page_title: Joseph John "Tym" Tymczyszyn
section_title: Test pilot
hierarchical_section_title: Joseph John "Tym" Tymczyszyn / Test pilot
caption_attribution_description: English: Tymczyszyn standing in front of a Douglas DC-8 in 1958
context_page_description: Joseph John "Tym" Tymczyszyn was an American World War II pilot, and test pilot for the United States Army Air Corps and the Federal Aviation Administration.
context_section_description: After graduation, Tymczyszyn joined the Civil Aeronautics Authority (Precursor to the Federal Aviation Administration) and attended the U.S. Air Force Test Pilot School. The major milestones of his flight test achievements resulted from flights at Edwards Air Force Base. He flight tested the Boeing 707, Boeing 747, the Douglas DC-6 through to 10, the Convair 340 through 990, all Lockheed Constellation models, and the Electra. He tested hundreds of general aviation aircraft, and certified the Robinson R22 helicopter.
  Tymczyszyn is most recognized as the Test Pilot on America's first jet transport, the Boeing 707.  He later flew into the wake turbulence of various aircraft and helicopters to determine safe separation distance between various aircraft. He was the eighth president of the Society of Experimental Test Pilots (SETP).  Tymczyszyn helped found the SETP's Scholarship Foundation, the primary purpose of the scholarship being to provide educational assistance to children of deceased or disabled Society members.
  Tymczyszyn is survived by his five sons, eight grandchildren and two great-grandchildren.
caption: Tymczyszyn standing in front of the jet intake of the Douglas DC-8, circa 1958
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