Pilots in line operation seldom experience the excessive pitch or bank angles associated with an airplane upset. When it is completed we will make it available to our customers at no charge.Īirline flight crews constantly strive to provide passengers with a smooth ride while ensuring an extremely high degree of safety. Airbus and Boeing are dedicating many resources and actively working with an industry team to develop an airplane upset recovery training aid. Pilots who are knowledgeable about aerodynamics and who possess the skills to apply basic recovery techniques can return an upset airplane to normal flight parameters. Operators should address procedural application of techniques within their fleet structures. For this reason, it is not possible to develop specific recovery procedures for each. Pilots can be exposed to an infinite number of slightly different situations. Additionally, certain conditions can upset any airplane and the basic principles of recognition and recovery still apply regardless of the flight control architecture. However, when a fly-by-wire airplane is in a degraded control law (mode), the recovery techniques are appropriate. The article focuses on Airbus and Boeing airplanes that do not have electronic flight controls, commonly known as fly-by-wire. In the interest of safety, and the desire to acknowledge the commonality in recovery techniques, this article was written jointly by Airbus, Boeing Commercial Airplane Group, and Douglas Products Division. Therefore, pilots must have the necessary knowledge and skills to recover an upset airplane.Īerodynamic principles of large, swept-wing commercial jet airplanes are similar among all manufacturers. Additionally, many reasons for upsets are associated with the environment, in which case avoidance is the best solution, but is not always possible. Reducing the number of reasons for upsets is a continual training process, and eliminating one reason will not necessarily reduce the number of loss-of-control accidents and fatalities. A variety of reasons exist for airplane upsets, but none is statistically significant. Loss of airplane control in flight is a leading cause of fatalities in the commercial aviation industry. Aerodynamic Principles of Large-Airplane Upsets
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