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Exam simulation Mass and Balance - ATPL - Airline Transport Pilot Licence

Exam simulation ATPL Question Bank in English Mass and Balance 120 questions on 120 minutes

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1 - The Zero Fuel Mass and the Dry Operating Mass
2 - The Dry Operating Mass is the total mass of the aircraft ready for a specific type of operation but excluding
3 - A location in the aircraft which is identified by a number designating its distance from the datum is known as:
4 - Given are the following information at take-off ____________________________________________________________ STATION....................MASS (kg)....ARM (cm)....MOMENT (kgcm) ____________________________________________________________ Basic Empty Condition...12045.........+30......+361350 Crew..................................145........-160.......-23200 Freight (1)..........................570.......+200......+114000 Freight (2)..........................410..........-40.......-16400 Fuel.................................6045...........-8.......-48360 Given that the flight time is 2 h and the estimated fuel flow will be 1050 litres per h. The specific density of fuel is 0.79. The 'Freight (2)' will be dropped during flight within the scope of a rescue action. Calculate the CG position at landing.
5 - When considering the effects of increased mass on an aeroplane, which of the following is true?
6 - In calculations with respect to the position of the centre of gravity a reference is made to a datum. The datum is
7 - According to the mass terminology used in CAA CAP 696, the term 'useful load' includes:
8 - The Maximum Zero Fuel Mass is the mass of the aeroplane with no usable fuel on board. It is a limitation which is:
9 - The Maximum Taxi (Ramp) Mass is governed by:
10 - An aeroplane must be re-weighed at certain intervals. Where an operator uses 'fleet masses' and provided that changes have been correctly documented, this interval is
11 - The term 'Maximum Zero Fuel Mass' consist of:
12 - During take-off you notice that, for a given elevator input, the aeroplane rotates much more rapidly than expected. This is an indication that:
13 - What are the standard masses used for crew?
14 - From the loading manual for the transport aeroplane, the aft cargo compartment has a maximum total load of:
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15 - When an aircraft is stationary on the ground, its total weight will act vertically
16 - Given are:- Maximum structural take-off mass: 72 000 kg- Maximum structural landing mass: 56 000 kg- Maximum zero fuel mass: 48 000 kg- Taxi fuel: 800 kg- Trip fuel: 18 000 kg- Contingency fuel: 900 kg- Alternate fuel: 700 kg- Final reserve fuel: 2 000 kg. The actual take-off mass can never be higher than:
17 - An aeroplane with a two wheel nose gear and four main wheels rests on the ground with a single nose wheel load of 500 kg and a single main wheel load of 6000 kg. The distance between the nose wheels and the main wheels is 10 m. How far is the centre of gravity in front of the main wheels?
18 - Length of the mean aerodynamic chord = 1 m Moment arm of the forward cargo: -0,50 m Moment arm of the aft cargo: + 2,50 m. The aircraft mass is 2 200 kg and its centre of gravity is at 25% MAC. To move the centre of gravity to 40%, which mass has to be transferred from the forward to the aft cargo hold?
19 - Which of the following is most likely to affect the range of centre of gravity positions on an aeroplane?
20 - For an aircraft operated in EASA commercial air transport using individual aircraft masses, the mass and CG must be established by weighing before initial entry into service and thereafter:
21 - For the purpose of aeroplane mass and balance calculations, the datum point is defined as:
22 - The maximum load per running metre of an aircraft is 350 kg / m. The width of the floor area is 2 metres. The floor strength limitation is 300 kg per square metre. Which one of the following crates (length x width x height) can be loaded directly on the floor?
23 - Using the CAA CAP 696 definition of useful load (take-off mass minus dry operating mass), calculate the useful load for: Basic Empty Mass 4960 kg, Dry Operating Mass 5220 kg, Zero Fuel Mass 6040 kg and Take-off Mass 7630 kg.
24 - Considering only structural limitations, on long distance flights (at the aeroplane's maximum range), the traffic load is normally limited by:
25 - The operating mass of an aeroplane is:
26 - When has the centre of gravity to be computed?
