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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 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 ...
[4] [5] The plane suffered substantial structural damage with the No.7 leading-edge slat and a flight spoiler having detached, the right outboard aileron hinge fitting broke due to metal fatigue resulting in free-play, and the System A hydraulics ruptured due to the right main gear overextending which also broke the sidebrace and actuator ...
Editor's note: This page reflects news of the plane crash near DC on Thursday, Jan. 30. For the latest updates on victim recovery efforts, please read USA TODAY's live coverage of the plane crash ...
An American Airlines regional jet went down in the Potomac River near Washington, D.C.'s Ronald Reagan Washington National Airport after colliding with a U.S. Army Black Hawk helicopter on ...
Spoiler controls can be used for roll control (outboard or mid-span spoilers) or descent control (inboard spoilers). Some aircraft use spoilers in combination with or in lieu of ailerons for roll control, primarily to reduce adverse yaw when rudder input is limited by higher speeds.
The Wednesday collision was the deadliest plane crash since November 2001, when an American Airlines jet crashed in Charlotte, N.C., after takeoff. The cause of the Wednesday collision is unknown.