Biennial Certs – Who Needs ‘Em?
There are two FARs that dictate the biennial checks for most general aviation aircraft:FAR 91.413 for the transponder and encoder, and FAR 91.411 for the static system andaltimeter. First, notice that I didn’t mention the pitot system. While any sane pilot would liketo know that his airspeed indicator is reasonably accurate, the FARs do not […]