1. ingras, D.R. "Experimental Investigation of a Multi-Aircraft Formation,"AIAA 99-3143,presented at the 17th AIAA Applied Aerodynamics Conference, Norfolk, Virginia, June 1999. *Blake, W. and Multhopp, D. "Design, Performance and Modeling Considerations for Close Formation Flight," AIAA Paper 98-4343, presented at AIAA Atmospheric Flight Mechanics Conference, Boston, MA, Aug. 1998. 3Maskew, B. "Formation Flying Benefits Based on Vortex Lattice Calculations," NASA CR-l 51974, May,1977. 4Hummel, D. "Aerodynamic Aspects of Formation Flight in Birds," Journal of Theoretical Biology, Vol.104, pp.321-347,1983. 5Albright, A.E., Dixon, C.J. and Hedegus, M.C. "Modification and Validation of Conceptual Design Aerodynamic Prediction Method HASC95 With VTXCHN," NASA CR-4712, March 1996. "Heath, C.B. "Wake Vortex Accident Investigations in the 1980's: Four Case Studies," AFWAL-TM-87-179, July 1987. 7Kurylowich, G. "A Method for Assessing the Impact of Wake Vortices on USAF Operations,0022. AFFDL-TR-79-3060, July 1979. astings, E.C., Jr. and Keyser, G.L., Jr., Simulator Studies of Vortex Encounters by a Twin-Engine Commercial Jet Transport Airplane,"NASA. TP-1966, February 1982. Table 1Testconditions.
2. <(a=lO) 1.50,2.25 o.o,0.5,l.O,1.5 -0.60 -0.43 -0.27 1.50.2.25 -0.5.1.o.1.5 -0.30 -0.13 0.03 1.5012.25 -0.5;~LO,1.5 v I
3. II II -0.40-2' ' ' -i ' b ' ' -i ' b i ' i '
4. , 1 -0.30;+-i-l-