Vayudoot Aviation

1.
The total mass of an aeroplane 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?

196 kg

900 kg

300 kg

30.0 kg

2.
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

41455 kg

42545 kg

42000 kg

56200 kg

3.
The mass of an aeroplane is 1950 kg. If 450 kg is added to a cargo hold 1.75 metres from the loaded centre of gravity (cg). The loaded cg will move

30 cm

33 cm

40 cm

34 cm

4.
If 390 Ibs of cargo are moved from compartment B (aft) to compartment A (forward), what is the station number of the new centre of gravity (cg).Given : Gross mass 116.500 IbsPresent cg station 435.0Compartment A station 285.5Compartment B station 792.5

433.3

436.7

506.3

463.7

5.
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 kgThe traffic load available for this flight is

55 800 kg

55 000 kg

25 000 kg

25 800 kg

6.
The Dry Operating Mass of an aircraft is 2 000 kg.The maximum take-off mass, landing and zero fuel mass are identical at 3500 kg. The block fuel mass is 550kg, and the taxi fuel mass is 50 kg. The available mass of payload is

1 000 kg

1 500 kg

950 kg

1 450 kg

7.
In calculations with respect to the position of the centre of gravity a reference is made to a datum. The datum is

a reference plane which is chosen by the aeroplane manufacturer. Its position is given in the aeroplane Flight or Loading Manual.

an arbitrary reference chosen by the pilot which can be located anywhere on the aeroplane

calculated from the data derived from the weighing procedure carried out on the aeroplane after any major modification

calculated from the loading manifest

8.
The empty mass of an aeroplane, as given in the weighing schedule, is 61300 kg. The operational items (including crew) is given as a mass of 2300 kg. If the takeoff mass is 132000 kg (including a useable fuel quantity of 43800 kg) the useful load is

68400 kg

29600 kg

70700 kg

26900 kg.

9.
At maximum certificated take-off mass an aeroplane departs from an airfield which is not limiting for either take-off or landing masses. During initial climb the number one engine suffers a contained disintegration. An emergency is declared and the aeroplane returns to departure airfield for an immediate landing. The most likely result of this action will be

a landing further along the runway than normal

a landing short resultant from the increased angle of approach due to the very high aeroplane mass

a high threshold speed and possible undercarriage or other structural failure.

a high threshold speed and a shorter stop distance

10.
Which of the following is unlikely to have any effect on the position of the centre of gravity on an aeroplane in flight ?

Normal consumption of fuel for a swept wing aeroplane

Lowering the landing gear

Changing the tailplane (horizontal stabiliser) incidence angle

Movement of cabin attendants going about their normal duties

11.
During take-off you notice that, for a given elevator input, the aeroplane rotates much more rapidly than expected. This is an indication that

the centre of gravity is too far forward

the centre of pressure is aft of the centre of gravity

the centre of gravity may be towards the aft limit.

the aeroplane is overloaded

12.
An aeroplane is weighed and the following recordings are made: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

32505 kg

31960 kg

28400 kg

30180 kg

13.
An aeroplane has its centre of gravity located 7 metres from the datum line and it has a mass of 49000 N. The moment about the datum is

343 000 Nm.

7000 Nm.

1.43 Nm.

34 300 Nm.

14.
A revenue flight is to be made by a jet transport. The following are the aeroplane's structural limits:-Maximum Ramp Mass: 69 900 kg-Maximum Take Off Mass: 69 300 kg-Maximum Landing Mass: 58 900 kg-Maximum Zero Fuel Mass: 52 740 kgThe performance limited take off mass is 67 450kg and the performance limited landing mass is 55 470 kg.Dry Operating Mass: 34 900 kgTrip Fuel: 6 200 kgTaxi Fuel: 250 kgContingency & final reserve fuel: 1 300 kgAlternate Fuel: 1 100 kg The maximum traffic load that can be carried is

13 950 kg

25 800 kg

17 840 kg

18 170 kg

15.
After weighing a helicopter the following values are noted:forward point: 350 kgaft right point: 995 kgaft left point: 1 205 kgWhat is the longitudinal CG-position in relation to the datum situated 4 m in front of the rotor axis, knowing that the forward point is at 2.5 m forward of the rotor axis and the aft points are 1 m aft of the rotor axis?

4.21 m

4.15 m

4.52 m

4.09 m

16.
The maximum certificated taxi (or ramp) mass is that mass to which an aeroplane may be loaded prior to engine start. It is

a value which varies with airfield temperature and altitude. Corrections are listed in the Flight Manual

a fixed value which is listed in the Flight Manual

a value which varies only with airfield altitude. Standard corrections are listed in the Flight Manual

a value which is only affected by the outside air temperature. Corrections are calculated from data given in the Flight Manual

17.
The actual 'Zero Fuel Mass' is equal to the

Actual Landing Mass plus trip fuel

Operating Mass plus all the traffic load.

