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031 Mass & Balance

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Refer to figure or Cap 696

file 4.12. The ZFM of an aeroplane is equal to 48 000 kg and the CG 

position is at 25% MAC. Which one of the statements below is correct?

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Refer to figure

Calculate the CG position and moment for the BASIC EMPTY MASS by using the data given from the 

attached table

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During the pre-flight mass and balance calculations, a fuel amount of 1 850 kg has been decided to

be carried for tankering purposes. While the refuelling procedure was about to start, the load

controller informs the Commander about a Last Minute Change (LMC) of +285 kg. Given the

following information, calculate the maximum Block Fuel that can be carried.

Dry Operating Mass: 4 135 kg

Traffic Load before LMC: 1 200 kg

Maximum Zero Fuel Mass: 6 805 kg

Allowed Take-off Mass: 7 205 kg

Minimum Required Block Fuel: 1 430 kg

Taxi Fuel: 33 kg

(Assume no restrictions on the Landing Mass)

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Refer to figure. Airbus A320 has a seating capacity of 162 passengers, and it is scheduled to operate a holiday charter Commercial Air transport flight within Europe. The loading manifest shows the following information:

Passengers An: 152 adults + 8 children + 5 infants (carried on the same seat of the parent)

Passenger baggage: 132 pieces

Freight: 1020 kg

If the operator uses standard masses for passengers (all adults) and checked baggage, the actual traffic load of this flight is..

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A loaded aircraft has its Centre of Gravity (CG) 48 inches forward of the datum, and its mass is 2966 

Ib. If a last minute load of 128 Ib is added 28 inches aft of the datum.

What is the new position of the CG?

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Given the following data, what is the additional traffic load that the crew could accept for take-off?

Dry Operating Mass: 12 445 Ib

Traffic Load: 241 Ib

Fuel loaded: 5 000 Ib

Trip Fuel: 3 000 lb

Taxi Fuel: 100 lb

MTOM: 18 386 Ib

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Determine the allowed mass for take-off for a medium Range Jet Transport Aeroplane (MRJT). Given:

Maximum Zero Fuel Mass (MZFM): 61 688 kg

Maximum take-off Mass (MTOM): 66 990 Kg

Maximum Landing Mass (MLM): 65 317 kg

Performance limited Take-off Mass (TOM): 64 900 kg

Performance limited landing Mass (LM): 67 300 Kg

Trip Fuel: 3 800 kg

Block Fuel: 6 000 kg

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A flight crew of a turbojet aeroplane prepares a Commercial Air Transport flight using the following information. Determine the allowed take-off mass for this flight:

Maximum Take-Off Mass: 62 800 kg

Maximum Landing Mass: 54 900 kg

Maximum Zero Fuel Mass:50 300 kg

Take-off Mass is NOT performance limited

Performance-Limited Landing Mass at destination: 53 950 kg

Block Fuel: 9 720 kg

Taxi Fuel: 120 kg

Trip Fuel: 6 160 kg

Reserve Fuel (contingency, alternate and final): 2 660 kg

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A loaded aircraft has a TOM of 3800 Ib. The take-off CG is at 95 inches, which is out of the rear limit.

How many pounds of ballast need to be placed in the forward cargo compartment, which is located at 

22.5 inches, to move the CG to 93 inches?

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A container has a base area of 1.44 m?

The container is loaded on two ground supports (of negligible mass), each having floor-contact dimensions of 0.2 m x

1.2 m.

Given that the maximum permissible floor load of the cargo compartment, which is 732 kg/m?, must be respected, what

is the maximum mass that can be loaded in the container?

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