SAE AS8039A

INTRODUCTION
1 SCOPE
  1.1 Basic Types of Flight Recorders
  1.2 Purpose
2 APPLICABLE DOCUMENTS
  2.1 Code of Federal Regulations, Title 14
  2.2 Industry Standards
  2.3 Military Specifications
  2.4 SAE Documents
  2.5 RTCA Documents
3 GENERAL REQUIREMENTS
  3.1 Material
  3.2 Workmanship
  3.3 Compatibility
  3.4 Interchangeability
  3.5 Accessibility of Controls
  3.6 Operation of Controls
  3.7 Fault Monitoring
       3.7.1 Fault Monitoring
       3.7.2 Monitoring Effects
  3.8 Input Circuit Protection
  3.9 Fire Hazard
  3.10 Marking
       3.10.1 Environmental Categories
       3.10.2 Type of Recorder
       3.10.3 Nominal Power Input Rating
       3.10.4 External Marking
       3.10.5 Application Marking
  3.11 Documentation Requirements
       3.11.1 Operating Instructions
       3.11.2 Equipment Limitations
       3.11.3 Installation Procedures
       3.11.4 Schematic Drawings
       3.11.5 Wiring Diagrams
       3.11.6 Specifications
       3.11.7 Recorder Calibration
       3.11.8 Qualification Test Procedures and Report
       3.11.9 Instructions/Documentation for Data Transcription
       3.11.10 Readout Information
       3.11.11 Specifications and Schematics for Readout Devices
4 DESIGN CONSIDERATION
  4.1 Recording Channels
  4.2 Recording Methods
  4.3 Bulk Erase
  4.4 Locating Requirement
       4.4.1 Non Ejectable Recorders
       4.4.2 Ejectable Recorders
5 MINIMUM PERFORMANCE STANDARDS IN AMBIENT ENVIRONMENT
  5.1 Ambient Conditions
  5.2 Automatic Operation
  5.3 Audio Recording
       5.3.1 Recording Duration
       5.3.2 Audio Frequency Response
       5.3.3 Input Signal Level
       5.3.4 Distortion
       5.3.5 Audio Noise Level - Without Input Signal
       5.3.6 Wow and Flutter
       5.3.7 Stray Magnetic Field
       5.3.8 Cockpit Area Microphone Assembly
  5.4 Flight Data Recording
       5.4.1 Automatic Cessation of Recording
       5.4.2 Parameters
       5.4.3 Error Rate
       5.4.4 FDR Data Readout Interface
       5.4.5 Recording Duration
       5.4.6 Retention of Recorded Information
       5.4.7 Baseline Data
6 MINIMUM PERFORMANCE STANDARD IN SEVERE ENVIRONMENTS
  6.1 Environmental Conditions
       6.1.1 Certification
  6.2 Temperature and Altitude Tests
  6.3 Humidity Test
  6.4 Shock Test
  6.5 Vibration Test
  6.6 Explosion Test
  6.7 Waterproofness Test
  6.8 Fluids Susceptibility Test
  6.9 Sand and Dust Test
  6.10 Fungus Resistance Test
  6.11 Salt Spray Test
  6.12 Magnetic Effect
  6.13 Power Input Test
  6.14 Voltage Spike Conducted Test
  6.15 Audio Frequency Conducted Susceptibility Test
  6.16 Induced Signal Susceptibility Test
  6.17 Radio Frequency Susceptibility Test (Radiated
       and Conducted)
  6.18 Emission of Radio Frequency Energy Test
7 CRASH SURVIVABILITY
  7.1 Signal Recording
  7.2 Non Ejectable Recorders
       7.2.1 Impact Shock Test
       7.2.2 Penetration Resistance Test
       7.2.3 Static Crush
       7.2.4 Fire Test
       7.2.5 Water Immersion Test
       7.2.6 Fluid Immersion Test
  7.3 Ejectable Recorders
       7.3.1 Automatic Ejection Test
       7.3.2 Impact Shock Test
       7.3.3 Fire Test
       7.3.4 Water Immersion Test
       7.3.5 Fluid Immersion Test
  7.4 Signal Reproduction

This standard covers three (3) basic types of flight recorders as defined below:All requirements specified inSections 3,4,5,6and7of this standard shall be applicable to all recorder types unless otherwise noted.