Table of Contents Maximum Weights .....................................................2-6 Number of Seats .........................................................2-6 Maximum Baggage ...................................................2-6 Fuel Capacity..............................................................2-6 Oil Capacity (Wet Sump) ...........................................2-6 Data Pertinent to all Models.....................................2-10 Manufacturer-Furnished Information ..........................2-10 Preface....................................................................iii Introduction.............................................................v Acknowledgments................................................vii Table of Contents ..................................................ix Weight and Balance Control...............................1-1 Introduction....................................................................1-1 Responsibility for Weight and Balance Control ............1-2 Terminology...................................................................1-2 Weight Control ..............................................................1-2 Effects of Weight ...........................................................1-3 Weight Changes .............................................................1-3 Stability and Balance Control ........................................1-4 Weight Control for Aircraft Other Than Fixed and  Rotor-wing .....................................................................1-5 Weight-Shift Control Aircraft ....................................1-5 Powered Parachutes....................................................1-6 Balloons......................................................................1-6 Underestimating the Importance of Weight and  Balance...........................................................................1-6 Chapter 1 Weight and Balance Theory ...............................2-1 Introduction....................................................................2-1 Weight and Balance Theory...........................................2-2 Arm ............................................................................2-2 Moment ......................................................................2-2 The Law of the Lever.....................................................2-2 Shifting the Balance Point or CG...................................2-4 Solution by Chart .......................................................2-4 Basic Weight and Balance Equation ..........................2-4 Solution by Formula...................................................2-5 Mean Aerodynamic Chord.............................................2-5 FAA-Furnished Weight and Balance Information ........2-6 CG Range ...................................................................2-6 Empty Weight CG Range (EWCG) ...........................2-6 Chapter 2 Empty Weight Center of Gravity ........................3-1 Introduction....................................................................3-1 Requirements .................................................................3-2 Equipment for Weighing................................................3-2 Preparation for Weighing...............................................3-3 Scale Preparation........................................................3-3 Weigh Clean Aircraft Inside Hangar..........................3-4 Equipment List ...........................................................3-4 Ballast.........................................................................3-4 Standard Weights .......................................................3-4 Draining the Fuel........................................................3-4 Oil...............................................................................3-4 Other Fluids................................................................3-4 Configuration of the Aircraf ......................................3-5 Jacking the Aircraft ....................................................3-5 Leveling the Aircraft ..................................................3-5 Safety Considerations.................................................3-5 Determining the CG.......................................................3-5 EWCG Formulas............................................................3-6 Datum Forward of the Airplane—Nosewheel  Landing Gear..............................................................3-6 Datum Aft of the Main Wheels—Nosewheel  Landing Gear..............................................................3-6 Location of Datum .........................................................3-7 Datum Forward of the Main Wheels—Tailwheel  Landing Gear..............................................................3-7 Datum Aft of the Main Wheels—Tailwheel  Landing Gear..............................................................3-7 Center of Gravity (CG) and Mean Aerodynamic  Chord (MAC).................................................................3-8 Chapter 3 Weighing the Aircraft and Determining the  ix