Reports, Papers, Articles, and Presentations:
Edwin W. Aiken, Robert A. Jacobson, Michelle M. Eshow, William S. Hindson, and Douglas H. Doane, “Preliminary Design Features of the RASCAL—A NASA/Army Rotorcraft In-Flight Simulator,” AIAA Paper 92-4175 (1992).
F.J. Bailey, Jr., “A Simplified Theoretical Method of Determining the Characteristics of a Lifting Rotor in Forward Flight,” NACA Report 716 (1941).
Robert C. Ball, “Summary Highlights of the Advanced Rotor Transmission (ART) Program,” AIAA Paper 92-3362 (1992).
G.W. Brooks, “The Application of Models to Helicopter Vibration and Flutter Research,” Proceedings of the ninth annual forum of the American Helicopter Society (May 1953).
Robert T.N. Chen, William S. Hindson, and Arnold W. Mueller, “Acoustic Flight Tests of Rotorcraft Noise-Abatement Approaches Using Local Differential GPS Guidance,” NASA TM-110370 (1995).
R.P. Coleman, “Theory of Self-Excited Mechanical Oscillations of Hinged Rotor Blades,” NACA WR-L-308 [formerly NACA Advanced Restricted Report 3G29] (1943).
G.E. Cooper, “Understanding and Interpreting Pilot Opinion,” Aeronautical Engineering Review, vol. 16, No. 3, (Mar. 1957), p. 47–51.
G.E. Cooper and R.P. Harper, Jr., “The Use of Pilot Rating in the Evaluation of Aircraft Handling Qualities,” NASA TN-D-5153 (1969).
I.H. Culver and J.E. Rhodes, “Structural Coupling in the Blades of a Rotating Wing Aircraft,” IAS Paper 62-33 (1962).
Mike Debraggio, “The American Helicopter Society—A Leader for 40 Years,” Vertiflite, vol. 30, No. 4 (May–June 1984).
D.C. Dugan, R.G. Erhart, and L.G. Schroers, “The XV-15 Tilt Rotor Research Aircraft,” NASA TM-81244 / AVRADCOM Technical Report 80-A-15 (1980).
H.K. Edenborough, T.M. Gaffey, and J.A. Weiberg, “Analysis and Tests Confirm Design of Proprotor Aircraft,” AIAA Paper 72-803 (1972).
Don Fertman, “The Helicopter History of Sikorsky Aircraft,” Vertiflite, vol. 30, No. 4 (May–June 1984).
David D. Few, “A Perspective on 15 Years of Proof-of-Concept Aircraft Development and Flight Research at Ames–Moffett by the Rotorcraft and Powered-Lift Flight Projects Division, 1970–1985,” NASA RP-1187 (1987).
Brenda Forman, “The V-22 Tiltrotor ‘Osprey:’ The Program That Wouldn’t Die,” Vertiflite, vol. 39, No. 6, (Nov.–Dec. 1993), pp. 20–23.
F. Garren, J.R. Kelly, and R.W. Summer, “VTOL Flight Investigation to Develop a Decelerating Instrument Approach Capability,” Society of Automotive Engineers Paper No. 690693 (1969).
B.P. Gupta, A.H. Logan, and E.R. Wood, “Higher Harmonic Control for Rotary Wing Aircraft,” AIAA Paper 84-2484 (1984).
F.B. Gustafson, “Effects on Helicopter Performance of Modifications in Profile-Drag Characteristics of Rotor-Blade Airfoil Sections,” NACA WR-L-26 [Formerly NACA Advanced Confidential Report ACR L4H05] (1944).
F.B. Gustafson, “A History of NACA Research on Rotating-Wing Aircraft,” Journal of the American Helicopter Society, vol. 1, No. 1 (Jan. 1956), p. 16.
F.B. Gustafson, “History of NACA/NASA Rotating-Wing Aircraft Research, 1915–1970,” Vertiflite, Reprint VF-70, (Apr. 1971), pp. 1–27.
