Aircraft alternation, which includes major or minor alternations, is the modification of an aircraft, its structure, or its components which changes the physical or flight characteristics of the aircraft. ( )
A.Aircraft alternation defines as the modification of structure or components of the aircraft. B.Aircraft hangar maintenance contributes to the aircraft alternation. C.Aircraft alternation includes major or minor alternation, which is the modification of an aircraft' s structure or component without changing to the flight characteristics.正确答案A
