2008-1, Part V - Airworthiness, Standard 593 - Airworthiness Directives. March 2002 [9 December 2012]. (原始内容存档于18 May 2013). Airworthiness Manual, Doc 9760
Aviation Administration. Title 14: Aeronautics and Space PART 23 — Airworthiness Standards: Normal, Utility, Acrobatic, and Commuter Category Airplanes