FAA to Pilots: Check if Your Black Box Switch is Upside Down!
Published Date: 2/19/2025
Proposed Rule
Summary
The FAA wants to make sure certain MHI RJ Aviation ULC regional jets have their cockpit voice recorder impact switches installed the right way. If the switch is backwards, it could cause safety problems, so inspections and fixes will be required. Airlines need to comment by April 7, 2025, and while this might cost some time and money, it’s all about keeping flights safe and sound.
Analyzed Economic Effects
2 provisions identified: 0 benefits, 2 costs, 0 mixed.
Required CVR Impact Switch Inspections
If you operate the listed MHI RJ Aviation ULC regional jets (models CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25), you must inspect the cockpit voice recorder (CVR) impact switch to confirm the reset switch faces forward. The FAA estimates this inspection affects 602 U.S.-registered airplanes and will take about 1 work-hour at $85 per airplane.
Mandatory Reinstallation If Switch Incorrect
If the CVR impact switch is found installed in the wrong direction, operators must reinstall it so the reset switch faces forward before further flight. The FAA estimates reinstallation would take about 1 work-hour and cost $85 per airplane for the on-condition action; the FAA did not specify how many airplanes will require this corrective action.
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Key Dates
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