""Aeronautical Technologies for the Twenty-First Century""; ""Copyright""; ""FOREWORD""; ""Contents""; ""EXECUTIVE SUMMARY""; ""INTRODUCTION""; ""THE TECHNOLOGICAL CHALLENGE""; ""NEEDS FOR THE FUTURE""; ""THE NASA CIVIL AERONAUTICS PROGRAM""; ""AIRCRAFT OF THE FUTURE""; ""Advanced Subsonic Aircraft""; ""High-Speed Civil Transports""; ""Short-Haul Aircraft""; ""ENVIRONMENTAL AND OPERATIONAL ISSUES""; ""Environmental Issues""; ""Operational Issues""; ""AERONAUTICAL DISCIPLINES""; ""Aerodynamics""; ""Propulsion""; ""Materials and Structures""; ""Avionics and Controls""; ""Cognitive Engineering""
""PART I: OVERVIEW""""1 OVERVIEW OF THE STUDY ""; ""INTRODUCTION""; ""MAINTAINING A STRONG AERONAUTICS PROGRAM""; ""Economic Indicators in Air Transportation""; ""Benefits of Large Market Share""; ""REQUIREMENTS FOR GROWTH""; ""THE ROLE OF TECHNOLOGY""; ""THE CURRENT NASA AERONAUTICS PROGRAM""; ""PART II: STATUS AND OUTLOOK BY INDUSTRY SEGMENT ""; ""2 SUBSONIC TRANSPORT AIRCRAFT""; ""INTRODUCTION""; ""CURRENT INDUSTRY STATUS""; ""MARKET FORECAST""; ""BARRIER ISSUES""; ""Overall Cost""; ""System Capacity""; ""Environmental Compatibility""