İLK 30 Flashcards
(30 cards)
Given: Dry Operating Mass= 29 800 kg, Maximum Take-Off Mass= 52 400 kg, Maximum Zero-Fuel Mass= 43 100 kg, Maximum Landing Mass= 46 700 kg, Trip fuel= 4 000 kg, Fuel quantity at brakes release= 8 000 kg. The maximum traffic load is:
12 900 kg
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:
16 %
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?
53 000 kg
A location in the aircraft which is identified by a number designating its distance from the datum is known as:
Station.
The mass of an aircraft 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:
33 cm.
The Dry Operating Mass includes:
crew and crew baggage, catering, removable passenger service equipment, potable water and lavatory chemicals.
The centre of gravity of a body is that point
through which the sum of the forces of all masses of the body is considered to act.
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?
A load of 400 kg in a crate with dimensions 1.2 m x 1.2 m x 1.2 m.
Given the following : - Maximum structural take-off mass 48 000 kg - Maximum structural landing mass: 44 000 kg - Maximum zero fuel mass: 36 000 kg -Taxi fuel: 600 kg -Contingency fuel: 900 kg -Alternate fuel: 800 kg -Final reserve fuel: 1 100 kg -Trip fuel: 9 000 kg. The actual TOM can never be higher than:
47 800 kg
The maximum zero-fuel mass:
1- is a regulatory limitation
2- is calculated for a maximum load factor of +3.5 g
3- is based on the maximum permissible bending moment at the wing root
4- is defined on the assumption that fuel is consumed from the outer wings tank first
5- is defined on the assumption that fuel is consumed from the centre wing tank first
The combination of correct statements is:
1, 3, 5
If nose wheel moves aft during gear retraction, how will this movement affect the location of the centre of gravity (cg) on the aircraft?
It will cause the cg to move aft.
At the flight preparation stage, the following parameters in particular are available for determining the mass of the aircraft: 1- Dry operating mass 2- Operating mass Which statement is correct:
The Dry Operating Mass includes fixed equipment needed to carry out a specific flight.
Which of the following corresponds to zero fuel mass?
The take-off mass of an aeroplane minus all usable fuel.
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, Determine the actual take-off mass:
120 300 kg.
On an aeroplane without central fuel tank, the maximum Zero Fuel Mass is related to:
the bending moment at the wing root.
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:
69 600 kg
Where is the centre of gravity of the aeroplane in the diagram?
26.57 cm forward of datum.
The centre of gravity location of the aeroplane is normally computed along the:
longitudinal axis.
In mass and balance calculations which of the following describes the datum?
It is the point on the aircraft designated by the manufacturer from which all centre of gravity measurements and calculations are made.
An aircraft has its centre of gravity located 7 metres from the datum line and it has a weight of 49000 N. The moment about the datum is:
343 000 Nm.
Which one of the following is correct?
Arm = Moment / Force
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:
207 kg.
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?
62.5 kg.
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:
27.5 %.
