PFC

hi i would like to get some information on the commercial availability of "piezoelectric fiber composites (PFC)." Sometimes these are called "active fiber composites (AFC)." Also, fiber is sometimes spelled as fibre. please provide the full contact info about the source (address, email, URL etc.), costs for various specifications and also if they have been checked for AIRWORTHINESS . are helicopter companies like (Bell, Boeing, Sikorsky, Agusta etc.) and other aerospace companies useing PFC/AFC in any of their helicopters or their experimental versions. your help will be greatly appreciated! thanks