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This procedure points out that the FAA should be contacted prior to any alterations on airplane to ensure that airworthiness of the airplane is not violated.

A本程序指出,在飞机进行任何改装之前,应联系美国联邦航空局,以确保不违反飞机的适航性。

B本程序指出,在飞机进行任何改装之前,美国联邦航空局应与厂家确认其不违反飞机的适航性。

C本程序指出,在飞机进行任何改装之初,应联系美国联邦航空局,以确保飞机的适航性。

正确答案:A (备注:此答案有误)

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