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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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4.5 Type IVA FDR Requirements4.5.1 Applicable helicopters shall be equipped with a Type IVA FDRwith a recording duration of at least ten hours.4.5.2 A Type IVA FDR shall record the parameters required to determineaccurately the helicopter flight path, speed, attitude, engine power,configuration and operation.4.5.3 The parameters that satisfy the requirements for a Type IVA FDRare listed under ICAO Annex 6 Part III Appendix 5 paragraph 2.2.2and Table A5-1. The parameters without an asterisk (*), asprescribed in the aforementioned ICAO Annex paragraphs, aremandatory parameters which shall be recorded. In addition, theparameters designated by an asterisk (*) shall be recorded if aninformation data source for the parameter is used by helicoptersystems or the flight crew to operate the helicopter.4.6 CVR Requirements4.6.1 CVR shall be capable of retaining the information recorded during atlest the last two hours of its operation.4.6.2 CVR shall meet the performance requirements as contained in theMinimum Operational Performance Specification (MOPS) ED-56A forFlight Recorder Systems of the European Organisation for CivilAviation Equipment (EUROCAE) or equivalent documents.4.7 Data Link Communications Requirements4.7.1 The data link communications messages shall be recorded on a flightrecorder.4.7.2 The minimum recording duration shall be equal to the duration of theCVR.4.7.3 Data link recording shall be able to be correlated to the recordedcockpit audio.<strong>31</strong> <strong>July</strong> <strong>2011</strong> AN-101D P.6

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