JAA ATPL MASS AND BALANCE PDF

Mass and Balance covers the factors governing the loading of an aeroplane to ensure that the longitudinal centre of gravity and mass are within the structural. Questions-Mass-and-balance · View. Mass and Balance, Oxford · View. Mass and Balance ATPL · View. Operational Procedures · View. Buy JAA ATPL Mass & Balance – JA and other aviation books at yout pilot shop headquarters, Pilots HQ.

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031 Aircraft Mass & balance (JAA ATPL theory)

To avoid getting lost in a mass of figures and definitions, remember that the All Up Weight of an aircraft at any stage of flight consists of three elements: When a different datum is used it shall be adequately defined, its precise relationship to the datum in the Certificate of Airworthiness or Flight Manual shall be given, and any lever arms and moments which appear in any part of the Schedule shall be consistent with the datum so declared.

Standard weights are assumed for this exercise. The change of moment is minus since load is being moved forward. Page 20 details all the stations and their balance arms.

Jeppesen. JAA ATPL Training Mass and Balance

The total weight of an aeroplane is the weight of the aeroplane and everyone and everything carried on it or in it. Right Main Wheel lb. The outboard tanks will be used initially until they contain only 20 litres each, the inboard tanks will then be used for the remainder of the flight.

When travelling in aatpl direction of the arrows multiply, when travelling in the opposite direction divide. Conversion between Weight and Volume 6. If such is the case use the following method. Special Standard Masses for the Traffic Load 3.

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The aircraft commander must endorse the load sheet of the previous flight with signature, date maas place of departure of the next intended flight and intended destination. You should of course appreciate that, although the C of A maximum take-off weight has not been exceeded, the actual take-off weight may in fact be limited jqa aircraft performance considerations such as the runway length available, obstacles in the take-off flight path jas so on ; by the requirement to clear obstacles en-route to the destination of any nominated alternate aerodrome; or by the landing weight with aircraft where the maximum landing weight is lower than the maximum take-off weight.

Next determine the maximum performance limited take-off weight and enter it at box The fuel on board at startup is 60 US gallons of which 30 US gallons will be used for jaq flight. The weights and volumes obtained for the purpose of centre of gravity calculations are frequently given as a mixture of metric and imperial measures. This is the dry operating weight plus the traffic load.

SOLUTION The question doesn’t indicate that we’ve lost any passengers en-route, and therefore the only change is going ja be the weight of fuel, and the change in the position of the CG which has resulted from the reduction in fuel load. The maximum weight at which semiaerobatic manoeuvres may be conducted may also be limited. Maximum Landing Weight at B 97, kg.

Jeppesen. JAA ATPL Training Mass and Balance [PDF] – Все для студента

Onboard Mass and Balance Systems 9. For example, if a 20 kg weight is placed on the seesaw at a distance of 80 cm from the fulcrum the moment 20 kg x 80 cm is equal to cm kg or 16 m kg as shown at Figure Figure shows only three of the infinite combinations possible.

To answer this type of question use the layout shown in the following examples and approach the problem in a logical manner remembering the total weight at any time comprises the APS weight, the fuel and the traffic load. Maximum Take-Off Mass nalance, kgs.

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Note that on the form shown at Figure that neither bzlance weight nor the arm appropriate to the aircraft itself is given. When a detailed description of the weight and arms of an aeroplane and all of its contents is ans, the method used to determine the position of the laden aircraft CG is to complete a trim sheet. Standard Empty Weight The weight of the aircraft excluding usable fuel, crew and traffic load but including fixed ballast, engine oil, engine coolants if balznce and all hydraulic fluid and all other fluids required for normal operation and aircraft systems, except potable water, lavatory pre-charge water and fluids intended for injection into the engine demineralised water or water-methanol used for thrust augmentation.

In some problems the oil is measured in quarts. For aircraft the Maximum Total Weight Authorised of which does not exceed kg, either a Weight and Centre-of-Gravity Schedule, which complies with 2 and 3.

Aircraft Mass & balance (JAA ATPL theory).

Next calculate the moments by multiplying the weights by their associated arms. What precautions should be taken when weighing an aircraft? It is this value which is used to set the trim on the variable incidence tail plane for take-off.

The Variable Load may be detailed for as many roles as the operator wishes, but for every role the weights and moments shall be given.