Honeywell EGPWS manual Non-Volatile Memory NVM An Increasing Aide in Investigations

Page 12

Honeywell Electronics

Non-Volatile Memory (NVM):

An Increasing Aide in Investigations

Jay Eller

Air Safety Investigator

Honeywell Aerospace

August 27, 2012

12	File Number

Image 12

Contents Honeywell Electronics Enhanced Ground Proximity Warning System EgpwsEgpws Flight History Data Egpws Flight History Data was designed toEgpws Flight History Data can Egpws Flight History Data Limitations Egpws Flight History DataEgpws Units Class a Taws MK VI & MK Viii & MKEgpws Units Class B Taws KGP560 & KGP860 & MKKMH820 & KMH920 Egpws Flight History Data Warning/Caution Egpws Flight History Parameters GPS VfomDoes not record what is not input Data can be superimposed over maps/chart KMLData that is invalid is noted as such Flight History Retrieval Process Egpws issued Bank Angle alert Hawker 800 crash at Owatonna MNNtsb AAR-11/01, 31 July 2008, 8 Fatal Flight History download performed at HoneywellCessna 560 crash at Pueblo, CO Ntsb AAR-07/02, 16 February 2005 8 fatal2 Flight History data chips broken, data irretrievable Non-Volatile Memory NVM An Increasing Aide in Investigations Agenda Maintenance/Tracking Trouble ShootingIntended Uses of NVM in Electronics Trend analysisVarious Levels of Data Available Low Fidelity DataMedium 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 Post Accident Precautions If the Deec or Fadec appears intactUnits 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?