xi Use of Computer for Weight and Balance  Computations ....................................................10-1 Introduction..................................................................10-1 Electronic Calculator ...................................................10-2 E6-B Flight Computer..................................................10-2 Dedicated Electronic Flight Computer ........................10-3 Typical Weight and Balance Problems ....................10-4 Determining CG in Inches From the Datum ............10-4 Nosewheel Airplane With Datum Ahead of the  Main Wheels.........................................................10-4 Nosewheel Airplane With Datum Behind the  Main Wheels.........................................................10-4 Tailwheel Airplane With Datum Ahead of the  Main Wheels.........................................................10-4 Tailwheel Airplane With Datum Behind the  Main Wheels.........................................................10-4 Determining CG, Given Weights, and Arms ...........10-5 Determining CG, Given Weights, and Moment  Indexes......................................................................10-5 Determining CG in Percent Mean Aerodynamic  Chord (MAC) ...........................................................10-5 Determining Lateral CG of a Helicopter..................10-5 Determining ΔCG Caused by Shifting Weights.......10-6 Determining Weight Shifted to Cause Specified ΔCG..........................................................................10-6 Determining Distance Weight Is Shifted to Move  CG a Specific Distanc .............................................10-6 Determining Total Weight of an Aircraft With a  Specified ΔCG When Cargo Is Move ....................10-7 Determining Amount of Ballast Needed to Move  CG to a Desired Location.........................................10-7 Appendix A.......................................................... A-1 Appendix B.......................................................... B-1 Glossary ..............................................................G-1 Index ......................................................................I-1 Chapter 10