bn:01052138n
Noun Named Entity
Categories: Aviation licenses and certifications, Aircraft maintenance
EN
Airworthiness Directive  Airworthiness Directives  AD note
EN
An airworthiness directive 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. Wikipedia
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EN
An airworthiness directive 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. Wikipedia
An aircraft maintenance requirement notice Wikipedia Disambiguation
Authority order for the implementation of safety measures on aircraft Wikidata