Utilizing an airplane as intended by the manufacturer, combined with sound inspection and maintenance practices, forms the basis for assuring the airplane remains airworthy and safe to operate.
答案解析
解析：
让我们通过一个生动的例子来帮助你更好地理解这个知识点。想象一下你有一辆汽车，如果你按照制造商的指导正确使用汽车，并且定期进行检查和维护，那么你的汽车就会保持良好的状态，安全地运行。同样地，飞机也需要被正确使用和定期检查和维护，才能保证飞机的适航性和安全性。所以，选项A正确地表达了这个概念。
相关知识点：
按要求用机并维保确保适航
相关题目
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