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  2. Pilot fatigue - Wikipedia

    en.wikipedia.org/wiki/Pilot_fatigue

    The scale ranged from 1 meaning no fatigue to 7 being high. Participants had one month and a half to respond to the inquiry. Results on physical fatigue found that 93% of short/medium haul pilots scored higher than 4 on the FSS while 84% of long-haul pilots scored greater than 4. Mental fatigue found short/medium haul at 96% and long haul at 92%.

  3. Progression-free survival - Wikipedia

    en.wikipedia.org/wiki/Progression-free_survival

    Progression-free survival (PFS) is "the length of time during and after the treatment of a disease, such as cancer, that a patient lives with the disease but it does not get worse". [1] In oncology , PFS usually refers to situations in which a tumor is present, as demonstrated by laboratory testing, radiologic testing, or clinically.

  4. Piper J-3 Cub - Wikipedia

    en.wikipedia.org/wiki/Piper_J-3_Cub

    PA-18 Super Cub. The Piper J-3 Cub is an American light aircraft that was built between 1938 and 1947 by Piper Aircraft. The aircraft has a simple, lightweight design which gives it good low-speed handling properties and short-field performance. The Cub is Piper Aircraft's most-produced model, with nearly 20,000 built in the United States.

  5. Cooper–Harper rating scale - Wikipedia

    en.wikipedia.org/wiki/Cooper–Harper_rating_scale

    The Cooper-Harper Handling Qualities Rating Scale [1] (HQRS), sometimes Cooper-Harper Rating Scale (CHRS), is a pilot rating scale, a set of criteria used by test pilots and flight test engineers to evaluate the handling qualities of aircraft while performing a task during a flight test. The scale ranges from 1 to 10, with 1 indicating the best ...

  6. List of Piper models - Wikipedia

    en.wikipedia.org/wiki/List_of_Piper_models

    Piper purchased the design from Ted R. Smith: PiperSport: 2010 85 Two-seat light-sport aircraft marketed by Piper between January 2010 and January 2011. It was produced by Czech Sport Aircraft and previously known as the SportCruiser Piper M350: 2015 69 Six-seat pressurized piston single; formerly named Malibu Mirage; only M350 production listed

  7. Fatigue testing - Wikipedia

    en.wikipedia.org/wiki/Fatigue_testing

    Each 16 hour flight took 11 minutes to simulate on the fatigue test rig. [1] Fatigue testing is a specialised form of mechanical testing that is performed by applying cyclic loading to a coupon or structure. These tests are used either to generate fatigue life and crack growth data, identify critical locations or demonstrate the safety of a ...

  8. Piper PA-28 Cherokee - Wikipedia

    en.wikipedia.org/wiki/Piper_PA-28_Cherokee

    Piper PA-32 Cherokee Six. The Piper PA-28 Cherokee is a family of two-seat or four-seat light aircraft built by Piper Aircraft and designed for flight training, air taxi and personal use. [2] The PA-28 family of aircraft comprises all-metal, unpressurized, single piston-engined airplanes with low-mounted wings and tricycle landing gear.

  9. Piper PA-36 Pawnee Brave - Wikipedia

    en.wikipedia.org/wiki/Piper_PA-36_Pawnee_Brave

    The new model was called the PA-36 Pawnee Brave 300 while the original aircraft was redesignated the PA-36 Pawnee Brave 285. In 1978, the Brave 300 became the standard model and another more powerful model was introduced, the PA-36 Brave 375 with a 375 hp (280 kW) Lycoming IO-720-D1CD flat-eight engine. In 1981, Piper sold the rights in the ...