Home / Photos / Finally, a PFD for Pistons. Photos Finally, a PFD for Pistons. By June 1, 2003 More From Photos A Fond Memory: Sun 'n Fun Aerospace Expo 2023 Gallery: The Evolution of Van's Aircraft Gallery: Tails on Display at Oshkosh Gallery: Wednesday at Oshkosh Photos: <i>FLYING</i> Honors Award Winners at Adventure Party First Look: Supernal's Air Taxi Passenger Cabin