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2. Stall (fluid dynamics) - Wikipedia

   en.wikipedia.org/wiki/Stall_(fluid_dynamics)

   Normal flight (above), Deep stall condition - T-tail in "shadow" of wing (below) A Schweizer SGS 1-36 being used for deep-stall research by NASA over the Mojave Desert in 1983. A deep stall (or super-stall) is a dangerous type of stall that affects certain aircraft designs, notably jet aircraft with a T-tail configuration and rear-mounted ...

3. Steady flight - Wikipedia

   en.wikipedia.org/wiki/Steady_flight

   Steady flight, unaccelerated flight, or equilibrium flight is a special case in flight dynamics where the aircraft's linear and angular velocity are constant in a body-fixed reference frame. [1] Basic aircraft maneuvers such as level flight, climbs and descents, and coordinated turns can be modeled as steady flight maneuvers. [ 2 ]

4. Coffin corner (aerodynamics) - Wikipedia

   en.wikipedia.org/wiki/Coffin_corner_(aerodynamics)

   Coffin corner (also known as the aerodynamic ceiling [1] or Q corner) is the region of flight where a fast but subsonic fixed-wing aircraft's stall speed is near the critical Mach number, at a given gross weight and G-force loading. In this region of flight, it is very difficult to keep an airplane in stable flight.

5. V speeds - Wikipedia

   en.wikipedia.org/wiki/V_speeds

   Stall speed or minimum steady flight speed for which the aircraft is still controllable in a specific configuration. [7] [8] V S R: Reference stall speed. [7] V S R 0: Reference stall speed in landing configuration. [7] V S R 1: Reference stall speed in a specific configuration. [7] V SW: Speed at which the stall warning will occur. [7] V TOSS

6. Washout (aeronautics) - Wikipedia

   en.wikipedia.org/wiki/Washout_(aeronautics)

   When one wing tip stalls it leads to wing drop, a rapid rolling motion. Also, roll control may be reduced if the airflow over the ailerons is disrupted by the stall, reducing their effectiveness. On aircraft with swept wings , wing tip stall also produces an undesirable nose-up pitching moment which hampers recovery from the stall.

7. Plus-size travelers can get the empty adjacent seats on ... - AOL

   www.aol.com/plus-size-travelers-entitled-empty...

   Plus-size passengers are encouraged to preemptively purchase extra seats to notify the airline of their need for accommodation, and Southwest guarantees a refund for those purchases after the flight.