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Question 1

When computing the maximum forward loaded CG of an aircraft, minimum weights, arms, and moments should be used for items of useful load that are located aft of the

Answer 1

forward CG limit.

• rearward CG limit.
• datum.

Question 2

What FAA-approved document gives the leveling means to be used when weighing an aircraft?

Answer 2

Type Certificate Data Sheet.

• AC 43.13-1B.
• Manufacturer’s maintenance manual.

Question 3

An aircraft’s LEMAC and TEMAC are defined in terms of distance

Answer 3

from the datum.

• from each other.
• ahead of and behind the wing center of lift, respectively.

Question 4

An aircraft with an empty weight of 1,800 pounds and an empty weight CG of +31.5 was altered as follows:
1. two 15-pound passenger seats located at +72 were removed;
2. structural modifications increasing the weight 14 pounds were made at +76;
3. a seat and safety belt weighing 20 pounds were installed at +73.5; and
4. radio equipment weighing 30 pounds was installed at +30.
What is the new empty weight CG?

Answer 4

+31.61.

• +32.69.
• +30.61.

Question 5

Which would have an effect on aircraft CG results when conducting a weight and balance check?

Answer 5

Leaving the downlocks installed.

• Leaving the parking brake off.
• Leaving the parking brake on.

Question 6

What type of measurement is used to designate the arm in weight and balance computation?

Answer 6

Distance.

• Weight
• Weight x distance.

Question 7

What determines whether the value of a moment is preceded by a plus (+) or a minus (-) sign in aircraft weight and balance?

Answer 7

The result of a weight being added or removed and its location relative to the datum.

• The location of the weight in reference to the datum.
• The location of the datum in reference to the aircraft CG.

Question 8

If the reference datum line is placed at the nose of an airplane rather than at the firewall or some other location aft of the nose,

Answer 8

all measurement arms will be in positive numbers.

• all measurement arms will be in negative numbers.
• measurement arms can be either positive or negative numbers depending on the manufacturer’s preference.

Question 9

Where do you look to determine the operating CG range when calculating a new aircraft weight and balance document?

Answer 9

It is found in the type certificate data sheet.

• It is found on the airframe data plate.
• It is found in the pilot’s aircraft information manual.