## Weight and Balance Revision Record

Aircraft manufacturers use different formats for their weight and balance data, but Figure is typical of a weight and balance revision record. All weight and balance records should be kept…

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## Equipment List | CG Change After a Repair or Alteration

The Federal Aviation Administration (FAA) considers the addition or removal of equipment included in the Comprehensive Equipment List to be a minor alteration. The weights and arms are included with…

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## Multiengine Aircraft Weight and Balance Computations

Weight and balance computations for small multiengine airplanes are similar to those discussed for single-engine airplanes. See Figure 1 for an example of weight and balance data for a typical…

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## Single-Engine Aircraft Weight and Balance Computations (Part 1)

Weight and balance data allows the pilot to determine the loaded weight of the aircraft and determine whether or not the loaded center of gravity (CG) is within the allowable…

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## Single-Engine Aircraft Weight and Balance Computations (Part 2)

Loading Graph Method The charts and graphs found in the POH/AFM can help simplify and expedite the preflight weight and balance computation process. Some use a loading graph and moment…

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## Light Sport Aircraft Weight and Balance Control

This post discusses the weight and balance procedures for light sport aircraft (LSA) that differ from conventional aircraft, specifically weight-shift control (WSC) aircraft (also called trikes), powered parachutes, and amateur-built…

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## Center of Gravity (CG) and Mean Aerodynamic Chord (MAC)

Center of Gravity (CG) In addition to overloading or drastically reducing the aircraft’s weight, the distribution of weight is also a concern. When aircraft equipment is changed, the person making…

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## Location of Datum

The location of the datum is not important, but all measurements must be made from the same location. Datum Forward of the Main Wheels—Tailwheel Landing Gear Locating the CG of…

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## Empty Weight Center of Gravity Formulas

A chart such as the one in Figure 1 helps the pilot visualize the weights, arms, and moments when solving an EWCG problem, but it is quicker to determine the…

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## Determining the Center of Gravity

When the aircraft is in its level flight attitude, drop a plumb line from the datum and make a mark on the hangar floor below the tip of the bob.…

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