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Adverse yaw is a secondary effect of the inclination of the lift vectors on the wing due to its rolling velocity and of the application of the ailerons. [2]: 327 Some pilot training manuals focus mainly on the additional drag caused by the downward-deflected aileron [3] [4] and make only brief [5] or indirect [6] mentions of roll effects.
The yaw motion is induced through the use of ailerons alone due to aileron drag, wherein the lifting wing (aileron down) is doing more work than the descending wing (aileron up) and therefore creates more drag, forcing the lifting wing back, yawing the aircraft toward it. This yawing effect produced by rolling motion is known as adverse yaw.
The asymmetric lift causes asymmetric drag, which causes the aircraft to yaw adversely. To correct the yaw, the pilot uses the rudder to perform a coordinated turn. In a multi-engined aircraft, the loss of thrust in one engine can also cause adverse yaw, and here again the rudder is used to regain coordinated flight.
A Southwest Airlines jet was damaged during a flight last month after it experienced an unusual maneuver called a Dutch roll.. Flight 746 was en route from Phoenix to Oakland on May 25 and flying ...
[1]: 36 Combined with the effects of ice on the wing, the high climb rate caused the plane's left wing to stall and the plane to begin rolling over. [ 1 ] : 36 Flight 1713 was Bruecher's first flight after a 24-day absence from flight duties and the NTSB concluded that this prolonged absence had eroded the newly hired first officer's retention ...
The bird strike hypothesis was soon questioned, as images from the scene showed significant perforations on the tail surfaces. [16] [138] [139] [23] [140] Survivors of the crash reported hearing an explosion followed by shrapnel hitting the plane and some passengers.
Investigators head into the debris field at the site of a commercial plane crash near Shanksville, Pennsylvania, September 11, 2001. The crash is one of four planes that were hijacked as part of a ...
Photos of the plane involved in the accident and of the crash scene from Airliners.net "The Mayor's Fund to Advance NYC – Flight 587 Memorial Project". New York City Government Website (NYC.gov). Archived from the original on March 9, 2012. Algarobba, Hector; Burkeman, Oliver (September 11, 2002).