ISO INTERNATIONAL STANDARD 7137 NORME Fourth edition Quatrieme édition 1995-06-01 INTERNATIONALE Aircraft - Environmental conditions and test procedures for airborne equipment Aéronefs -- Conditions d'environnement et procedures d'essai pour les éguipements embarqués OST Reference number Numero de reference ISO 7137 1995(E/F) No reproduction or networking permitted without license from IHS Not for Resale ISO7137:1995(E/F) Foreword ISO (the International Organization for Standardization) is a worldwide federationofnationalstandardsbodies(lsOmemberbodies).Theworkof preparing International Standards is normally carried out through so technical committees Each member body interested in a subject for which a technical committee has been established has the right to be rep- non-governmental, in liaison with isO, also_take part in the work. Iso collaborates closely with the international Electrotechnical Commission (IEC) on ali matters of electrotechnical standardization. Draft Internationat 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 avote. International Standard ISO 7137 was prepared by Technicai Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 5, Environ- mental and operational conditions foraircraft equipment This fourth edition cancels and replaces the third edition (ISO 7137 1992) of which it constitutes a technical revision to endorse Revision No. 2 of publications EUROCAE/ED-14C and RTCA/DO-160C. Standard implies its latest edition, unless otherwise stated. ISO 1995 reproduced or utilized in any form or by any means, electronic or mechanicai, including photocopying and microfilm, without permission in writing from the publisher /Droits de reproduction reserves Sauf prescription differente, aucune partie de cette publication ne électronique ou mecanique, y compris la photocopie et les microfilms, sans I'accord écrit de 'éditeur International Organization for Standardization Case postale 56 · CH-1211 Geneve 20 · Switzerland Printed in Switzerland/lmprime en Suisse i CoyghntemationarganizatinfStandardizaton No reproduction or networking permited without license from IHS Not for Resale ISO 7137:1995(E/F) INTERNATIONAL STANDARD ISO Aircraft - Environmental conditions and test procedures for airborne equipment 1 Scope 3 Test procedures This International Standard lists the different environ- The test procedures given in table 1 are issued or mental conditions and test procedures for airborne endorsed by ISO. equipment and is primarily intended for civil and/or transport aircraft applications. 4 Reference to IsO test procedures This International Standard is an endorsement of When referring to environmental conditions and test sectionsof publicationsEUROCAE/ED-14C and procedures dealt with in this International Standard, RTCA/DO-160C1), which supplement several ISO reference shall be made to the number of this Inter- International Standards national Standard andtothereference numberof the test procedure as given in table 1 Use the example given below as a model. 2 Requirements EXAMPLE Environmental conditions and test procedures appli- Reference to the test procedure for fluids susceptibility in cable to airborne equipment are laid down in accordance with section 11 of EUROCAE/ED-14C and EUROCAE/ED-14C and RTCA/DO-160C, 1989-12-12 RTCADO-160Cshallbemadeasfollows editions, amended in accordance with revision No.2 (1992-06-19), which are adopted as de facto isO Test procedure IS0 7137 - 1.6 International Standards All environmental conditions and test procedures laid 5 Revision of EUROCAE/ED-14C and down in EUROCAE/ED-14C and RTCA/DO-160C are RTCA/DO-160C not necessarily applicable to all airborne equipment The selection of the appropriate environmental con- It has been agreed with EUROCAE and RTCA that ditions and test procedures is the responsibility of the Techni