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The role of the aircraft manufacturer in the design, integration, and optimization of commercial transport airplane stopping systems is discussed. Specific emphasis is placed on: system design considerations, configurations, and features; laboratory and flight testing; typical problems encountered; and future basic data requirements. Advancements in stopping system simulation techniques and antiskid control systems in recent years have allowed large improvements in stopping system efficiency. Future improvements are dependent on obtaining basic data on tire and brake dynamic characteristics for use in simulation studies to control and improve the combined brake and tire frequency response phase lag. It is anticipated that new rational landing rules being developed by the FAA must account for and include the effect of the engine thrust reversing system on stopping distances.

The effect of runway traction on commercial airplane stopping systems is discussed from the airframe manufacturer's point of view. Traction variations with runway contaminants, ice, snow, and rain must be considered along with factors such as airplane and stopping system configuration, weather conditions, performance information, and pilot technique. Further improvements in airplane braking and directional control can be attained if certification and operational regulations provide performance credit, safety, and economic motivation for airline cost of ownership. Recent Boeing brake control system work is summarized as an indication of industry effort to improve performance. Technology requirements and recommendations for improving adverse runway performance are included.