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Course Description
Objectives
Who Should Attend
Course Outline
Course Duration

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Helicopter Accident Investigation


Course Description:

The course examines helicopter rotor systems, controls, performance variables, flight hazards and material characteristics involved in helicopter operations and accidents.  Although Aircraft Accident Investigation is not a prerequisite, it is assumed that the attendee has either completed AAI or has some experience in aircraft accident investigation.

Objectives:  To provide concepts, practical techniques and methodologies essential to rotary wing aircraft accident investigation.

Who Should Attend:  Persons associated in rotary wing accident investigation including manufacturers, operators, associations, insurers, law enforcement, military and government agencies.

Course Outline

  1. Investigation
    • Role of the Investigator
      • Investigation Skills
      • Assessing Indicators of Accidents
      • Investigative Process
      • Data Collection
      • Report Development and Analysis
      • Investigative Tools
      • Risk and the Operating Environment
    • Pre-Investigative Planning
      • Operational Procedures
      • Responsiveness
      • Support Sources
      • Equipment for Investigation
      • Technical Information
    • On-Site Helicopter Accident Investigation
      • Initial on-site Actions
      • Jurisdiction
      • Importance of Arriving Early
      • Accident Scene Identification
      • Fluid Sample Analysis
      • Inventory of Aircraft Wreckage
      • Diagrams; Plan, Profile, Polar, Base Line, Witness, Impact Angle
      • Photography
        • External Sources for Photography
        • Types of Photography (Digital/Film, Video)
        • Aspects: Overhead, Flight path, Witness and Instrument
      • Reconstruction
      • Impact Force Determination
      • Rotor System Examination
      • Fire Investigation; Source and Temperature
      • Powerplant Investigation; Turbine and Reciprocating
      • Composite Materials and Considerations
      • Instrument Examination
      • Support Service Investigation
      • Off-Site Investigation
      • Maintenance Record(s) Evaluation
      • Operational Investigation; Training, Operations, Policies, Pilot Records
      • Witness Interview
      • Other Human Factors
      • Pathological Support
      • Crashworthiness
      • Meteorological Investigation
      • Communications
      • Air Traffic Control
      • RADAR Data
      • Case Study
  2. Helicopter Fundamentals and Material Factors
    • Material Failure Analysis
    • Rotor System Characteristics
    • Hover and Low Speed Operations
    • Downwind Operations
    • Forward Flight Operations
    • Mast Bumping
    • Height/Velocity Variables
    • Dynamic Stall
    • Compressibility Effects
    • Autorotation Variables
    • Dynamic Rollover
    • Ground Resonance
    • Air Resonance
    • Rotor Divergence
    • Tail Rotor/Anti-Torque performance Variables
    • Energy Attenuation Systems
  3. Various Exemplar Examinations-Films Exercises Related to Operational Factors
    • Risk and Consequence
    • External Influence on Helicopter Pilots
    • Improper Performance Planning
    • Component Failure
    • Improper Design
    • Improper Maintenance
    • Physiological/Psychological Factors
    • Hover and Downwind Operations

Course Duration:  4.5 Days

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