Weight And Balance

Question 1

When computing weight and balance, an airplane is considered to be in balance when:
A. The average moment arm of the loaded airplane falls within its CG range.
B. All moment arms of the plane fall within CG.
C. The movement of the passengers will not cause the moment arms to fall outside the CG range.

Answer 1

A. The average moment arm of the loaded airplane falls within its CG range.

Question 2

What tasks are completed prior to weighting an aircraft to determine its empty weight?
A. Remove all items except those on the aircraft equipment list; drain fuel and hydraulic fluid.
B. Remove all items on the aircraft equipment list; drain fuel, compute oil and hydraulic fluid weight.
C. Remove all items except those on the aircraft equipment list; drain fuel and fill hydraulic reservoir.

Answer 2

C. Remove all items except those on the aircraft equipment list; drain fuel and fill hydraulic reservoir.

Question 3

What is meant by the term “residual fuel”?
A. A known amount of fuel left in the tank, lines, and engine.
B. The fuel remaining in the tank, lines, and engine after draining.
C. The fuel remaining in the tank, lines, and engine before draining.

Answer 3

B. The fuel remaining in the tank, lines, and engine after draining.

Question 4

The useful load of an aircraft consists of the:
A. Crew, usable fuel, passengers, and cargo.
B. Crew, usable fuel, oil, and fixed equipment.
C. Crew, passengers, usable fuel, oil, cargo, and fixed equipment.

Answer 4

A. Crew, usable fuel, passengers, and cargo.

Question 5

Which of the following can provide the empty weight of an aircraft if the aircraft’s weight and balance records become lost, destroyed, or otherwise inaccurate?
A. Reweighing the aircraft.
B. The applicable aircraft specification or type certificate data sheet.
C. The applicable fight manual or pilot’s operating handbook.

Answer 5

A. Reweighing the aircraft.

Question 6

When calculating the new weight and balance for an aircraft, what is used to determine the operating CG range?
A. The dada plate.
B. The Type Certificate Data Sheets.
C. The pilot information manual.

Answer 6

B. The Type Certificate Data Sheets.

Question 7

When calculating the new weight and balance for an aircraft, what is used to determine the operating CG range?
A. The Type Certificate Data Sheets.
B. The pilot information manual.
C. The data plate.

Answer 7

A. The Type Certificate Data Sheets.

Question 8

In the theory of weight and balance, what is the name of th distance from the fulcrum to an object?
A. Lever arm.
B. Balance arm.
C. Fulcrum arm.

Answer 8

A. Lever arm.

Question 9

In the process of weighing an airplane toward obtaining the CG, the arms from the weighting points always extend:
A. Parallel to the centerline of the airplane.
B. Straight forward from each of the landing gear.
C. Directly form each weighting point to the others.

Answer 9

A. Parallel to the centerline of the airplane.

Question 10

Which of the following have an effect on aircraft CG results when conducting a weight and balance check?
A. Leaving the parking brake on.
B. Leaving the parking brake off.
C. Leaving the downlocks installed.

Answer 10

C. Leaving the downlocks installed.

Question 11

Which of the following may cause erroneous scale readings?
A. Wheel chocks in place.
B. Parking brakes set.
C. Parking brakes not set.

Answer 11

B. Parking brakes set.

Question 12

(1) Private aircraft are required by regulations to be weighed periodically.
(2) Private aircraft are required to be weighted after making any alteration.
A. Neither 1 nor 2 is true.
B. Only 1 is true.
C. Only 2 is true.

Answer 12

A. Neither 1 nor 2 is true.

Question 13

What FAA- approved document gives the leveling means to be used when weighting an aircraft?
A. Type Certificate Data Sheet.
B. AC 43.14-1B.
C. Manufacturer’s maintenance manual.

Answer 13

A. Type Certificate Data Sheet.

Question 14

Which device(s) is/are used to obtain the greatest accuracy of aircraft leveling?
A. Plumb bob and chalk line.
B. Spirt level.
C. Electronic load cells.

Answer 14

B. Spirt level.

Question 15

To obtain useful weight data for purpose of determining the CG, it is necessary that an aircraft be weighed:
A. In a level flight attitude.
B. With all items of useful load installed.
C. With no more than minimum fuel (1/12-gallon per METO horsepower) in all fuel tanks.

Answer 15

A. In a level flight attitude.

Question 16

What type of measurement is used to designate the arm in weight and balance computation?
A. Distance.
B. Weight.
C. Weight x distance.

Answer 16

A. Distance.

Question 17

What determines whether the value of a moment is preceded by a plus or minus sign in aircraft weight and balance?
A. The location of the weight and reference to the datum.
B. The location of the weight relative to the datum and if it is removed or added.
C. The location of the datum in reference to the aircraft CG.