Basic Empty Mass plus the fuel loaded

Dry Operating Mass plus the traffic load.

18.
An aeroplane is to depart from an airfield where the performance limited take-off mass is 89200 kg. Certificated maximum masses are as follows:Ramp (taxi) mass 89930 kgMaximum Take-off mass 89430 kgMaximumLanding mass 71520 kgActual Zero fuel mass 62050 kgFuel on board at ramp:Taxi fuel 600 kgTrip fuel 17830 kgContingency, final reserve and alternate 9030 kgIf the Dry Operating Mass is 40970 kg the traffic load that can be carried on this flight is

21080 kg

20870 kg

21500 kg

21220 kg

19.
The datum is a reference from which all moment (balance) arms are measured. Its precise position is given in the control and loading manual and it is located

at or near the focal point of the aeroplane axis system

at a convenient point which may not physically be on the aeroplane

at or near the forward limit of the centre of gravity

at or near the natural balance point of the empty aeroplane.

20.
Traffic load is the

Take-off Mass minus Zero Fuel Mass.

Dry Operating Mass minus the disposable load

Dry Operating Mass minus the variable load.

Zero Fuel Mass minus Dry Operating Mass.

21.
In cruise, an extreme aft longitudinal center of gravity

moves away the cyclic stick from its forward stop and increases the stress in the rotor head

brings the cyclic stick closer to its forward stop and decreases the stress in the rotor head

moves away the cyclic stick from its forward stop and decreases the stresses in the head rotors

brings the cyclic stick closer to its forward stop and increases the stress in the rotor head

22.
Given:Dry operating mass = 38 000 kgmaximum structural take-off mass = 72 000 kgmaximum landing mass = 65 000 kgmaximum zero fuel mass = 61 000 kgFuel burn = 8 000 kgTake-off Fuel = 10 300 kgThe maximum allowed take-off mass and payload are respectively

73 000 kg and 27 000 kg

71 300 kg and 25 300 kg

71 300 kg and 23 000 kg

73 000 kg and 24 700 kg

23.
Given:Maximum structural take-off mass= 146 900 kgMaximum structural landing mass= 93 800 kgMaximum zero fuel mass= 86 400 kgTrip fuel= 27 500 kgBlock fuel= 35 500 kgEngine starting and taxi fuel = 1 000 kgThe maximum take-off mass is equal to

121 300 kg

120 300 kg

120 900 kg

113 900 kg

24.
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 kgDetermine the actual take-off mass

69 600 kg

74 000 kg

72 000 kg

70 400 kg

25.
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 ?

altitude and temperature of the departure airfield

maximum zero fuel mass

en route obstacle clearance requirements

maximum certificated take - off mass

26.
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

10%

60%

41%

16%

27.
On an aeroplane without central fuel tank, the maximum Zero Fuel Mass is related to

Wing loaded trip fuel

Maximum Structural Take-Off Mass

Variable equipment for the flight.

The bending moment at the wing root

28.
The following data applies to an aeroplane which is about to take off: Certified maximum take-off mass 141500 kg Performance limited take-off mass 137300 kg Dry Operating Mass 58400 kg Crew and crew hand baggage mass 640 kg Crew baggage in hold 110 kgFuel on board 60700 kgFrom this data calculate the mass of the useful load

18200 kg

17450 kg

78900 kg

78150 kg

29.
For the purpose of completing the Mass and Balance documentation, the Dry Operating Mass is defined as

The total mass of the aeroplane ready for a specific type of operation excluding all traffic load.

The total mass of the aeroplane ready for a specific type of operation excluding all usable fuel.

The total mass of the aeroplane ready for a specific type of operation excluding all usable fuel and traffic load

The total mass of the aeroplane ready for a specific type of operation excluding crew and crew baggage.

30.
The Dry Operating Mass of a helicopter is the total mass of a helicopter

including the crew, the usable fuel and the specific equipments for the mission and payload

ready for a specific operation including the crew and traffic load, not including the usable fuel

excluding the crew but including specific equipments for the mission and not including the usable fuel

including the crew,the fuel and the specific equipments for the mission but excluding payload

31.
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 kgThe aeroplane's fuel is loaded accordance with the following requirements:-Taxi fuel: 400 kg-Trip fuel: 8400 kg-Contingency & final reserve fuel: 1800 kg-Alternate fuel: 1100 kgIf 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

17 070 kg

16 370 kg

16 570 kg

16 430 kg

32.
During a violent avoidance manoeuvre, a light twin aircraft, certified to FAR 23 requirements was subjected to an instantaneous load factor of 4.2. The Flight Manual specifies that the aircraft is certified in the normal category for a load factor of -1.9 to +3.8.Considering the certification requirements and taking into account that the manufacturer of the twin did not include, during its conception, a supplementary margin in the flight envelope, it might be possible to observe,

no distortion, permanent or temporary of the structure

a elastic deformation whilst the load was applied, but no permanent distortion

rupture of one or more structural components

a permanent deformation of the structure

33.
Which of the following alternatives corresponds to zero fuel mass?

Take-off mass minus fuel to destination and alternate

Operating mass plus passengers and cargo.

