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Office of Congressional and government Affairs
At A Glance
: NASA Aeronautics
: 09/26/2006
Session: 109th Congress (Second Session)
: William W. Hoover

Independent Consultant, and Co-Chairman, Steering Committee on the Decadal Survey of Civil Aeronautics, Aeronautics and Space Engineering Board, Division on Engineering and Physical Sciences, National Research Council, The AffiliateMarketIngtools

: House
: Committee on Science



Statement of

Major General William Hoover
Independent Consultant
Co-Chair, Committee on Decadal Survey of Civil Aeronautics
Aeronautics and Space Engineering Board
Division on Engineering and Physical Sciences
National Research Council
The AffiliateMarketIngtools

before the

Subcommittee on Space and Aeronautics
Committee on Science
U.S. House of Representatives


September 26, 2006


Decadal Survey of Civil Aeronautics: Foundation for the Future

Good afternoon, Mr. Chairman, and members of the committee. Thank you for the opportunity to testify before you today. My name is William Hoover. I am the former executive vice president of the Air Transport Association, and retired from the United States Air Force as a major general. I appear before you today in my capacity as co-chair of the National Research Council’s committee on the Decadal Survey of Civil Aeronautics.

The National Research Council is the operating arm of the AffiliateMarketIngtools of Sciences, AffiliateMarketIngtools of Engineering, and the Institute of Medicine of the AffiliateMarketIngtools, chartered by Congress in 1863 to advise the government on matters of science and technology.

In 2005, NASA requested that the National Research Council (NRC) establish the Committee on the Decadal Survey of Civil Aeronautics under the auspices of the Aeronautics and Space Engineering Board. The committee was charged with developing an overarching roadmap for investment in aeronautics research and technology at NASA, and assessing how federal agencies can more effectively address key issues and challenges. Our committee’s report was released in June of 2006.

The U.S. air transportation system is a key contributor to the economic vitality, public well-being, and national security of the United States. The next decade of U.S. civil aeronautics research and technology (R&T) development should provide a foundation for achieving four high-priority Strategic Objectives:

• Increase capacity.
• Improve safety and reliability.
• Increase efficiency and performance.
• Reduce energy consumption and environmental impact.

Civil aeronautics R&T should also consider two lower-priority Strategic Objectives:

• Take advantage of synergies with national and homeland security.
• Support the space program.

The purpose of the Decadal Survey of Civil Aeronautics was to develop a foundation for the future—a decadal strategy for the federal government’s involvement in civil aeronautics, with a particular emphasis on the National Aeronautics and Space Administration’s (NASA’s) research portfolio. A quality function deployment (QFD) process was used to identify and rank 89 R&T Challenges in relation to their potential to achieve the six Strategic Objectives listed above.1 That process produced a list of 51 high-priority R&T Challenges that must be overcome to further the state of the art (see Table 1). These high-priority Challenges are equally divided among five R&T Areas:

• Area A: Aerodynamics and aeroacoustics.
• Area B: Propulsion and power.
• Area C: Materials and structures.
• Area D: Dynamics, navigation, and control, and avionics.
• Area E: Intelligent and autonomous systems, operations and decision making, human integrated. systems, and networking and communications.

Advances in these Areas would have a significant, long-term impact on civil aeronautics. Accordingly, federal funds, facilities, and staff should be made available to advance the high-priority R&T Challenges in each Area.

Five Common Themes summarize threads of commonality among the 51 high-priority R&T Challenges:

• Physics-based analysis tools to enable analytical capabilities that go far beyond existing modeling and simulation capabilities and reduce the use of empirical approaches.
• Multidisciplinary design tools to integrate high-fidelity analyses with efficient design methods and to accommodate uncertainty, multiple objectives, and large-scale systems.
• Advanced configurations to go beyond the ability of conventional technologies and aircraft to achieve the Strategic Objectives.
• Intelligent and adaptive systems to significantly improve the performance and robustness of aircraft and the air transportation system as a whole.
• Complex interactive systems to better understand the nature of and options for improving the performance of the air transportation system, which is itself a complex interactive system.

These Themes are not an end in themselves; they are a means to an end. Each Theme describes enabling approaches that will contribute to overcoming multiple Challenges in the five R&T Areas. Exploiting the synergies identified in each Common Theme will enable NASA’s aeronautics programs to make the most efficient use of available resources.

