Ch 9 - Adjusting CG Position

Question 1

Methods of redistributing mass

Answer 1

Move all or part of the load between compartments

Removing or adding load

Adding ballast (last resort as it doesn’t make any money or help operations)

Question 2

Moment Ratio Method

Answer 2

m/M = d/D

Question 3

Moment Table

Answer 3

Masses Balance arms Moment

Question 4

Using Ballast

Answer 4

Last resort as it is non-revenue and induces extra fuel burn

Usually fuel and gets added to the unusable fuel

Question 5

Fuel For Ballast

Answer 5

Sometimes used to move CG particularly in large swept wing AC

It is unusable as it is for trim purpose only