BAE's Hostile File Indicator
757 views · Published 30 January 2009 · 2:05 · Indexed 20 September 2026
Channel: AviationWeek · 2009 · News & Politics
4 short videos joined together: BAE Systems testing an acoustic hostile fire indicator on a light helicopter. Basically, the videos show techs firing rifles and machine guns in the direction of a light helicopter, the HFI picking it up and the pilot taking evasive action. Video 4 shows the HFI, a small, circular device on the underside of the helo.