FYI
New:

Very Light Jets: Several Factors Could Influence Their Effect on the
National Airspace System. GAO-07-1001. http://www.gao.gov/new.items/d071001.pdf

Recent and older reports
Aviation Finance: Observations on the Current FAA Funding Structure's
Support for Aviation Activities, Issues Affecting Future Costs, and
Proposed Funding Changes by Gerald L. Dillingham, director, physical
infrastructure issues, before the Subcommittee on Select Revenue
Measures, House Committee on Ways and Means. GAO-07-1163T, August 1.
2007 http://www.gao.gov/new.items/d071163t.pdf

Federal Aviation Administration: Key Issues in Ensuring the Efficient
Development and Safe Operation of the Next Generation Air
Transportation System, by Gerald L. Dillingham, Director, Physical
Infrastructure, before the Subcommittee on Aviation, House Committee
on Transportation and Infrastructure. GAO-07-636T, March 22. 2007
http://www.gao.gov/cgi-bin/getrpt?GAO-07-636T

Next Generation Air Transportation System: Progress and Challenges in
Planning and Implementing the Transformation of the National Airspace
System, by Susan A. Fleming, Acting Director, Physical Infrastructure,
before the Subcommittee on Aviation Operations, Safety, and Security,
Senate Committee on Commerce, Science, and Transportation.
GAO-07-649T, March 22. 2007 http://www.gao.gov/new.items/d07649t.pdf

Next Generation Air Transportation System: Progress and Challenges
Associated with the Transformation of the National Airspace System.
GAO-07-25, November 13. 2006 http://www.gao.gov/new.items/d0725.pdf

FAA's Proposed Plan for Implementing a Reliability Centered
Maintenance Process for Air Traffic Control Equipment. GAO-07-81R,
November 9. 2006 http://www.gao.gov/new.items/d0781r.pdf

Commercial Space Launches: FAA Needs Continued Planning and Monitoring
to Oversee the Safety of the Emerging Space Tourism Industry.
GAO-07-16, October 20. 2006 http://www.gao.gov/new.items/d0716.pdf

National Airspace System Modernization: Observations on Potential
Funding Options for FAA and the Next Generation Airspace System, by
Gerald L. Dillingham, Ph.D, director, physical infrastructure issues,
before the Subcommittee on Aviation, House Committee on Transportation
and Infrastructure. GAO-06-1114T, September 27. 2006
http://www.gao.gov/new.items/d061114t.pdf

Aviation Finance: Observations on Potential FAA Funding Options.
GAO-06-973, September 29, 2006 http://www.gao.gov/new.items/d06973.pdf

Next Generation Air Transportation System: Preliminary Analysis of
Progress and Challenges Associated with the Transformation of the
National Airspace System, by Gerald L. Dillingham, director, physical
infrastructure, before the Subcommittee on Aviation, Senate Committee
on Commerce, Science, and Transportation. GAO-06-915T, July 25. 2006
http://www.gao.gov/new.items/d06915t.pdf

National Airspace System: Transformation will Require Cultural Change,
Balanced Funding Priorities, and Use of All Available Management
Tools. GAO-06-154, October 14. 2005 http://www.gao.gov/new.items/d06154.pdf

Aviation Safety: System Safety Approach Needs Further Integration into
FAA's Oversight of Airlines. GAO-05-726, September 28. 2005
http://www.gao.gov/new.items/d05726.pdf

Air Traffic Control Operations: The Federal Aviation Administration
Needs to Address Major Air Traffic Operating Cost Control Challenges.
GAO-05-724, June 23. 2005 http://www.gao.gov/new.items/d05724.pdf

National Airspace System: FAA Has Made Progress but Continues to Face
Challenges in Acquiring Major Air Traffic Control Systems. GAO-05-331,
June 10. 2005 http://www.gao.gov/new.items/d05331.pdf

National Airspace System: Initiatives to Reduce Flight Delays and
Enhance Capacity are Ongoing but Challenges Remain, by Gerald L.
Dillingham, director, physical infrastructure issues, before the
Subcommittee on Aviation, Senate Committee on Commerce, Science, and
Transportation. GAO-05-755T, May 26. 2005 http://www.gao.gov/new.items/d05755t.pdf

National Airspace System: Progress and Ongoing Challenges for the Air
Traffic Organization, by Gerald L. Dillingham, director, physical
infrastructure, before the Subcommittee on Aviation, House Committee
on Transportation and Infrastructure. GAO-05-485T, April 14. 2005
http://www.gao.gov/new.items/d05485t.pdf

National Airspace System: Experts' Views on Improving the U.S. Air
Traffic Control Modernization Program. GAO-05-333SP, April 2005.
http://www.gao.gov/new.items/d05333sp.pdf

Air Traffic Control: FAA's Acquisition Management Has Improved, but
Policies and Oversight Need Strengthening to Help Ensure Results.
GAO-05-23, November 12. 2004 http://www.gao.gov/new.items/d0523.pdf

Air Traffic Control: FAA Needs to Ensure Better Coordination When
Approving Air Traffic Control Systems. GAO-05-11, November 17. 2004
http://www.gao.gov/new.items/d0511.pdf

Aviation Safety: FAA Needs to Strengthen the Management of Its
Designee Program. GAO-05-40, October 8. 2004 http://www.gao.gov/new.items/d0540.pdf

Air Traffic Control: FAA's Modernization Efforts-Past, Present, and
Future, by Gerald L. Dillingham, director, physical infrastructure,
before the Subcommittee on Aviation, House Committee on Transportation
and Infrastructure. GAO-04-227T, October 30. 2003 http://www.gao.gov/new.items/d04227t.pdf

National Airspace System: Current Efforts and Proposed Changes to
Improve Performance of FAA's Air Traffic Control System. GAO-03-542,
May 30. 2003 http://www.gao.gov/new.items/d03542.pdf

National Airspace System: Reauthorizing FAA Provides Opportunity and
Options to Address Challenges, by Gerald L. Dillingham, director of
physical infrastructure issues, before the Subcommittee on Aviation,
House Committee on Transportation and Infrastructure. GAO-03-473T,
February 12. 2003 http://www.gao.gov/new.items/d03473t.pdf

National Airspace System: Better Cost Data Could Improve FAA's
Management of the Standard Terminal Automation Replacement System.
GAO-03-343, January 31. 2003 http://www.gao.gov/new.items/d03343.pdf

Mike