Summary: Max talks about what you need to know about aircraft weight and balance theory. Plus a listeners asks whether to buy a 2003 Cessna 182 with a GTN 750, or a 2004 model with the Garmin G1000. We discuss several accidents involving weight and balance issues, and how to calculate a weight and balance. Finally, we talk about how %MAC is used in turboprops and jets to calculate a center of gravity.