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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 if we rename the article to List of airplane flights that required gliding rather than the current name List of airline flights that required gliding then we could include the 1999 South Dakota Learjet crash in the table and the controversy would be solved? 96.41.32.39 15:30, 6 June 2017 (UTC)
The minimal instrumentation required is an airspeed indicator and a variometer. 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 ...
Flights of thousands of kilometers at average speeds over 200 km/h have been achieved. One small-scale example of a glider is the paper airplane. An ordinary sheet of paper can be folded into an aerodynamic shape fairly easily; its low mass relative to its surface area reduces the required lift for flight, allowing it to glide some distance.
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.
The pilot then applies full aileron, accomplished by moving the stick to either the right or left. As the aircraft rolls about its longitudinal axis, the nose will begin to drop. Upon completing the roll, the nose will usually be 10 to 30 degrees below the horizon, so the pilot will need to pitch-up to return to level flight. [3]
This gives a thrust increase for a particular blade pitch angle, or, alternatively, the power required for a thrust is reduced. For an overloaded helicopter that can only hover IGE it may be possible to climb away from the ground by translating to forward flight first while in ground effect. [ 11 ]
Gliding Scholarship (GS) – an eight-hour course to flying solo; an additional two hours can be awarded to achieve the course aim. Trainees attain the aircrew training standard GS. Two sets of wings can be awarded to Air Cadets: blue for completing the GS syllabus to the required ATS, and silver for flying a solo circuit.