Empty Weight Empty weight is defined as the total weight of an aircraft including all fixed ballast, unusable fuel, undrainable oil, total quantity of engine coolant and total quantity of hydraulic fluid, and excluding crew, payload, usable fuel and drainable oil.
Everything Explained: Weight and Balance
Key Takeaways:
- The article defines various aircraft weight categories, including Empty Weight, Basic Operating Weight, and Useful Load, alongside operational limits such as Maximum Takeoff, Landing, and Ramp Weights.
- A critical limitation, the Maximum Allowable Zero Fuel Weight (MZFW), specifies the maximum weight allowed in the fuselage to prevent wing-bending stress, mandating that any additional weight be carried as fuel in the wings.
- Aircraft balance is determined by the Center of Gravity (CG), calculated by dividing the total moment (weight × arm from a datum) by the total weight, and must remain within specified forward and aft limits for safe flight, often expressed as a percentage of the Mean Aerodynamic Chord (MAC).
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