Preflight testing and maintenance checks for cockpit voice recorders
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Preflight Testing and Maintenance Checks for Cockpit Voice Recorders PowerPoint PPT Presentation


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Preflight Testing and Maintenance Checks for Cockpit Voice Recorders. Problem during installation. CVR System. CVR Audio. Four audio channels Cockpit area microphone (CAM) Pilot audio panel Copilot audio panel Audio panel for third crewmember

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Preflight Testing and Maintenance Checks for Cockpit Voice Recorders

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Preflight testing and maintenance checks for cockpit voice recorders

Preflight Testing and Maintenance Checks for Cockpit Voice Recorders


Cvr system

Problem during installation

CVR System


Cvr audio

CVR Audio

  • Four audio channels

    • Cockpit area microphone (CAM)

    • Pilot audio panel

    • Copilot audio panel

    • Audio panel for third crewmember

  • No Federal requirement for fourth channel (for two-pilot aircraft)


Accident helicopter cvr

Accident Helicopter CVR

  • Pilot and copilot CVR channels

    did not contain any audio

  • Audio from CAM was poor


N579eh cvr system installation

105 position

105 position

103 position

103 position

N579EH CVR System Installation

Side view of pilot audio panel

Side view of copilot audio panel


Critical cvr system checks

Critical CVR System Checks

  • CVR readout

    • Would have detected problem with helicopter CVR installation

    • Can be performed during periodic maintenance

  • Audio check

    • Performed before first flight of day


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