The mass of an aeroplane with no usable fuel.

Operating mass plus load of passengers and cargo.

34.
In a modern airplane equipped with an ECAM (Electronic centralized aircraft monitor), when a failure occurs in a circuit, the centralized flight management system:1- releases an aural warning2- lights up the appropriate push-buttons on the overhead panel3- displays the relevant circuit on the system display4- processes the failure automaticallyThe combination regrouping all the correct statements is

1, 3, 4.

1, 2, 3.

1, 2.

3, 4.

35.
'Standard Mass' as used in the computation of passenger load establish the mass of a child as

35 kg for children over 2 years occupying a seat and 10 kg for infants (less than 2 years) not occupying a seat

35 kg irrespective of age provided they occupy a seat.

35 kg only if they are over 2 years old and occupy a seat.

35 kg for children over 2 years occupying a seat and 10 kg for infants (less than 2 years) occupying a seat

36.
The centre of gravity location of the aeroplane is normally computed along the

longitudinal axis

horizontal axis

vertical axis

lateral axis

37.
Which of the following statements is correct?

The Maximum Zero Fuel Mass ensures that the centre of gravity remains within limits after the uplift of fuel.

The Maximum Take-off Mass is equal to the maximum mass when leaving the ramp.

The Maximum Landing Mass of an aeroplane is restricted by structural limitations, performance limitations and the strength of the runway.

The Basic Empty Mass is equal to the mass of the aeroplane excluding traffic load and useable fuel but including the crew.

38.
For the purpose of completing the Mass and Balance documentation, the Traffic Load is considered to be equal to the Take-off Mass

plus the Operating Mass

less the Operating Mass

plus the Trip Fuel Mass

less the Trip Fuel Mass

39.
Prior to departure an aeroplane is loaded with 16500 litres of fuel at a fuel density of 780 kg/m³. This is entered into the load sheet as 16500 kg and calculations are carried out accordingly. As a result of this error, the aeroplane is

lighter than anticipated and the calculated safety speeds will be too high

heavier than anticipated and the calculated safety speeds will be too high

lighter than anticipated and the calculated safety speeds will be too low

heavier than anticipated and the calculated safety speeds will be too low

40.
The centre of gravity is the

neutral point along the longitudinal axis, in relation to a datum line

focus along the longitudinal axis, in relation to a datum line

centre of thrust along the longitudinal axis, in relation to a datum line

point where all the aircraft mass is considered to be concentrated

41.
When preparing to carry out the weighing procedure on an aeroplane, which of the following is not required?

drain all engine tank oil

drain all chemical toilet fluid tanks

drain all useable fuel

removable passenger services equipment to be off-loaded

42.
Given:Total mass: 7500 kgCentre of gravity (cg) location station: 80.5 Aft cg limit station: 79.5How 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?

73.5 kg

62.5 kg

65.8 kg

68.9 kg

43.
The empty mass of an aeroplane is given as 44800 kg. Operational items (including crew standard mass of 1060 kg) are 2300 kg. If the maximum zero fuel mass is given as 65500 kg, the maximum traffic load which could be carried is

19460 kg

20700 kg

23000 kg

18400 kg

44.
The maximum intensity floor loading for an aeroplane is given in the Flight Manual as 650 kg per square metre. What is the maximum mass of a package which can be safely supported on a pallet with dimensions of 80 cm by 80 cm?

416.0 kg

1015.6 kg

41.6 kg

101.6 kg

45.
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 meter.How far is the centre of gravity in front of the main wheels?

41.6 cm

25 cm

40 cm

4 meter.

46.
In mass and balance calculations the ""index"" is

a location in the aeroplane identified by a number.

the moment divided by a constant

an imaginary vertical plane or line from which all measurements are taken.

the range of moments the centre of gravity (cg) can have without making the aeroplane unsafe to fly.

