SPC Weight and Balance

Question 1

What is the 'datum' used in aircraft weight and balance calculations?

Accepted Answer

An imaginary vertical plane from which all arm measurements are taken

Answer

The point where the aircraft's weight is perfectly balanced

Answer

The center of the aircraft's fuselage

Answer

The point directly below the main landing gear

Question 2

How is 'moment' calculated in weight and balance?

Accepted Answer

Weight multiplied by arm

Answer

Weight divided by arm

Answer

Arm divided by weight

Answer

Weight added to arm

Question 3

What does an aircraft's 'empty weight' typically include?

Accepted Answer

Airframe, engine, unusable fuel, and full engine oil

Answer

Airframe only, without any fluids

Answer

Airframe, engine, and all usable fuel

Answer

Airframe, passengers, and baggage

Question 4

What is 'useful load'?

Accepted Answer

The maximum gross weight minus the basic empty weight

Answer

The weight of fuel, passengers, and baggage only

Answer

The weight of the aircraft minus engine oil

Answer

The weight of payload minus fuel

Question 5

What happens to aircraft handling if the center of gravity (CG) is located too far forward?

Accepted Answer

The aircraft becomes nose-heavy and requires excessive back pressure to rotate

Answer

The aircraft becomes longitudinally unstable

Answer

The aircraft tends to pitch up uncontrollably

Answer

Stall speed decreases significantly

Question 6

Where is the weight and balance data specific to your aircraft found?

Accepted Answer

Pilot's Operating Handbook (POH) / Airplane Flight Manual (AFM)

Answer

FAR/AIM

Answer

Airport Facility Directory

Answer

Aeronautical Information Manual

Question 7

What is the standard weight used for aviation gasoline (avgas) in weight and balance calculations?

Accepted Answer

6 pounds per gallon

Answer

5 pounds per gallon

Answer

7 pounds per gallon

Answer

8 pounds per gallon