27 - When a conventional aeroplane with a tricycle undercarriage is weighed using a separate scale at each landing-gear support position, how many support positions are used?
28 - For a particular aeroplane, the structural maximum mass without any fuel on board, other than unusable quantities, is:
29 - The floor limit of an aircraft cargo hold is 5000 N/m². It is planned to load-up a cubic container measuring 0,4 m of side. Its maximum gross mass must not exceed: (assume g = 10 m/s²)
30 - Regarding centre of gravity position and longitudinal stability, which of the following statements is correct?
31 - A pallet having a freight platform which measures 200 cm x 250 cm has a total mass of 300 kg. The pallet is carried on two ground supports each measuring 20 cm x 200 cm. Using the loading manual for the transport aeroplane, calculate how much mass may be added to, or must be off loaded from, the pallet in order for the load intensity to match the maximum permitted distribution load intensity for lower deck forward cargo compartment.
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32 - In order to provide an adequate 'buffet boundary' at the commencement of the cruise a speed of 1.3 Vs is used. At a mass of 120000 kg this is a CAS of 180 KT. If the mass of the aeroplane is increased to 135000 kg the value of 1.3 Vs will be:
33 - Comparing a forward CG position with an aft one, the forward cg position will cause a
34 - The Take-off Mass of an aeroplane is 66700 kg which includes a traffic load of 14200 kg and a usable fuel load of 10500 kg. If the standard mass for the crew is 545 kg the Dry Operating Mass is:
35 - While making mass and balance calculation for a particular aircraft, the term 'Basic Empty Mass' applies to the sum of airframe, engine(s), fixed ballast plus
36 - A flight benefits from a strong tail wind which was not forecast. On arrival at destination a straight in approach and immediate landing clearance is given. The landing mass will be higher than planned and
37 - The maximum quantity of fuel that can be loaded into an aircraft's tanks is given as 400 US Gallons. If the fuel density (specific gravity) is given as 0.79 the mass of fuel which may be loaded is:
38 - The total mass of an aeroplane is 145000 kg and the centre of gravity limits are between 4.7 m and 6.9 m aft of the datum. The loaded centre of gravity position is 4.4 m aft. How much mass must be transferred from the front to the rear hold in order to bring the out of limit centre of gravity position to the foremost limit:
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39 - The total mass of an aircraft is 9000 kg. The centre of gravity (cg) position is at 2.0 m from the datum line. The aft limit for cg is at 2.1 m from the datum line. What mass of cargo must be shifted from the front cargo hold (at 0.8 m from the datum) to the aft hold (at 3.8 m), to move the cg to the aft limit?
40 - For planning a normal flight in which trip-fuel consumption is the only mass change between take-off and landing, which relationship is correct? LM = Landing Mass. TOM = Take-off Mass. MTOM = Maximum Take-off Mass. ZFM = Zero Fuel Mass. MZFM = Maximum Zero Fuel Mass. DOM = Dry Operating Mass.
41 - A mass of 500 kg is loaded at a station which is located 10 metres behind the present Centre of Gravity and 16 metres behind the datum. (Assume: g = 10 m/s²). The moment for that mass used in the loading manifest is:
42 - The maximum quantity of fuel that can be loaded into an aircraft's tanks is given as 3800 US Gallons. If the fuel density (specific gravity) is given as 0.79 the mass of fuel which may be loaded is:
43 - Which is true of the aircraft basic empty mass?
44 - An aircraft may be weighed
45 - The distance from the datum to the Centre of Gravity of a mass is known as
46 - With respect to a single-engine piston powered aeroplane, determine the zero fuel moment (lbs. In./100) in the following conditions: Basic Empty Mass: 2415 lbs. Arm at Basic Empty Mass: 77,9 In. Cargo Zone A: 350 lbs. Baggage Zone B: 35 lbs. Pilot and front seat passenger: 300 lbs (total)
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47 - An aeroplane's weighing schedule indicates that the empty mass is 57320 kg. The nominal Dry Operating Mass is 60120 kg and the Maximum Zero Fuel Mass is given as 72100 kg. Which of the following is a correct statement in relation to this aeroplane?
