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31 July 2011 C1 CIVIL AVIATION DEPARTMENT HONG KONG ...

31 July 2011 C1 CIVIL AVIATION DEPARTMENT HONG KONG ...

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<strong>CIVIL</strong> <strong>AVIATION</strong> <strong>DEPARTMENT</strong><strong>HONG</strong> <strong>KONG</strong>, CHINAAirworthiness Notice1. IntroductionTHIS NOTICE GIVES DETAILS OF A MANDATORY ACTIONAIRBORNE ILS (LOCALISER) VOR ANDVHF COMMUNICATION RECEIVERS -IMPROVED FM BROADCASTINTERFERENCE IMMUNITY STANDARDSNo. 84Issue 515 February 20091.1 The previous issue of this notice took account of actions to ensure aircraftfitted with navigation and communication receivers to meet improved FMbroadcast immunity standards established by ICAO. Operators were advisedthat aircraft with equipment that did not meet the improved immunitystandards might be subject to operational restrictions where an interferencerisk had been identified.1.2 This notice is re-issued to take account of EASA standards and guidelines, toclarify the situation concerning the carriage of non-compliant equipment.2 Equipment Standards2.1 To counteract the expected interference problem, ICAO, in association withthe aeronautical industry, developed and agreed improved performancestandards for ILS localiser, VOR and VHF communication receivers (nowincorporated in ICAO Annex 10, Volume I, Radio Navigation Aids, Chapter 3,paragraphs 3.1.4, 3.3.8, and Volume III, Part II Voice CommunicationSystems, Chapter 2, paragraph 2.3.3).2.2 Acceptable Minimum Operational Performance Specifications, consistent withICAO Annex 10, are shown in the following table:EQUIPMENT JAA EUROCAE RTCAILS Navigation JTSO-2C36f ED-46B DO-195VOR Navigation JTSO-2C40c ED-22B DO-196VHF Communication JTSO-2C38e ED-23B DO-1862.3 ICAO Annex 10 recommends that equipment meeting the improved immunityAN-84 P.115 February 2009

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