题目内容
An ______ in any one of the vital elements affects the purpose of the whole weight and balance system.
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The final loading calculations will be ______ if either the aircraft has been improperly weighed or the records contain an error.
Improper ______ cuts down the efficiency of an aircraft from the standpoint of altitude, maneuverability, rate of climb, and speed.
Improper loading may be the cause of ______ to complete the flight, or failure to start the flight.
Loss of life and destruction of valuable equipment may result because of ______ stresses placed upon the structure of an improperly loaded aircraft.
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