Harry H. Heyson and S. Katzoff, “Induced Velocities Near a Lifting Rotor with Nonuniform Disk Loading,” NACA Report 1319 (1957).
R.J. Huston, “An Exploratory Investigation of Factors Affecting the Handling Qualities of a Rudimentary Hingeless Rotor Helicopter,” NASA TN-D-3418 (1966).
Robert J. Huston, Robert A. Golub, and James C. Yu, “Noise Considerations for Tilt Rotor,” AIAA Paper 89-2359 (1989).
Karen Jackson, Richard L. Boitnott, Edwin L. Fasanella, Lisa E. Jones, and Karen H. Lyle, “A Summary of DOD-Sponsored Research Performed at NASA Langley’s Impact Dynamics Research Facility,” Journal of the American Helicopter Society, vol. 51, No. 1 (June 2004).
Wayne Johnson, “Model for Vortex Ring State Influence on Rotorcraft Flight Dynamics,” NASA TP-2005-213477 (2005).
J.R. Kelly, F.R. Niessen, J.J. Thibodeaux, K.R. Yenni, and J.F. Garren, Jr., “Flight Investigation of Manual and Automatic VTOL Decelerating Instrument Approaches and Landings,” NASA TN-D-7524 (1974).
Robert M. Kufeld and Paul C. Loschke, “UH-60 Airloads Program—Status and Plans,” AIAA Paper 91-3142 (1991).
R.G. Kvaternik and W.G. Walton, Jr., “A Formulation of Rotor-Airframe Coupling for the Design Analysis of Vibrations of Helicopter Airframes,” NASA RP-1089 (1982).
R.G. Kvaternik, “The NASA/Industry Design Analysis Methods for Vibration (DAMVIBS) Program—A Government Overview,” AIAA Paper 92-2200 (1992).
A.W. Linden and M.W. Hellyer, “The Rotor Systems Research Aircraft,” AIAA Paper No. 74-1277 (1974).
Mark Liptak, “International Helicopter Study Team (IHST) Overview Briefing,” Helicopter Association International HELI EXPO Meeting, Houston, TX, Feb. 21–23, 2009.
W.R. Mantay, W.T. Yeager, Jr., M.N. Hamouda, R.G. Cramer, Jr., and C.W. Langston, “Aeroelastic model Helicopter Testing in the Langley TDT,” NASA TM-86440 / USAAVSCOM TM-85-8-5 (1985).
Ruth M. Martin, “NASA/AHS Rotorcraft Noise Reduction Program: NASA Langley Acoustics Division Contributions,” Vertiflite, vol. 35, No. 4, (May–June 1989), pp. 48–52.
J.G. McArdle, “Outdoor Test Stand Performance of a Convertible Engine with Variable Inlet Guide Vanes for Advanced Rotorcraft Propulsion,” NASA TM-88939 (1986).
M. Mosher and R.L. Peterson, “Acoustic Measurements of a Full-Scale Coaxial Helicopter,” AIAA Paper 83-0722 (1983).
Jack N. Nielsen and James C. Biggers, “Recent Progress in Circulation Control Aerodynamics,” AIAA Paper 87-0001 (1987).
Wilmer H. Reed, III, “Review of Propeller-Rotor Whirl Flutter,” NASA TR-R-264 (1967).
S. Salmirs and R.J. Tapscott, “The Effects of Various Combinations of Damping and Control Power on Helicopter Handling Qualities During Both Instrument and Visual Flight,” NASA TN-D-58 (1959).
James Sheiman, “A Tabulation of Helicopter Rotor-Blade Differential Pressures, Stresses, and Motions As Measured In Flight,” NASA TM-X-952 (1964).
J. Sheiman and L.H. Ludi, “Qualitative Evaluation of Effect of Helicopter Rotor Blade Tip Vortex on Blade Airloads,” NASA TN-D-1637 (1963).