Answer 17

B. The location of the weight relative to the datum and if it is removed or added.

Question 18

The maximum weight of an aircraft is the:
A. Empty weight plus crew, maximum fuel, cargo, and baggage.
B. Empty weight plus crew, passengers, and fixed equipment.
C. Empty weight plus useful load.

Answer 18

C. Empty weight plus useful load.

Question 19

Which statement is true regarding helicopter weight and balance?
A. Lateral axis CG control is not a factor in maintaining helicopter weight and balance.
B. The moment of tail-mounted components is subject to constant change.
C. Weight and balance procedures for airplanes also apply to helicopters.

Answer 19

C. Weight and balance procedures for airplanes also apply to helicopters.

Question 20

What should be clearly indicated on the aircraft weighting form?
A. Minimum allowable gross weight.
B. Weight of unusable fuel.
C. Weight points.

Answer 20

C. Weight points.

Question 21

If the reference datum line is places at the nose of the airplane rather than at the firewall or some other location aft of the nose,
A. All measurement arms will be in negative number.
B. All measurement arms will be in positive numbers.
C. Measurement arms can be either positive or negative numbers depending on the manufacturer’s preference.

Answer 21

B. All measurement arms will be in positive numbers.

Question 22

Maximum zero fuel weight is the:
A. Dry weight plus the weight of full crew, passengers, and cargo.
B. Basic operating weight without crew, fuel, and cargo.
C. Maximum permissible weight of a loaded aircraft (passengers, crew, and cargo) without fuel.

Answer 22

C. Maximum permissible weight of a loaded aircraft (passengers, crew, and cargo) without fuel.

Question 23

If it is necessary to weigh an aircraft with full fuel tanks, all fuel weight must be subtracted from the scale readings:
A. Except minimum fuel.
B. Including unusable fuel.
C. Except unusable fuel.

Answer 23

C. Except unusable fuel.

Question 24

The empty weight of an airplane is determined by:
A. Adding the net weight of each weighting point and multiplying the measured distance to the datum.
B. Subtracting the tare weight from the scale reading and adding the weight of each weighing point.
C. Multiplying the measures distance from each weighing point to the datum times the sum of scale reading less the tare weight.

Answer 24

B. Subtracting the tare weight from the scale reading and adding the weight of each weighing point.

Question 25

When dealing it’s weight and balance of an aircraft, maximum weight is interpreted to mean the maximum:
A. Weight of the empty aircraft.
B. Weight of the useful load.
C. Authorized weight of the aircraft and its contents.

Answer 25

C. Authorized weight of the aircraft and its contents.

Question 26

Most modern aircraft are designed so that if all seats are occupied, full baggage weight is carried, and all fuel tanks are full, what will be the weight condition of the aircraft?
A. It will be in excess of maximum takeoff weight.
B. It will be at maximum basic operating weight.
C. It will be at maximum text or ramp weight.

Answer 26

A. It will be in excess of maximum takeoff weight.

Question 27

The major source of weight change for most aircraft as they age is caused by:
A. Accumulation of grime and debris in hard-to-reach areas of the structure, and moisture absorption in cabin insulation.
B. Repairs and alterations.
C. Installation of hardware and safety wire, and added layers of of primer and paint on structure.

Answer 27

B. Repairs and alterations.

Question 28

The useful load of an aircraft is the difference between:
A. The maximum takeoff weight and basic empty weight.
B. Maximum ramp or takeoff weight as applicable, and zero fuel weight.
C. (1) The weight of an aircraft with all seats filled, full baggage/cargo, and full fuel, and (2) aircraft weight with all seats empty, no baggage/cargo, and minimum operating fuel.

Answer 28

A. The maximum takeoff weight and basic empty weight.

Question 29

When determining the empty weight of an aircraft, certificated under current airworthiness standards (14 CFR Part 23), the oil contained in the supply tank is considered:
A. A part of the empty weight.
B. A part of the useful load.
C. The same as the fluid contained in the water injection reservoir.

Answer 29

A. A part of the empty weight.

Question 30

Improper loading of a helicopter certificated which results in exceeding either the fore or aft CG limits is hazardous due to the:
A. Reduction or loss of effective cyclic pitch control.
B. Coriolis effect being translated to the fuselage.
C. Reduction or loss of effective collective pitch control.

Answer 30

A. Reduction or loss of effective cyclic pitch control.

Question 31

The maximum weight as used in weight and balance control of a given aircraft can normally be found:
A. By adding the weight of full fuel, pilot, passengers, and maximum allowable baggage to the empty weight.
B. In the aircraft specification or type certificate data sheet.
C. By adding the empty weight and payload.

Answer 31

B. In the aircraft specification or type certificate data sheet.

Question 32

An aircraft with an empty weight of 2,100 pounds and an empty weight CG +32.5 was