Precision aerial delivery systems : modeling dynamics and control PADS and measures of their effectiveness Oleg Yakimenko Basic analysis of ram air parachute Steven Lingard Key factors affecting PADS landing precision Oleg Yakimenko and Horst Altmann Aerodynamic characterization of parafoils Hamid Johari Oleg Yakimenko and Thomas Jann Equations of motion Oleg Yakimenko and Nathan Slegers Stability and steady state performance Oleg Yakimenko Thomas Jann Gil Iosilevskii Peter Crimi and Glen Brown Guidance navigation and control Oleg Yakimenko and Thomas Jann Glide angle control James Moore and Oleg Yakimenko Control of non gliding parachute systems Oleg Yakimenko and Travis Fields Flight test instrumentation Thomas Jann and Oleg Yakimenko Parametrical identification of parachute systems Oleg Yakimenko and Thomas Jann Appendix A: AIAA aerodynamic deceleratory systems TC activities Appendix B: Units conversion Appendix C: Canopy data Appendix D: Computation of CEP[subscript]DMPI and CEP[subscript]MPI for noncircular distribution Appendix E: PADS geometry and mass properties modeling Appendix F: PADS penetration speed Appendix G: Geometry and mass properties of different weight PADS models Appendix H: Geometry and mass properties of the G 12 based AGAS