48 - The centre of gravity location of the aeroplane is normally computed along the:
49 - The centre of gravity of an aircraft is that point through which the total mass of the aircraft is said to act. The weight acts in a direction
50 - At a given mass the CG position is at 15% MAC. If the leading edge of MAC is at a position 625.6 inches aft of the datum and the MAC is given as 134.5 inches determine the position of the CG in relation to the datum.
51 - Which one of the following is correct?
52 - The datum used for balance calculations is:
53 - An aeroplane is loaded with its centre of gravity towards the rear limit. This will result in:
54 - Given the following data how much cargo must be moved from the forward hold to the aft hold to achieve a CG at 33% MAC?AUM 200000kg. Forward Hold Cargo 6500kg. Aft hold Cargo 4000kg. Distance between holds 10m. Current CG: 30%MAC. MAC 4.6m
55 - An aircraft is weighed prior to entry into service. Who is responsible for deriving the Dry Operational Mass from the weighed mass by the addition of the 'operational items'?
56 - After an engine failure shortly after take-off, an aeroplane returns for landing at a mass above its maximum certificated landing mass. Compared with a normal landing within that limit, which concern is most appropriate?
57 - If nose wheel moves aft during gear retraction, how will this movement affect the location of the centre of gravity (CG) on the aircraft?
58 - Considering only structural limitations, on very short legs with minimum take-off fuel, the Traffic Load is normally limited by:
59 - In mass and balance calculations the 'index' is:
60 - The floor of the main cargo hold is limited to 4000 N/m². It is planned to load a cubic container each side of which measures 0.5 m. Its maximum gross mass must not exceed: (assume g = 10 m/s²)
61 - From the Loading Manual for the transport aeroplane, the maximum load that can be carried in that section of the aft cargo compartment which has a balance arm centroid at:
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62 - In determining the Dry Operating Mass of an aeroplane it is common practice to use 'standard mass' values for crew. These values are
63 - Given that:- Maximum structural take-off mass: 146 000 kg- Maximum structural landing mass: 93 900 kg- Maximum zero fuel mass: 86 300 kg- Trip fuel: 27 000 kg- Taxi fuel: 1 000 kg- Contingency fuel: 1350 kg- Alternate fuel: 2650 kg- Final reserve fuel: 3000 kg. The actual TOM can never be higher than:
64 - An additional baggage container is loaded into the aft cargo compartment but is not entered into the load and trim sheet. The aeroplane will be heavier than expected and calculated take-off safety speeds
65 - In cruise flight, a centre of gravity moving aft will:
66 - The BEM of an aircraft is 30000 kg. Given the following data calculate the DOM: Catering = 300 kg. Crew = 600 kg. Trip Fuel = 1200 kg. Unusable Fuel = 30 kg. Traffic Load = 2500 kg
67 - If an aeroplane is at a higher mass than anticipated, for a given airspeed the angle of attack will
68 - Given the following data calculate the CG as a %MAC when 12000N of last minute cargo is added to a hold 10m from the datum: AUM 460000N. LEMac 14m from datum. MAC 4.6m. Current CG 15.4m from datum
69 - Where is the centre of gravity of the aeroplane in the diagram?
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70 - The operator of an aircraft equipped with 50 seats uses standard masses for passengers and baggage. During the preparation of a scheduled flight a group of passengers present themselves at the check-in desk, it is apparent that even the lightest of these exceeds the value of the declared standard mass.
71 - The standard mass for a child is
72 - Using the annex, retain the corrected dry operating mass of 110100 kg and corrected basic index of 118.6. Fuel remains 72000 kg with a fuel index correction of +8. Use 75 kg per passenger. The actual cargo loads are: compartment1 empty; compartment2 1000 kg; compartment3 3000 kg; compartment4 2000 kg; compartment5 1000 kg. Passengers are: OA20, OB20, OC30. Which listed value is closest to the take-off CG obtained from the graphical sheet, in percent MAC?
