If you are given a CG at 77.6 in and the forward limit is 60 in, how much forward movement is needed to reach the forward limit?

If you are given a CG at 77.6 in and the forward limit is 60 in, how much forward movement is needed to reach the forward limit?

• A. 17.6 inches toward the forward limit.
• B. 37.6 inches toward the forward limit.
• C. 17.6 inches toward the aft limit.
• D. 77.6 inches toward the forward limit.

Answer: (A)

The needed move is found by comparing how far the current CG is from the forward limit. The forward limit is 60 inches, while the current CG is 77.6 inches. That puts the CG 17.6 inches behind the forward limit (77.6 − 60 = 17.6). To reach the forward limit, you must move the CG 17.6 inches forward (toward the nose). This brings the CG exactly to the forward limit. The other options would either move the CG in the wrong direction or overshoot the limit.

The needed move is found by comparing how far the current CG is from the forward limit. The forward limit is 60 inches, while the current CG is 77.6 inches. That puts the CG 17.6 inches behind the forward limit (77.6 − 60 = 17.6). To reach the forward limit, you must move the CG 17.6 inches forward (toward the nose). This brings the CG exactly to the forward limit. The other options would either move the CG in the wrong direction or overshoot the limit.