; and (ii) by striking while providing air ambulance services ; and (E) by amending paragraph (6) to read as follows: (6) The number of hours flown at night by helicopters operated by the certificate holder. ; (2) in subsection (d)— (A) by striking Not later than 2 years after the date of enactment of this section, and annually thereafter, the Administrator shall submit and inserting The Administrator shall submit annually ; and (B) by adding at the end the following: The report shall include the number of accidents experienced by helicopter air ambulance operations, the number of fatal accidents experienced by helicopter air ambulance operations, and the rate, per 100,000 flight hours, of accidents and fatal accidents experienced by operators providing helicopter air ambulance services. ; (3) by redesignating subsection (e) as subsection (f); and (4) by inserting after subsection (d) the following: (e) Implementation In carrying out this section, the Administrator, in collaboration with part 135 certificate holders providing helicopter air ambulance services, shall— (1) propose and develop a method to collect and store the data submitted under subsection (a), including a method to protect the confidentiality of any trade secret or proprietary information submitted; and (2) ensure that the database under subsection (c) and the report under subsection (d) include data and analysis that will best inform efforts to improve the safety of helicopter air ambulance operations. . 2307. Part 135 accident and incident data Not later than 1 year after the date of enactment of this Act, the Administrator of the Federal Aviation Administration shall— (1) determine, in collaboration with the National Transportation Safety Board and part 135 industry stakeholders, what, if any, additional data should be reported as part of an accident or incident notice— (A) to more accurately measure the safety of on-demand part 135 aircraft activity; (B) to pinpoint safety problems