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73 - Moment (balance) arms are measured from a specific point to the body station at which the mass is located. That point is known as
74 - In mass and balance calculations which of the following describes the datum?
75 - Using the CAA CAP 696 definition of useful load (take-off mass minus dry operating mass), calculate the useful load for: Basic Empty Mass 4800 kg, Dry Operating Mass 5050 kg, Zero Fuel Mass 6210 kg and Take-off Mass 8010 kg.
76 - Aviation fuel F 34 has a density of 0.78 kg/l. What mass should be entered if 170 l are refuelled?
77 - Longitudinal CG location can be expressed:
78 - A jet aeroplane, with the geometrical characteristics shown in the appendix, has a take-off weight (W) of 460 000 N and a centre of gravity (point G on annex) located at 15.40 m from the zero reference point. At the last moment the station manager has 12 000 N of freight added in the forward compartment at 10 m from the zero reference point. The final location of the centre of gravity, calculated in percentage of mean aerodynamic chord AB (from point A), is equal to:
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79 - A pallet measures 80 cm by 80 cm and distributes its load uniformly over that area. Given a maximum floor loading intensity of 650 kg per square metre, what is the maximum combined mass of the pallet and its package permitted by this floor limit?
80 - The mass of an item multiplied by its distance from the datum is its
81 - The Maximum Zero Fuel Mass is a structural limiting mass. It is made up of the aeroplane Dry Operational mass plus
82 - Allowed traffic load is the difference between:
83 - The take-off mass of an aeroplane is 117 000 kg, comprising a traffic load of 18 000 kg and fuel of 46 000 kg. What is the dry operating mass?
84 - Aeroplane Dry Operating mass 85000 kg Performance limited take-off mass 127000 kg Performance limited landing mass 98500 kg Maximum zero fuel mass 89800 kg. Fuel requirements for flight - Trip fuel 29300 kg. Contingency and final reserve fuel 3600 kg. Alternate fuel 2800 kg. The maximum traffic load that can be carried on this flight is:
85 - For the purpose of completing the Mass and Balance documentation, the Traffic Load is considered to be equal to the Take-off Mass
86 - The zero fuel mass of an aeroplane is always:
87 - The flight preparation of a turbojet aeroplane provides the following data: Take-off runway limitation: 185 000 kg. Landing runway limitation: 180 000 kg. Planned fuel consumption: 11 500 kg. Fuel already loaded on board the aircraft: 20 000 kg. Knowing that: Maximum take-off mass (MTOM): 212 000 kg. Maximum landing mass (MLM): 174 000 kg. Maximum zero fuel mass (MZFM): 164 000 kg. Dry operating mass (DOM): 110 000 kg. The maximum cargo load that the captain may decide to load on board is:
88 - To calculate a allowable take-off mass, the factors to be taken into account include:
89 - The weight of an aircraft, which is in level non accelerated flight, is said to act
90 - Traffic load is the difference between:
91 - For an aeroplane with 20 or more passenger seats on an intercontinental flight, what standard mass may be used for each piece of checked baggage under EASA guidance?
92 - The crew of a transport aeroplane prepares a flight using the following data:- Dry operating mass: 90 000 kg- Block fuel: 30 000 kg- Taxi fuel: 800 kg- Maximum take-off mass: 145 000 kg The traffic load available for this flight is:
93 - The centre of gravity is the
94 - Traffic Load is the:
95 - For a conventional aeroplane, neutral longitudinal static stability corresponds to which centre-of-gravity condition?
96 - The actual 'Zero Fuel Mass' is equal to the:
97 - Under the EASA standard passenger mass tables, which mass is assigned to children aged 2 to under 12, and to infants occupying their own separate passenger seat?
