Honeywell EGPWS manual Hawker 800 crash at Owatonna MN, Ntsb AAR-11/01, 31 July 2008, 8 Fatal

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Hawker 800 crash at Owatonna MN

•NTSB AAR-11/01, 31 July 2008, – 8 Fatal

-CVR, no FDR and none required

-Crashed while attempting late go-around on runway 30

•EGPWS issued Bank Angle alert

-Aircraft rolled 90 degrees after becoming airborne off rwy end

•Flight History download performed at Honeywell

-Unit functional post-accident

-Memory contained 22 seconds of data

20 before Bank Angle alert

2 after Bank Angle alert (then loss of power)

•Data used to confirm:

-Flaps down before landing

-Flaps retracted after landing

-Speed increase on runway

-8 knot tailwind

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Contents Honeywell Electronics Enhanced Ground Proximity Warning System EgpwsEgpws Flight History Data was designed to Egpws Flight History DataEgpws Flight History Data can Egpws Flight History Data Limitations Egpws Flight History DataEgpws Units Class a Taws MK VI & MK Viii & MKKGP560 & KGP860 & MK Egpws Units Class B TawsKMH820 & KMH920 Egpws Flight History Data Warning/Caution Egpws Flight History Parameters GPS VfomData 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 Ntsb AAR-11/01, 31 July 2008, 8 Fatal Egpws issued Bank Angle alertHawker 800 crash at Owatonna MN 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 Intended Uses of NVM in Electronics Maintenance/TrackingTrouble Shooting Trend analysisMedium Fidelity Data Various Levels of Data AvailableLow 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 Types of Equipment and Data Fidelity Ase of DataTwin Otter Agusta A109E Aircraft with Primus Epic Medium and Low Fidelity Examples of Aircraft With Sky Connect EMS Helo Fleet Fire and RescuePreservation & Recovery Non-Volatile Memory NVM Evidence General Precautions If the component is wet, keep it wetIf an accident has occurred in fresh or salt water… General Packing and Shipping Guidelines Closing… Honeywell Digital Engine Controls Incident Recorder Applicability to Accident InvestigationAgenda Turbofan Engine Digital Control System Ectm data is divided into three broad catagoriesExamples of Data available via Ectm Engine StatisticsTFE731 Deec Generation One Gen Design Features Gen 1 Incident Recorder Design ParametersHTF7000 Family Generation Two Gen Gen 2 Incident Recorder Design Parameters Data is collected as discrete valuesTFE731 Applications Gen 1 Civil Deec Retrofit Production TFE731 Applications Gen 1 Civil Deec Production Bombardier Challenger CL Gulfstream Embraer Legacy 450 Use of Incident Recorder Data in Accident Investigation These are not Flight Data Recorders butGeneration 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?