scope:

PURPOSE

This document provides clarification of the guidance material in ED-12C and ED- 109A. In order to accomplish this clarification the following products have been generated:

• Frequently Asked Question (FAQ) - Section 3: The purpose of a FAQ is to provide short and concise responses to questions that are frequently asked by industry concerning the material of ED-12C and/or ED-109A. These questions are frequently posed to certification authorities or others who provide interpretation of ED-12C and/or ED-109A. A FAQ contains no new guidance material. A FAQ is typically no longer than two pages.

• Discussion Paper (DP) - Section 4: The purpose of a Discussion Paper is to provide clarification for certain sections of ED-12C and/or ED-109A in cases where the clarification requires more than a short answer to a question. A DP contains no new guidance material.

• Rationale - Section 5: The purpose of the rationale is to document some items considered when developing ED-12B and then ED-12C and ED-109A. The rationale is only intended to be background information to aid the reader's understanding of ED-12C and ED-109A - especially of those sections and objectives that industry feedback has shown might benefit from additional clarification. The rationale contains no guidance material.