically guided continu-ous descent approaches from cruise level at selectable descent angles down to 200ft. During the flight trials, an A320 research aircraft was able to follow the desired trajectory with vertical and lateral total system accuracy of less than 20 meters. Secondly, we show that combinations of advanced RNP with SBAS final approach segments can effectively decouple runways in dense traffic environments where these runways previously were pro-cedurally dependent. Sufficient obstacle clearance can also be achieved despite power lines with a height of ~300ft passing just south of the airport. While performing the flight trials, we rec-orded a lateral precision better than 44.5 m during a curved missed approach using automatic flight control in a Hawker 750XP business aircraft.

Item URL in elib:https://elib.dlr.de/94816/
Document Type:Conference or Workshop Item (Speech)
Title:Combining Advanced-RNP with SBAS Guided Precision Terminal Area Paths and Final Approach Guidance
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Dautermann, ThomasFL-PASUNSPECIFIED
Geister, RobertFL-ASMUNSPECIFIED
Date:23 June 2015
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:satellite navigation;GNSS;GPS; RNP;performance based naviagtion; PBN; flight trials
Event Title:11th US European ATM Seminar
Event Location:Lissabon, Portugal
Event Type:international Conference
Event Dates:23-26 Juni 2015
Organizer:Eurocontrol & FAA
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 - Efficient Flight Guidance
Location: Braunschweig
Institutes and Institutions:Institute of Flight Control > ATM-Simulation
Institute of Flight Control > Pilot Assistance
Institute of Flight Control
Deposited By: Dautermann, Dr. Thomas
Deposited On:25 Nov 2015 16:24
Last Modified:25 Nov 2015 16:24

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