17 / 20

Refer to figure.
Using the CG envelope graph in the figure; which combination of weight and CG position is it safe to fly with?

  • A

    2750 lb and 83.4 inches aft of datum.

  • B

    2425 lb and 78.2 inches aft of datum.

  • C

    2650 lb and 85.8 inches aft of datum.

  • D

    2580 lb and 80.2 inches aft of datum.

Refer to figure.
There is little choice but to check each answer and to eliminate incorrect answers.

For the answer: 2750 lb and 83.4 inches aft of datum.

  1. Draw a horizontal line across the graph from the 2750 lb position
  2. Draw a vertical line up from the 83.4 inch position
  3. Where the 2 lines intercept, this is the CG position.

The CG is inside the trim envelope and the aircraft can fly...

Looking at the INCORRECT answers:

2425 lb and 78.2 inches aft of datum --> Outside the forward limit

2580 lb and 80.2 inches aft of datum --> Outside the forward limit

2650 lb and 85.8 inches aft of datum --> Outside the aft limit

Your Notes (not visible to others)



This question has appeared on the real examination, you can find the related countries below.