William J. Snyder, John Zuk, and Hans Mark, “Tilt Rotor Technology Takes Off,” AIAA Paper 89-2359 (1989).
John F. Ward, “Helicopter Rotor Periodic Differential Pressures and Structural Response Measured in Transient and Steady-State Maneuvers,” Journal of the American Helicopter Society, vol. 16, No. 1 (Jan. 1971).
John F. Ward, “An Updated History of NACA/NASA Rotary-Wing Aircraft Research 1915-1984,” Vertiflite, vol. 30, No. 4 (May–June 1984), pp. 108–117.
W. Warmbrodt and J.L. McCloud, II, “A Full-Scale Wind Tunnel Investigation of a Helicopter Bearingless Main Rotor,” NASA TM-81321 (1981).
William Warmbrodt, Charles Smith, and Wayne Johnson, “Rotorcraft Research Testing in the National Full-Scale Aerodynamics Complex at NASA Ames Research Center,” NASA TM-86687 (1985).
J.B. Wheatley, “Lift and Drag Characteristics and Gliding Performance of an Autogiro as Determined In Flight,” NACA Report 434 (1932).
J.B. Wheatley, “A Aerodynamic Analysis of the Autogiro Rotor With Comparison Between Calculated and Experimental Results,” NACA Report 487 (1934).
Edgar C. Wood, “The Army Helicopter, Past, Present and Future,” Journal of the American Helicopter Society, vol. 1, No. 1 (Jan. 1956), pp 87–92.
William T. Yeager, Jr., and Raymond G. Kvaternik, “A Historical Overview of Aeroelasticity Branch and Transonic Dynamics Tunnel Contributions to Rotorcraft Technology and Development,” NASA TM-2001-211054, ARL-TR-2564, (2001).
Walter J. Boyne and Donald S. Lopez, eds., Vertical Flight: The Age of the Helicopter (Washington: Smithsonian Institution Press, 1984).
Glenn E. Bugos, Atmosphere of Freedom, Sixty Years at the Ames Research Center, NASA SP-4314 (Washington, DC: NASA, 2000).
Alfred Gessow and Garry C. Myers, Jr., Aerodynamics of the Helicopter (New York: The Macmillan Company, 1952; reissued by Frederick Ungar Publishing Co., 1967).
Michael H. Gorn, Expanding the Envelope: Flight Research at NACA and NASA (Lexington: The University Press of Kentucky, 2001).
Richard P. Hallion and Michael H. Gorn, On the Frontier: Experimental Flight at NASA Dryden (Washington, DC: Smithsonian Books, 2003).
James R. Hansen, Engineer in Charge: A History of the Langley Aeronautical Laboratory, 1917–1958, NASA SP-4305 (Washington, DC: NASA, 1987).
James R. Hansen, Spaceflight Revolution: Langley Research Center From Sputnik to Apollo, NASA SP-4308 (Washington, DC: NASA, 1995).
Edwin P. Hartman, Adventures in Research, A History of Ames Research Center, 1940–1965, NASA SP-4302 (Washington, DC: NASA, 1970).
Michael J. Hirschberg, The American Helicopter: An Overview of Helicopter Developments in America, 1908–1999 (Arlington, VA: ANSER, 1999).
Wayne Johnson, Helicopter Theory (Princeton: Princeton University Press, 1980).
Martin D. Maisel, Demo J. Giulianetti, and Daniel C. Dugan, The History of The XV-15 Tilt Rotor Research Aircraft From Concept to Flight, NASA SP-2000-4517 (Washington, DC: NASA, 2000).
J.A. Stockfisch, The 1962 Howze Board and Army Combat Developments, Monograph Report MR-435-A (Santa Monica: The RAND Corporation, 1994).
Lt. Gen. John J. Tolson, Airmobility, 1961–1971, a volume in the U.S. Army Vietnam Studies series (Washington, DC: U.S. Army, 1973).