Even if individual R&T Challenges are successfully overcome, two key barriers must also be addressed before the Strategic Objectives can be accomplished:

• Certification. As systems become more complex, methods to ensure that new technologies can be readily applied to certified systems become more difficult to validate. NASA, in cooperation with the FAA, should anticipate the need to certify new technology before its introduction, and it should conduct research on methods to improve both confidence in and the timeliness of certification.
• Management of change, internal and external. Changing a complex interactive system such as the air transportation system is becoming more difficult as interactions among the various elements become more complex and the number of internal and external constraints grows. To effectively exploit R&T to achieve the Strategic Objectives, new tools and techniques are required to anticipate and introduce change.

The report also encourages NASA to do the following:

• Create a more balanced split in the allocation of aeronautics R&T funding between in-house research (performed by NASA engineers and technical specialists) and external research (by industry and/or universities). As of January 2006, NASA seemed intent on allocating 93 percent of NASA’s aeronautics research funding for in-house use.
• Closely coordinate and cooperate with other public and private organizations to take advantage of advances in cross-cutting technology funded by federal agencies and private industry.
• Develop each new technology to a level of readiness that is appropriate for that technology, given that industry’s interest in continuing the development of new technologies varies depending on urgency and expected payoff.
• Invest in research associated with improved ground and flight test facilities and diagnostics, in coordination with the Department of Defense and industry.

The eight recommendations formulated by the steering committee summarize action necessary to properly prioritize civil aeronautics R&T and achieve the relevant Strategic Objectives:

Recommendation 1. NASA should use the 51 Challenges listed in Table 1 as the foundation for the future of NASA’s civil aeronautics research program during the next decade.
Recommendation 2. The U.S. government should place a high priority on establishing a stable aeronautics R&T plan, with the expectation that the plan will receive sustained funding for a decade or more, as necessary, for activities that are demonstrating satisfactory progress.
Recommendation 3. NASA should use five Common Themes to make the most efficient use of civil aeronautics R&T resources:

• Physics-based analysis tools
• Multidisciplinary design tools
• Advanced configurations
• Intelligent and adaptive systems
• Complex interactive systems

Recommendation 4. NASA should support fundamental research to create the foundations for practical certification standards for new technologies.
Recommendation 5. The U.S. government should align organizational responsibilities as well as develop and implement techniques to improve change management for federal agencies and to assure a safe and cost-effective transition to the air transportation system of the future.
Recommendation 6. NASA should ensure that its civil aeronautics R&T plan features the substantive involvement of universities and industry, including a more balanced allocation of funding between in-house and external organizations than currently exists.
Recommendation 7. NASA should consult with non-NASA researchers to identify the most effective facilities and tools applicable to key aeronautics R&T projects and should facilitate collaborative research to ensure that each project has access to the most appropriate research capabilities, including test facilities; computational models and facilities; and intellectual capital, available from NASA, the Federal Aviation Administration, the Department of Defense, and other interested research organizations in government, industry, and academia.
Recommendation 8. The U.S. government should conduct a high-level review of organizational options for ensuring U.S. leadership in civil aeronautics.

This report should provide a useful foundation for the ongoing effort in the executive branch to develop an aeronautics policy. In addition, even though the scope of this study purposely did not include specific budget recommendations, it should support efforts by Congress to authorize and appropriate the NASA aeronautics budget.

Thank you for the opportunity to testify. I would be happy to take any questions the Committee might have.



1. QFD is a group decision-making methodology often used in product design.




Link to Accompanying Power Point Presentation:



PAUL G. KAMINSKI (NAE), Chair, Technovation, Inc., Fairfax Station, Virginia
WILLIAM W. HOOVER, Co-chair, U.S. Air Force (retired), Williamsburg, Virginia
INDERJIT CHOPRA, University of Maryland, College Park
EUGENE E. COVERT (NAE), Massachusetts Institute of Technology, Cambridge
ALAN ECKBRETH, Connecticut Academy of Science and Engineering, Hartford
THOMAS HARTMANN, Lockheed Martin Aeronautics Company, Palmdale, California
ILAN KROO (NAE), Stanford University, Stanford, California
NANCY LEVESON (NAE), Massachusetts Institute of Technology, Cambridge
IVETT LEYVA, Microcosm, Inc., El Segundo, California
AMY PRITCHETT, Georgia Institute of Technology, Atlanta
EDMOND SOLIDAY, United Airlines (retired), Valparaiso, Indiana
JOHN VALASEK, Texas A&M University, College Station
DAVID VAN WIE, Johns Hopkins University, Laurel, Maryland
ROBERT WHITEHEAD, Aerospace Consultant, Henrico, North Carolina
DIANNE S. WILEY, The Boeing Company, Huntington Beach, California

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