Weight and Balance Calculations

(Refer to Figures 32 and 33.) Determine if the airplane weight and balance is within limits.

Front seat occupants.......................340 lb

Rear seat occupants........................295 lb

Fuel (main wing tanks)......................44 gal

Baggage.....................................56 lb

• A. 20 pounds overweight, CG aft of aft limits.

• B. 20 pounds overweight, CG within limits.

• C. 20 pounds overweight, CG forward of forward limits.

(Refer to Figures 32 and 33.) Upon landing, the front passenger (180 pounds) departs the airplane. A rear passenger (204 pounds) moves to the front passenger position. What effect does this have on the CG if the airplane weighed 2,690 pounds and the MOM/100 was 2,260 just prior to the passenger transfer?

• A. The CG moves forward approximately 3 inches.
• B. The weight changes, but the CG is not affected.
• C. The CG moves forward approximately 0.1 inch.

(Refer to Figure 61.) If 50 pounds of weight is located at point X and 100 pounds at point Z, how much weight must be located at point Y to balance the plank?

• A. 30 pounds.
• B. 50 pounds.
• C. 300 pounds.

Which items are included in the empty weight of an aircraft?

• A. Unusable fuel and undrainable oil.
• B. Only the airframe, powerplant, and optional equipment.
• C. Full fuel tanks and engine oil to capacity.

(Refer to Figure 34.) What is the maximum amount of fuel that may be aboard the airplane on takeoff if loaded as follows?

WEIGHT (LB) MOM/1000

Empty weight 1,350 51.5

Pilot and front passenger 340

Rear passengers 310

Baggage 45

Oil, 8 qt

• A. 24 gallons.

• B. 32 gallons.

• C. 40 gallons.

(Refer to Figures 32 and 33.) Determine if the airplane weight and balance is within limits.

Front seat occupants.......................415 lb

Rear seat occupants........................110 lb

Fuel, main tanks............................44 gal

Fuel, aux. tanks............................19 gal

Baggage.....................................32 lb

• A. 19 pounds overweight, CG within limits.

• B. 19 pounds overweight, CG out of limits forward.

• C. Weight within limits, CG out of limits.

(Refer to Figure 34.) What is the maximum amount of baggage that may be loaded aboard the airplane for the CG to remain within the moment envelope?

WEIGHT (LB) MOM/1000

Empty weight 1,350 51.5

Pilot and front passenger 250

Rear passengers 400

Baggage

Fuel, 30 gal

Oil, 8 qt 0.2

• A. 105 pounds.

• B. 110 pounds.

• C. 120 pounds.

If an aircraft is loaded 90 pounds over maximum certificated gross weight and fuel (gasoline) is drained to bring the aircraft weight within limits, how much fuel should be drained?

• A. 10 gallons.
• B. 12 gallons.
• C. 15 gallons.

(Refer to Figures 32 and 33.) What is the maximum amount of baggage that can be carried when the airplane is loaded as follows?

Front seat occupants.......................387 lb

Rear seat occupants........................293 lb

Fuel.......................................35 gal

• A. 45 pounds.

• B. 63 pounds.

• C. 220 pounds.

An aircraft is loaded 110 pounds over maximum certificated gross weight. If fuel (gasoline) is drained to bring the aircraft weight within limits, how much fuel should be drained?

• A. 15.7 gallons.
• B. 16.2 gallons.
• C. 18.4 gallons.