�� FREE PREVIEW (First 5 Pages) ✔ First 5 pages free to download · No email required · Full document available after purchase This document details the ARINC Characteristic 538B-1 for hand-held microphones, published in 1983 and revised in 1997. It provides specifications and guidelines for the design and performance of these microphones used in aviation applications. The document is based on material submitted by various participants during the drafting process. It includes a disclaimer regarding intellectual property rights. The first five pages are available for free preview.
