A&P - Aircraft and Powerplant Weight and Balance Calculations Questions and Answers

Question 1

An aircraft with an empty weight of 2,100 pounds and an empty weight CG (EWCG) of +32.5 inches was altered.
A new radio weighing 10 pounds was installed at station +28.0, and a seat weighing 25 pounds was removed from station +72.0.
What is the new empty weight and CG of the aircraft?

Accepted Answer

2,085 pounds, +33.04 inches

Answer

2,115 pounds, +31.96 inches

Answer

2,085 pounds, +31.96 inches

Answer

2,115 pounds, +33.04 inches

Question 2

Which of the following is defined as the weight of the airframe, engines, all permanently installed equipment, and unusable fuel? It does not include the crew, passengers, or usable fuel.

Accepted Answer

Standard empty weight

Answer

Maximum takeoff weight

Answer

Licensed empty weight

Answer

Useful load

Question 3

When weighing an aircraft, the weight of chocks and other equipment used to hold the aircraft on the scales is known as what?

Accepted Answer

Tare weight

Answer

Residual weight

Answer

Ballast weight

Answer

Zero fuel weight

Question 4

The center of gravity (CG) of an aircraft is computed along which axis?

Accepted Answer

Longitudinal

Answer

Vertical

Answer

Lateral

Answer

Horizontal

Question 5

An aircraft has a total weight of 4,800 lbs and a CG located at station 82.0. The acceptable CG range is 80.5 to 90.0. If 200 lbs of cargo is shifted from the forward baggage compartment at station 45.0 to the aft baggage compartment at station 145.0, what is the new CG?

Accepted Answer

86.2 inches

Answer

84.1 inches

Answer

77.8 inches

Answer

80.0 inches

Question 6

What is the primary result of loading an aircraft so that its center of gravity is located forward of the specified forward CG limit?

Accepted Answer

Difficulty in raising the nose during takeoff and landing

Answer

Improved fuel efficiency

Answer

Reduced longitudinal stability

Answer

A tendency to stall at a lower-than-normal airspeed