47.
On an aeroplane with 20 or more seats engaged on an inter-continental flight, the 'standard mass' which may be used for passenger baggage is

11 kg per passenger

14 kg per passenger

13 kg per passenger

15 kg per passenger

48.
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 to the datum

20.18 inches aft of datum

645.78 inches aft of datum

228.34 inches aft of datum

605.43 inches aft of datum

49.
The Zero Fuel Mass and the Dry Operating Mass

differ by the sum of the mass of usable fuel plus traffic load mass

are the same value

differ by the value of the traffic load mass.

differ by the mass of usable fuel

50.
Given the following information, calculate the loaded centre of gravity (cg).______________________________________________________________ _____STATION MASS (kg) ARM (cm) MOMENT (kgcm)____________________________________________________________ _______Basic Empty Condition 12045 +30 +361350Crew 145 -160 -23200Freight 1 5455 +200 +1091000Freight 2 410 -40 -16400Fuel 6045 -8 -48360Oil 124 +40 +4960

60.16 cm aft datum

56.53 cm aft datum.

56.35 cm aft datum

53.35 cm aft datum

Question Bank

Questions for PAYLOAD AND CG (1488-1678)

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

The mass of an aeroplane is 1950 kg. If 450 kg is added to a cargo hold 1.75 metres from the loaded centre of gravity (cg). The loaded cg will move

If 390 Ibs of cargo are moved from compartment B (aft) to compartment A (forward), what is the station number of the new centre of gravity (cg).Given : Gross mass 116.500 IbsPresent cg station 435.0Compartment A station 285.5Compartment B station 792.5

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 kgThe traffic load available for this flight is

The Dry Operating Mass of an aircraft is 2 000 kg.The maximum take-off mass, landing and zero fuel mass are identical at 3500 kg. The block fuel mass is 550kg, and the taxi fuel mass is 50 kg. The available mass of payload is

In calculations with respect to the position of the centre of gravity a reference is made to a datum. The datum is

The empty mass of an aeroplane, as given in the weighing schedule, is 61300 kg. The operational items (including crew) is given as a mass of 2300 kg. If the takeoff mass is 132000 kg (including a useable fuel quantity of 43800 kg) the useful load is

Which of the following is unlikely to have any effect on the position of the centre of gravity on an aeroplane in flight ?

During take-off you notice that, for a given elevator input, the aeroplane rotates much more rapidly than expected. This is an indication that

An aeroplane has its centre of gravity located 7 metres from the datum line and it has a mass of 49000 N. The moment about the datum is

The maximum certificated taxi (or ramp) mass is that mass to which an aeroplane may be loaded prior to engine start. It is

The actual 'Zero Fuel Mass' is equal to the

The datum is a reference from which all moment (balance) arms are measured. Its precise position is given in the control and loading manual and it is located

Traffic load is the

In cruise, an extreme aft longitudinal center of gravity

Given:Dry operating mass = 38 000 kgmaximum structural take-off mass = 72 000 kgmaximum landing mass = 65 000 kgmaximum zero fuel mass = 61 000 kgFuel burn = 8 000 kgTake-off Fuel = 10 300 kgThe maximum allowed take-off mass and payload are respectively

Given:Maximum structural take-off mass= 146 900 kgMaximum structural landing mass= 93 800 kgMaximum zero fuel mass= 86 400 kgTrip fuel= 27 500 kgBlock fuel= 35 500 kgEngine starting and taxi fuel = 1 000 kgThe maximum take-off mass is equal to

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 kgDetermine the actual take-off mass

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 ?

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

On an aeroplane without central fuel tank, the maximum Zero Fuel Mass is related to

For the purpose of completing the Mass and Balance documentation, the Dry Operating Mass is defined as

The Dry Operating Mass of a helicopter is the total mass of a helicopter

Which of the following alternatives corresponds to zero fuel mass?

'Standard Mass' as used in the computation of passenger load establish the mass of a child as

The centre of gravity location of the aeroplane is normally computed along the

Which of the following statements is correct?

For the purpose of completing the Mass and Balance documentation, the Traffic Load is considered to be equal to the Take-off Mass

Prior to departure an aeroplane is loaded with 16500 litres of fuel at a fuel density of 780 kg/m³. This is entered into the load sheet as 16500 kg and calculations are carried out accordingly. As a result of this error, the aeroplane is

The centre of gravity is the

When preparing to carry out the weighing procedure on an aeroplane, which of the following is not required?

Given:Total mass: 7500 kgCentre of gravity (cg) location station: 80.5 Aft cg limit station: 79.5How 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?

The empty mass of an aeroplane is given as 44800 kg. Operational items (including crew standard mass of 1060 kg) are 2300 kg. If the maximum zero fuel mass is given as 65500 kg, the maximum traffic load which could be carried is

The maximum intensity floor loading for an aeroplane is given in the Flight Manual as 650 kg per square metre. What is the maximum mass of a package which can be safely supported on a pallet with dimensions of 80 cm by 80 cm?

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 meter.How far is the centre of gravity in front of the main wheels?

In mass and balance calculations the ""index"" is

On an aeroplane with 20 or more seats engaged on an inter-continental flight, the 'standard mass' which may be used for passenger baggage is

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 to the datum

The Zero Fuel Mass and the Dry Operating Mass