|Warren began flying at a young age and soloed at age 16. He continued obtaining his certificates and flying with his father, Al Pietsch. Warren began flying charter for the family business soon after high school and continued operating the business with his father, until 1989 when he began working for a major airline.
In 1980, after restoration of the Clipped Wing Taylorcraft, Warren joined his father and brother, Kent in the air show industry. His air show airplanes, the Clipped Wing Taylorcraft and a laser type designed Schnortenzummer, were built by Warren, his dad and the shop crew at Pietsch Aircraft.
He is currently qualified for aerobatics in numerous aircraft and is an aerobatic competency evaluator. Warren has accumulated over 25,000+ hours of flight time in aircraft ranging from Gliders to Lockheed L-1011ís including WWII vintage aircraft and a wide variety of Antique airplanes.
In 2005 at the EAA's annual air show at Oshkosh, WI, Warren and Kent proudly received the "Bill Barber Showmanship Award." Warren has flown shows all over the U.S. and Canada for the past 28 years and continues to thrill crowds with his airplanes that are simply fun to watch. Warren's love of aviation includes air show performances and he enjoys the inspiration that air shows bring to kids and adults alike.
Warren continues to operate the family business, Pietsch Aircraft Restoration and Repair of Minot, ND. The shop restores vintage aircraft, repairs light aircraft, offers flight instruction, and is involved with the Dakota Territory Air Museum.