![]() “We have Fortress installed on UAVs, rotorcraft, small fixed-wing aircraft and business jets. “It’s small and compact and can therefore fit in most space envelopes allocated to recorders,” he says. The Fortress, Leaper explains, is a TSO (Technical Standards Order) flight recorder, which is suitable for all aircraft types. The four channels within the CVR work in tandem and record cockpit noise, pilot and copilot voice communications, as well as cabin sound. of cockpit instrumentation image capture. of air-to-ground digital messaging and an image recorder that provides up to 2 hr. ![]() of parametric data the data link, recording 25 hr. They are the CVR, incorporating four channels of audio recording for 25 hr. The Fortress/DAFR, Leaper reports, was designed to combine four functions in one box. Curtiss-Wright’s Fortress family of recorders combines four channels of audio with flight data recording. recording capability, says Leaper, is the “most recent innovation in the evolution of CVR technology.” In that regard, he cites the Curtiss-Wright Fortress 757/DAFR (Data Acquisition Flight Recorder), which was introduced in 2018. (60,000 lb.) or more be equipped with a CVR with at least a 25-hr. 1, 2022-requires any aircraft with a maximum takeoff weight of 27,000 kg. On the regulatory side, Leaper explains a European Union Aviation Safety Agency (EASA) regulation, dated Dec. To illustrate, Leaper says the first generation of digital CVRs had 32 MB of memory, but the next-gen systems incorporate 64 MB, which enable all of the data acquired by the longer recording capability to be digitally stored. “But, with the advent of higher capacity memory devices, the CVR recording duration was increased to provide parity with the flight data recorder, which was already at 25 hr.,” he notes. Stephen Leaper, product line manager for flight recorders for Curtiss-Wright, explains that until recently, the technology effectively restricted recording capacity to 2 hr. A new generation of cockpit voice recorders is emerging on the market, thanks to advances in digital technology in combination with regulatory mandates.
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