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Airworthiness Directive information


An Airworthiness Directive (commonly abbreviated as AD) is a notification to owners and operators of certified aircraft that a known safety deficiency with a particular model of aircraft, engine, avionics or other system exists and must be corrected.[1][2]

If a certified aircraft has outstanding airworthiness directives that have not been complied with, the aircraft is not considered airworthy.[1][2] Thus, it is mandatory for an aircraft operator to comply with an AD.

  1. ^ a b Transport Canada (October 2008). "Aeronautical Information Manual, LRA – 2.0 Aircraft Airworthiness, Airworthiness Directives". Archived from the original on 17 April 2011. Retrieved 3 November 2008.
  2. ^ a b Transport Canada (January 2008). "Canadian Aviation Regulation 605.84 Aircraft Maintenance – General". Archived from the original on 7 December 2008. Retrieved 3 November 2008.

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