; and (3) be equipped with an airframe low-frequency ULD that will function for at least 90 days and that can be detected by equipment available on military, search and rescue, and salvage assets commonly used to search for and recover wreckage. (b) 25-Hour requirement Not later than 1 year after the date of enactment of this Act, the Administrator of the Federal Aviation Administration shall issue such regulations as are necessary to require that all newly manufactured aircraft operating under part 121 or part 135 of title 14, Code of Federal Regulations, that are required to have a CVR and a FDR be equipped to retain at least the last 25 hours of recorded information. (c) Schedule for compliance In issuing regulations under subsections (a) and (b), the Administrator shall require the installation of the additional recorder system required under this section on commercial aircraft that are ordered by an air carrier on or after January 1, 2027. (d) Compliant additional flight recorder system Compliant technologies must enable safety investigators to recover mandatory flight data parameters without requiring underwater recovery of the recording device. This requirement does not require a third combination FDR/CVR recording mechanism to satisfy the regulation. Compliant technologies can include an automatic deployable flight recorder system, transmission of flight recorder data, and other technologies. (e) Definitions In this Act: (1) Automatic deployable flight recorder system The term automatic deployable flight recorder system means a flight data recorder, cockpit voice recorder, and emergency locator transmitter housed in one crash-protected, floatable unit that meets the performance specifications for a deployable recorder system under United States Federal Aviation Administration Technical Standard Order 123c (CVR), Technical Standard Order 124c (FDR), and Minimum Operational Performance Specifications for Deployable Recorders under EUROCAE ED–112A, and all subsequent updates to such requirements. (2)