Descriptive method essays and research papers

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A parts manufacturer approval
CHAPTER 1 : INTRODUCTION 1. 1 Introduction Parts Manufacturer Endorsement (PMA) is a mixed design and development approval for modification and substitute parts. It allows licensed sources that are not the initial type qualification holder to create and manufacture replacing parts for commercial plane. The FAA (National Aviation Supervision) approves materials, procedures, appliances and other areas by other means just like a Technical Standards Order (TSO) or..
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