98 - The centre of gravity of an aeroplane is at 25% of the Mean Aerodynamic Chord. This means that the centre of gravity of the aeroplane is situated at 25% of the length of:
99 - The Maximum Certificated Taxi (or Ramp) Mass is that mass to which an aeroplane may be loaded prior to engine start. It is:
100 - Given: Total mass 2900 kg. Centre of gravity (cg) location station: 115. Aft CG limit station: 116. The maximum mass that can be added at station 130 is:
101 - Under EASA guidance, passenger mass may be established from a verbal statement by or on behalf of each passenger, with the prescribed allowances for clothing and hand baggage, when the number of passenger seats available in an aeroplane is:
102 - Calculate the centre of gravity in % MAC (mean aerodynamic chord) with following data: Distance datum - centre of gravity: 12.53 m. Distance datum - leading edge: 9.63 m Length of MAC: 8 m
103 - The maximum zero fuel mass is a mass limitation for the:
104 - The maximum quantity of fuel that can be loaded into an aircraft's tanks is given as 2200 l. If the fuel density (specific gravity) is given as 0.79 the mass of fuel which may be loaded is:
105 - The Dry Operating Mass includes:
106 - The empty mass of an aircraft is recorded in
107 - Which of the following corresponds to zero fuel mass?
108 - The loaded centre of gravity (cg) of an aeroplane is 713 mm aft of datum. The mean aerodynamic chord lies between station 524 mm aft and 1706 mm aft. The cg expressed as% MAC (mean aerodynamic chord) is:
109 - Which of the following is unlikely to have any effect on the position of the centre of gravity on an aeroplane in flight?
110 - An aeroplane, which is scheduled to fly an oceanic sector, is due to depart from a high altitude airport in the tropics at 1400 local time. The airport has an exceptionally long runway. Which of the following is most likely to be the limiting factor(s) in determining the take-off mass?
111 - The reference about which centre of gravity moments are taken is the
112 - Use the take-off CG of 29.9% MAC and mass of 211600 kg stated in the annex as the initial condition. Ten additional passengers, at 75 kg each, are seated in compartment OC, and 750 kg is removed from cargo compartment5. Fuel remains unchanged. Which listed value is closest to the resulting take-off CG, using the graphical sheet?
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113 - A jet transport has the following structural limits:-Maximum Ramp Mass: 63 060 kg-Maximum Take-off Mass: 62 800 kg-Maximum Landing Mass: 54 900 kg-Maximum Zero Fuel Mass: 51 300 kg. The aeroplane's fuel is loaded in accordance with the following requirements:-Taxi fuel: 400 kg. -Trip fuel: 8400 kg. -Contingency & final reserve fuel: 1800 kg. -Alternate fuel: 1100 kg. If the Dry Operating Mass is 34930 kg, determine the maximum traffic load that can be carried on the flight if departure and landing airfields are not performance limited.
114 - A load placed aft of the datum:
115 - On an aeroplane with a seating capacity of more than 30, it is decided to use standard mass values for computing the total mass of passengers. If the flight is not a holiday charter, the mass value which may be used for an adult is
116 - An aeroplane is weighed without operational items or crew on board and the following readings are recorded: nose wheel assembly scale 5330 kg; left main wheel assembly scale 12370 kg; right main wheel assembly scale 12480 kg. If the 'operational items' amount to a mass of 1780 kg with a crew mass of 545 kg, the empty mass, as entered in the weight schedule, is
117 - Conversion of fuel volume to mass
118 - Given: Standard Empty Mass 1764 lbs. Optional Equipment 35 lbs. Pilot + Passenger 300 lbs. Cargo 350 lbs. Ramp Fuel ( Block Fuel) 60 Gal. Trip Fuel 35 Gal. Taxi Fuel 1.7 Gal. Final Reserve Fuel 18 Gal. Fuel density 6 lbs/Gal. Determine the expected landing mass.
119 - Given: Total mass: 7500 kg. Centre of gravity (cg) location station: 80.5. Aft CG limit station: 79.5. How much cargo must be shifted from the aft cargo compartment at station 150 to the forward cargo compartment at station 30 in order to move the cg location to the aft limit?
120 - Using the CAA CAP 696 definition of useful load (take-off mass minus dry operating mass), calculate the useful load of an aeroplane with Take-off Mass 302550 kg and Dry Operating Mass 161450 kg. Fuel at take-off is 121450 kg, including 19450 kg of contingency and alternate fuel.
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