<p>With the advent of the first generation of relaxed static stability (RSS) aircraft, such as the YF-16, the deep stall associated with the extremely demanding stability and control problems in the high angle-of-attack (AoA) flight envelope has become a significant issue. These problems can be entirely avoided by designing an aircraft with sufficient nose-down control capability. However, this approach leads to more complex aircraft design challenges, as they are related to the aircraft’s supersonic performance and its ability to maneuver at low speeds. This paper reviews the aircraft design issues and lessons learned for recovery from deep stalls in fighter aircraft designed with RSS configuration concepts by surveying published materials. The results of this review will benefit a wide audience, from students studying aircraft design at universities to engineers working for aerospace companies, by enhancing their understanding of deep stall characteristics in aircraft. Additionally, the design considerations for deep stall prevention and recovery, based on industrial development experience and lessons learned, are expected to reduce the amount of trial and error that occurs during the aircraft development process.</p>

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Recovering from a Deep Stall in a Fighter Jet: A Practical Survey

  • Chongsup Kim

摘要

With the advent of the first generation of relaxed static stability (RSS) aircraft, such as the YF-16, the deep stall associated with the extremely demanding stability and control problems in the high angle-of-attack (AoA) flight envelope has become a significant issue. These problems can be entirely avoided by designing an aircraft with sufficient nose-down control capability. However, this approach leads to more complex aircraft design challenges, as they are related to the aircraft’s supersonic performance and its ability to maneuver at low speeds. This paper reviews the aircraft design issues and lessons learned for recovery from deep stalls in fighter aircraft designed with RSS configuration concepts by surveying published materials. The results of this review will benefit a wide audience, from students studying aircraft design at universities to engineers working for aerospace companies, by enhancing their understanding of deep stall characteristics in aircraft. Additionally, the design considerations for deep stall prevention and recovery, based on industrial development experience and lessons learned, are expected to reduce the amount of trial and error that occurs during the aircraft development process.