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Ultralight Aircraft Noise Certification in the Federal Republic of Germany.

Dobrzynski, W. (1990) Ultralight Aircraft Noise Certification in the Federal Republic of Germany. DLR-Interner Bericht. 129-90/22. 4 S.

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ICAO CAEP is encouraged to adopt - as an alternative - the noise certification procedure for ultralight aeroplanes as introduced in the Federal Republic of Germany. This procedure follows the ANNEX 16 Chapter 6 procedure with the following changes, thus making the noise certification procedure very simple and inexpensive to conduct, while maintaining a sufficient degree of accuracy: - No definition of atmosperic reference conditions - No restrictions with respect to ambient relative humidity - Narrower air temperature window (8 degrees centigrade to 10 degreescentigrade) - Test flight height between 75 m to 150 m - Equal numbers of flights for head and tail wind conditions - Engine to be operated at full throttle maximum take-off power - Application of a ground board microphone system - No noise data adjustment for atmospheric attenuation, helical blade tip Mach number (air temperature) and no performance correction.

Item URL in elib:https://elib.dlr.de/35858/
Document Type:Monograph (DLR-Interner Bericht)
Additional Information: LIDO-Berichtsjahr=1990,
Title:Ultralight Aircraft Noise Certification in the Federal Republic of Germany.
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Number of Pages:4
Keywords:Ultralight Aircraft, Aircraft Noise Certification
HGF - Research field:UNSPECIFIED
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:UNSPECIFIED
DLR - Program:no assignment
DLR - Research theme (Project):L - Turbine Technologies (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: DLR-Beauftragter, elib
Deposited On:03 Apr 2006
Last Modified:27 Apr 2009 10:04

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