關於「FAA AD」標籤，搜尋引擎有相關的訊息討論：

Airworthiness Directives | Federal Aviation Administrationwww.faa.gov › ... › Advisory Circulars (ACs)Types of Airworthiness Directives (ADs)www.faa.gov › ... › Continued Operational SafetyAirworthiness Directives (ADs) - Welcome To Civil Aviation ...www.caa.gov.tw › articleAir