Weight and Balance - Commercial Ground

Figure 38

GIVEN:

Empty weight (oil is included) = 1,271 lb

Empty weight moment (in-lb/1,000) = 102.04

Pilot and copilot = 400 lb

Rear seat passenger = 140 lb

Cargo = 100 lb

Fuel = 37 gal

Is the airplane loaded within limits?

• No, the weight is acceptable, but the CG is aft of the aft limit

• No, the weight exceeds the maximum allowable

• Yes, the weight and CG is within limits

Figure 38

Given the following information, does the weight of the aircraft and center of gravity fall within allowable limits?

Empty weight (oil is included) = 1,275 lb

Empty weight moment (in-lb./1,000) = 102.05

Pilot and copilot = 390 lb

Rear-seat passenger = 145 lb

Cargo = 95 lb

Fuel = 35 gallons

• No, the weight exceeds the maximum allowable

• No, the weight is acceptable, but the center of gravity is aft of the allowable limits

• Yes, the weight and center of gravity is within the allowable limits

The CG of an aircraft can be determined by which of the following methods?

• Dividing total arms by total moments.

• Multiplying total arms by total weight.

• Dividing total moments by total weight.

GIVEN:

Weight A -- 155 pounds at 45 inches aft of datum

Weight B -- 165 pounds at 145 inches aft of datum

Weight C -- 95 pounds at 185 inches aft of datum

Based on this information, where would the CG be located aft of datum?

• 86.0 inches

• 116.8 inches

• 125.0 inches

GIVEN:

Total weight

4,137 lb

CG location

Station 67.8

Fuel consumption

13.7 GPH

Fuel CG

Station 68.0

After 1 hour 30 minutes of flight time, the CG would be located at station

• 70.78

• 68.79

• 67.79

When computing weight and balance, the basic empty weight includes the weight of the airframe, engine(s), and all installed optional equipment. Basic empty weight also includes

• .the unusable fuel, full operating fluids, and full oil

• all usable fuel, full oil, hydraulic fluid, but does not include the weight of pilot, passengers, or baggage.

• all usable fuel and oil, but does not include any radio equipment or instruments that were installed by someone other than the manufacturer

GIVEN:

Weight A -- 140 pounds at 17 inches aft of datum

Weight B -- 120 pounds at 110 inches aft of datum

Weight C -- 85 pounds at 210 inches aft of datum

Based on this information, the CG would be located how far aft of datum?

• 96.89 inches

• 106.92 inches

• 89.11 inches

GIVEN:

Weight A -- 135 pounds at 15 inches aft of datum

Weight B -- 205 pounds at 117 inches aft of datum

Weight C -- 85 pounds at 195 inches aft of datum

Based on this information, the CG would be located how far aft of datum?

• 109.0 inches

• 121.7 inches

• 100.2 inches

Figure 38

GIVEN:

Empty weight (oil is included) = 1,271 lb

Empty weight moment (in-lb./1,000) = 102.04

Pilot and copilot = 360 lb

Cargo = 340 lb

Fuel = 37 gal

Will the CG remain within limits after 30 gallons of fuel has been used in flight?

• Yes, but the CG will be located in the shaded area of the CG envelope

• Yes, the CG will remain within limits

• No, the CG will be located aft of the aft CG limit

Figure 38

GIVEN:

Empty weight (oil is included) = 1,271 lb

Empty weight moment (in-lb/1,000) = 102.04

Pilot and copilot = 260 lb

Rear seat passenger = 120 lb

Cargo = 60 lb

Fuel = 37 gal

Under these conditions, the CG is determined to be located

• within the shaded area of the CG envelope

• within the CG envelope

• on the forward limit of the CG envelope