Honeywell EGPWS manual Preservation & Recovery Non-Volatile Memory NVM Evidence

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Preservation & Recovery of

Non-Volatile Memory (NVM) Evidence

25	File Number

Image 25

Contents Enhanced Ground Proximity Warning System Egpws Honeywell ElectronicsEgpws Flight History Data was designed to Egpws Flight History DataEgpws Flight History Data can Egpws Flight History Data Egpws Flight History Data LimitationsMK VI & MK Viii & MK Egpws Units Class a TawsKGP560 & KGP860 & MK Egpws Units Class B TawsKMH820 & KMH920 Egpws Flight History Data Warning/Caution GPS Vfom Egpws Flight History ParametersData can be superimposed over maps/chart KML Does not record what is not inputData that is invalid is noted as such Flight History Retrieval Process Hawker 800 crash at Owatonna MN Egpws issued Bank Angle alertNtsb AAR-11/01, 31 July 2008, 8 Fatal Flight History download performed at HoneywellNtsb AAR-07/02, 16 February 2005 8 fatal Cessna 560 crash at Pueblo, CO2 Flight History data chips broken, data irretrievable Non-Volatile Memory NVM An Increasing Aide in Investigations Agenda Trouble Shooting Maintenance/TrackingIntended Uses of NVM in Electronics Trend analysisLow Fidelity Data Various Levels of Data AvailableMedium Fidelity Data High Fidelity DataExample of Low Fidelity Data Example of Medium Fidelity Data Example of High Fidelity Data 1Hz Rate Precision as Witnessed during Taxi Ase of Data Types of Equipment and Data FidelityTwin Otter Agusta A109E Aircraft with Primus Epic Medium and Low Fidelity Fire and Rescue Examples of Aircraft With Sky Connect EMS Helo FleetPreservation & Recovery Non-Volatile Memory NVM Evidence If the component is wet, keep it wet General PrecautionsIf an accident has occurred in fresh or salt water… General Packing and Shipping Guidelines Closing… Applicability to Accident Investigation Honeywell Digital Engine Controls Incident RecorderAgenda Ectm data is divided into three broad catagories Turbofan Engine Digital Control SystemEngine Statistics Examples of Data available via EctmTFE731 Deec Generation One Gen Gen 1 Incident Recorder Design Parameters Design FeaturesHTF7000 Family Generation Two Gen Data is collected as discrete values Gen 2 Incident Recorder Design ParametersTFE731 Applications Gen 1 Civil Deec Retrofit Production TFE731 Applications Gen 1 Civil Deec Production Bombardier Challenger CL Gulfstream Embraer Legacy 450 These are not Flight Data Recorders but Use of Incident Recorder Data in Accident InvestigationGeneration 1 Deec Plotted Data Generation 1 Deec Plotted Data Generation 2 Fadec Plotted Data If the Deec or Fadec appears intact Post Accident PrecautionsUnits and return Attempt to identify the types of electronics that the t th Honeywell Support for Downloading and Analysis Example of Challenging Download Accident Contact Information Questions?