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The Four-Engined Cessna and Its Corporate Mission

Cessna’s predecessor to the Fanjet 500, the Cessna 620, never made it to market, but it proved a point.

At 15,000 pounds with a wingspan of 55 feet, the 620 dwarfed the company’s existing offerings. [Credit: Textron Aviation, Inc, all rights reserved]
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Key Takeaways:

  • Cessna developed the four-engine, pressurized 620 in the late 1950s to address a perceived market gap for larger, more capable corporate piston aircraft, basing its design on extensive executive feedback.
  • The 620 was a significant departure for Cessna, featuring a massive, comfortable cabin, four engines for safety, and an APU for pressurization, designed to offer all-weather capability, speed, economy, and utility.
  • Despite positive test flights and a robust marketing effort, the program was canceled in 1957 due to its high price ($375,000) and the emerging threat of more advanced, competitively priced corporate jets.
  • The Cessna 620 remains a unique historical footnote, representing a strategic decision by the company to redirect resources towards what would eventually become the highly successful Citation series of business jets.
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The late 1950s were an exciting time for Cessna. Demand for general aviation aircraft was robust, and thus, the company invested significant resources into identifying and pursuing emerging markets. One such market during that time was corporate travel.

Corporate aviation had existed for decades, but the post-war environment rekindled the segment. A handful of companies converted larger, former military types into executive aircraft, but most new models under development—such as the Aero Commander 500 series and Beechcraft Queen Air—had relatively small cabins. Others, like the Twin Beech, were relatively slow and lacked pressurization. Cessna saw an opportunity.

Jason McDowell

Jason McDowell is a private pilot and Cessna 170 owner based in Madison, Wisconsin. He enjoys researching obscure aviation history and serves as a judge for the National Intercollegiate Flying Association. He can be found on Instagram as @cessnateur.

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