Acronyms

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These terms are used throughout this guide and in the Safety Publications Tool application:


Acronym

Definition

AD

Airworthiness Directive, an AD which becomes effective 14 days after the date of issue

 E AD

Emergency Airworthiness Directive, an AD which becomes effective two days after the date of issue

 S IB

Safety Information Bulletin

 P AD

Proposed Airworthiness Directive

 C ZIB

Conflict Zone Information Bulletin

TC

Type Certificate

 

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