Although the recording device on board the accident helicopter was not required and was not a crash-protected system, the NTSB has a long history of recommending that the Federal Aviation Administration (FAA) require image recording devices on board certain aircraft. Some of these safety recommendations, which were either closed or superseded after the FAA indicated that it would not act upon them, date as far back as 1999. The NTSB notes that, had the FAA required all turbine-powered, nonexperimental, nonrestricted-category aircraft operated under Parts 91, 135, and 121 to be equipped with crash-protected image recording system by