CG location may be expressed in inches from the reference datum, or in percent MAC. Which option expresses these two forms?

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Study for the Pilot's Handbook of Aeronautical Knowledge Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

CG location may be expressed in inches from the reference datum, or in percent MAC. Which option expresses these two forms?

Explanation:
CG location is described along the airplane’s longitudinal axis either as a distance from a fixed reference point (the datum) or as a percentage of the mean aerodynamic chord (MAC). The correct form uses inches from the reference datum and percentage of MAC, which are the two standard ways to express CG position. Distances from the tail or nose or percentages of wing area/span aren’t the conventional CG expressions, so they don’t fit the typical method.

CG location is described along the airplane’s longitudinal axis either as a distance from a fixed reference point (the datum) or as a percentage of the mean aerodynamic chord (MAC). The correct form uses inches from the reference datum and percentage of MAC, which are the two standard ways to express CG position. Distances from the tail or nose or percentages of wing area/span aren’t the conventional CG expressions, so they don’t fit the typical method.

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