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737-300 Rudder and Lateral Control (Engine Out)

 
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K.Haroon
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Joined: 11 Dec 2005
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PostPosted: Sat Feb 23, 2008 4:34 pm    Post subject: 737-300 Rudder and Lateral Control (Engine Out) Reply with quote

Under instrument conditions the instrument scan is centered around the attitude indicator. Roll is usually the first indication of an asymmetric condition. Roll control (ailerons) should be used to hold the wings level or maintain the desired bank angle. Stop the yaw by smoothly applying rudder at the same rate that thrust changes. When the rudder input is correct, very little control wheel displacement is necessary. Redefine the rudder input as required and trim the rudder so the control wheel remains approximately level.

When the rudder is trimmed to level the control wheel, the airplane maintains heading. A small amount of bank towards the operating engine may be noticeable on the bank indicator. The slip skid indicator is displaced slightly towards the operating engine.

If the airplane is trimmed with too much control wheel displacement, full lateral control is not available and spoilers on one wing may be raised, increasing drag.

Make turns at a constant airspeed and hold the rudder displacement constant. Do not attempt to coordinate rudder and lateral control in turns. Rudder pedal inputs produce roll due to yaw and induce the pilot to counter rudder oscillations with opposite control wheel.

If an engine failure occurs with the autopilot engaged, manually position the rudder to approximately center the control wheel and add thrust. Trim the rudder to relieve rudder pedal pressure.

The following figures shows correct and incorrect use of rudder in a right wing engine out condition:



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