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DOT/FAA RIN: 2120-AL92 Publication ID: Fall 2023 
Title: 25-Hour Cockpit Voice Recorder Requirement, New Aircraft Production 

This rulemaking would increase the recording time of cockpit voice recorders (CVRs) from the currently mandated 2-hour loop to a proposed 25-hour loop for all future manufactured aircraft. This action is responsive to the National Transportation Safety Board’s (NTSB) Safety Recommendation A-18-030, which recommended the installation of CVRs with a 25-hour minimum recording capability on all newly manufactured airplanes required to have a CVR. This rulemaking effort will ensure harmonization with existing international requirements such as, International Civil Aviation Organization (ICAO), European Union Aviation Safety Agency (EASA), and other civil aviation authorities (CAAs). The intended effect of this action is to provide accident investigators, operators, and CAAs with substantially more CVR data to prevent future incidents and accidents.

Agency: Department of Transportation(DOT)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: Undetermined  Unfunded Mandates: Undetermined 
CFR Citation: Not Yet Determined     (To search for a specific CFR, visit the Code of Federal Regulations.)
Legal Authority: 49 U.S.C. 106(f)    49 U.S.C. 106(g)    49 U.S.C. 40101(d)    49 U.S.C. 44701   
Legal Deadline:  None
Action Date FR Cite
NPRM  06/00/2024 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Charisse Green
Department of Transportation
Federal Aviation Administration
800 Independence Avenue SW,
Washington, DC 20591
Phone:202 385-4651