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Airplane gliding occurs when all the engines of an aircraft shut down, but the wings are still functional and can be used for a controlled descent. This is a very rare condition in multi-engine airliners, [1] though it is the obvious result when a single-engine airplane experiences engine failure.
So what if there have been "tens of thousands of GA flights that ended in accidents [gliding]"? If they are notable to have WP articles, then they should be linked to from this article which is a "List of airline flights that required gliding". 96.41.32.39 16:47, 5 June 2017 (UTC) BTW -- do not confuse "airline" with "commercial airline".
This mainly involved stabilizing the leading edges with compressed air beams or rigid structures like aluminum tubes. By 1960, NASA had already made test flights of a powered heavily framed cargo aircraft called the Ryan XV-8 or Fleep (short for 'Flying Jeep') [8] and by March 1962, of a weight-shift experimental glider called Paresev. By 1967 ...
Although the human application of gliding flight usually refers to aircraft designed for this purpose, most powered aircraft are capable of gliding without engine power. As with sustained flight, gliding generally requires the application of an airfoil, such as the wings on aircraft or birds, or the gliding membrane of a gliding possum.
Launching a glider gives it the initial forward airspeed to start flying. This is often done by towing the aircraft into the air on a long line, using either a ground-based winch or vehicle, or a powered "tug" aircraft. A small foot-launched glider is launched by running downhill or stepping off a high location.
The pilot will use the polar curve information for the particular glider to derive the exact speeds to fly, minimum sink or maximum L/D, depending on the lift and sink conditions in which the glider is flying. A speed to fly ring (known as a 'MacCready Ring'), which is fitted around the aircraft's variometer, will indicate the optimum airspeed ...
Aileron roll Swift aerobatic glider performing an aileron roll while being towed. The "nose up attitude" necessary to maintain approximately level flight at the shown phase of the maneuver is clearly visible. Note the aileron deflection on the right wing. Diagram of how an aileron roll is performed in relation to other common rolls
Gliding - Forward flight with smooth airflow (or sometimes defined as flight with a glide angle less than 45 deg), Soaring - Sustained free gliding flight, drawing energy from rising air, Kiting - Tethered flight using an angled plane to create an upward force from the wind. These are summarised in the table: