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Licking Gravity

There is more to weight and balance than the obvious fact that airplanes behave differently when the center of gravity (CG) is forward versus aft. The acceptable CG range tends to be broader when the plane is carrying a minimal load and narrower as you approach gross weight. Performance always matters, but CG is the most critical performance factor when the plane is at gross weight.Calculating weight and balance is not complex. Its pretty basic math that we all learn to do early on in ground school. And just like balancing a checkbook before paying bills, the numbers should always add up. It is just a little more effort with a bigger plane offering more loading permutations-more options for where people and objects can be stationed inside.

Gemini Sparkle

Key Takeaways:

  • Accurate weight and balance (W&B) calculations are fundamental for aviation safety and optimal aircraft performance, particularly at gross weight, and should never be guessed.
  • Modern tools like smartphone apps and Electronic Flight Bags (EFBs) simplify the essential process of calculating W&B, enabling pilots to efficiently manage various load configurations.
  • The aircraft's Center of Gravity (CG) profoundly impacts flight characteristics, requiring pilots to understand and adapt to its effects on takeoff, landing, and in-flight efficiency.
  • W&B is a dynamic factor influenced by changes in passenger/cargo, fuel burn, and aircraft configuration, necessitating continuous recalculation and adjustment for safe operations.
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Caravan Loaded

I write this sitting at the Boise Air Terminal/Gowen Field in Idaho, waiting for my passengers to show up. I will be flying a Britten-Norman BN-2 Islander seating nine people, besides me. When my passengers start showing up, I will start what I call my “gravity check.” I will weigh the baggage, but I won’t weigh the people. I trust most of them know their weight from bathroom scales, but they are usually optimists and fully clothed, so I’ll add 10 pounds to their declared physical weights (with FAA approval, of course).

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