ISO INTERNATIONAL STANDARD 14509-1 First edition 2008-10-01 Small craftAirborne sound emitted by powered recreational craft Part 1: Pass-by measurement procedures Petits navires-Bruit aerien émisparlesbateauxdeplaisance motorisés- Partie1:Methodesdemesurepour I'essaidepassage Reference number ISO 14509-1:2008(E) @ISO 2008 ISO 14509-1:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTEDDOCUMENT ISO2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, ISO's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii @ ISO 2008 - All rights reserved ISO 14509-1:2008(E) Contents Page Foreword IV 1 Scope 2 Normative references 3 Terms and definitions. 4 Symbols... 5 Measurement quantity... 6 Measurementuncertainty.. 7 Measuring equipment... 8 Testsite specifications and environmental conditions. 9 Testcourse,microphonepositionsandmeasurementdistance, 6 10 Operating conditions 11 Testprocedure. 9 12 Test report.. 9 13 Standard craft specifications for outboard motor type tests according to Clause 1o..... 10 14 Standard craft specificationsfortypetestsfor sterndrives with integralexhaust systems accordingto Clause1o.... .11 Annex A (normative)Measurement of the sound exposure level. 12 Annex B(informative)Example of test reportform. .16 Bibliography .18 Figures Figure 1Position of themicrophone and test course Figure2—Microphonepositionandheights Tables Table1Standarddeviation of reproducibility of individual sources of measurement.. Table 2Variabilityfor a coverage probability of 9o %. 4 Table 3 - Correction for background sound pressure level, L"pAs, for monitoring tests... Table 4Standard craft specifications ... Table5—Standard craftspecificationsforpetrolengines Table6Standardcraftspecificationsfordiesel engines Table A.1Standard deviation of reproducibility of individual sources of measurement... Table A.2Variability for a coverageprobability of 90 % 13 Table A.3Correctionforbackground soundexposure level, L"Ae,for monitoringtests.. @ ISO 2008 - All rights reserved ii ISO14509-1:2008(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies technical committees. Each member body interested in a subject for which a technical committee has been non-governmental, in liaison with IsO, also take part in the work. Iso collaborates closely with the InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2 The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 14509-1 was prepared byTechnical Committee ISO/TC 188, Small craft. This first edition of isO 14509-1 cancels and replaces Is0 14509:2000, which has been technically revised. It alsoincorporatestheAmendmentlsO14509:2000/Amd.1:2004. Iso 14509 cons