Discussion
Consider the following statements about ageing aircraft:
1. Widespread fatigue damage becomes more likely with accumulated cycles.
2. Corrosion and fatigue interact to shorten life.
3. Calendar age alone determines the structural condition.
Which of the statements given above is or are correct?
Answer: C
The first two are correct. The third ignores utilisation: an aircraft flying six short sectors a day accumulates cycles six times faster than one flying a single long sector, so cycles rather than years govern much of the damage.
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